CCM Volvo FH4

—————————————————————————————————————-

P064511

Low voltage present when not expected

Circuit Short To Ground

A/C Clutch Relay Control Circuit cannot be activated

Wiring harness, CCM pin A12 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & A/C Clutch Relay

A/C Clutch Relay Control Circuit

—————————————————————————————————————-

P064515

Short to battery or open circuit conditions detected

Circuit Short To Battery or Open

A/C Clutch Relay Control Circuit cannot be activated/deactivated

Wiring harness, CCM pin A12 is short to battery OR open circuit

Diagnostic Service 14. No additional action is needed.

Check wiring on CCM & A/C Clutch Relay

A/C Clutch Relay Control Circuit

—————————————————————————————————————-

B150512

Inside Temperature Sensor Reference Voltage > 4.9V

Circuit Short To Battery

Inside Temperature Sensor Reference Voltage reporting unexpected values

Inside Temperature Sensor Reference Voltage, CCM pin B01 short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Temperatur Sensor (ITOS) properly attached and not damaged. DTC may also be set when Vbat injected at ITOS supply pin B10 when ITOS is attached.

Inside Temperature Sensor Reference Voltage

—————————————————————————————————————-

B150514

Inside Temperature Sensor reference Voltage < 0.97V

Circuit Short To Ground or Open

Inside Temperature Sensor Reference Voltage reporting unexpected values

-CCM pin B01 short to ground

-CCM pin B01 open circuit

-Connector damaged

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Temperatur Sensor (ITOS) properly attached and not damaged

Inside Temperature Sensor Reference Voltage

—————————————————————————————————————-

B150612

Inside Temperature Sensor Surface Temperature Sensor voltage > 4.9V

Circuit Short To Battery

Inside Temperature Sensor Surface Temperature Sensor reporting unexpected values

Inside Temperature Sensor Surface Temperature Sensor Voltage, CCM pin B02 short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Temperatur Sensor (ITOS) properly attached and not damaged

Inside Temperature Sensor Surface Temperature Sensor

—————————————————————————————————————-

B150614

Inside Temperature Sensor Surface Temperature Sensor Voltage < 0.97V

Circuit Short To Ground or Open

Inside Temperature Sensor Surface Temperature Sensor reporting unexpected values

-CCM pin B02 short to ground

-CCM pin B02 open circuit

-Connector damaged

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Temperatur Sensor (ITOS) properly attached and not damaged

Inside Temperature Sensor Surface Temperature Sensor

—————————————————————————————————————-

B150714

Inside Temperature Sensor Sun Sensor voltage < 0.97V

Circuit Short To Ground or Open

Inside Temperature Sensor Sun Sensor reporting unexpected values

-CCM pin

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Temperatur Sensor (ITOS) properly attached and not damaged

Inside Temperature Sensor Sun Sensor

—————————————————————————————————————-

B150811

Inside Temperature Sensor supply voltage < 4.0V

Circuit Short To Ground

Inside Temperature Sensor Sun Sensor reporting unexpected values

CCM pin B10 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Temperatur Sensor (ITOS) properly attached and not damaged

Inside Temperature Sensor 5V supply

—————————————————————————————————————-

B150812

Inside Temperature Sensor supply voltage > 6.0 V

Circuit Short To Battery

Inside Temperature Sensor general reduced functionality

CCM pin B01 short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Temperatur Sensor (ITOS) properly attached and not damaged

Inside Temperature Sensor 5V supply

—————————————————————————————————————-

U114149

Climate control moduel hardware failure detected

Internal Electronic Failure

No Communication on LinBus. No communication between CCM and Slave nodes connected on LinBus

Climate control module damaged

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace CCM HW

LIN10 Communication Net

—————————————————————————————————————-

U114188

Bus off state detected

Bus off

No communication LIN10 General reduced/no system functionality on:

– Parking Heater

– Climate Control Panel

– Defog Sensor

– Short to Ground on CCM pin A14 OR Connector D, pin X:4 OR X:11 OR X:17

– Connecotor damaged

– Transciever damaged

Diagnostic Service 14. No additional action is needed.

Check Defog, Parking Heater & Climate Control Panel (CCP) are connected to CCM

LIN10 Communication Net

—————————————————————————————————————-

B150D16

Climate control panel Supply voltage

< 7V

Circuit Voltage Below Threshold

Climate Control Panel general reduced/no

functionality

-Drained battery

-Power supply system failure

Diagnostic Service 14. No additional action is needed.

Check Climate Control Panel power supply

Climate Control Panel

—————————————————————————————————————-

B150D17

Climate control panel supply voltage

> 20V

Circuit Voltage Above Threshold

Climate Control Panel general reduced/none

functionality

Power supply system failure

Diagnostic Service 14. No additional action is needed.

1. Check battery

2. Check power supply system

Climate Control Panel

—————————————————————————————————————-

B150D44

Climate control panel internal memory volatile

error

Data Memory Failure

General reduced functionality on Climate Control Panel

Climate control panel corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Climate Control Panel HW

Climate Control Panel

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B150D45

Climate control panel internal ROM

is corrupted

Program Memory Failure

General reduced functionality on Climate

Control Panel

Climate control panel corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Climate Control Panel HW

Climate Control Panel

—————————————————————————————————————-

B150D46

Climate control panel EEPROM memory corrupted.

Calibration / Parameter Memory Failure

General reduced functionality on Climate Control Panel

Climate control panel corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2.Replace Climate Control Panel HW

Climate Control Panel

—————————————————————————————————————-

B150D49

Climate control panel hardware fault

Internal Electronic Failure

General reduced

functionality on Climate Control Panel

Climate control panel corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Climate Control Panel (CCP) HW

Climate Control Panel

—————————————————————————————————————-

B150D86

Climate control panel checksum or communication error detected

Signal Invalid

No Message received from Climate Control Panel.

No Other Signal DTC can be reported.

-Communication error beteween Climate control panel and Climate control unit

-Climate control panel

corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Climate Control Panel HW

Climate Control Panel

—————————————————————————————————————-

B150D87

Climate control panel malfunction

Missing Message

No Message received from Climate Control Panel

No other Signal DTC can be reported

-Climate control panel is not answering for 6 frames

-Climate control panel is not connected to LinBus or power, Climate control unit pin A14/A05

-Climate control panel defective

-SC to GND A14

Diagnostic Service 14. No additional action is needed.

Check Climate Control Panel (CCP) is properly attached

Climate Control Panel

—————————————————————————————————————-

B150D94

Unexpected operation by Climate control panel detected

Unexpected Operation

General reduced functionality on Climate Control Panel

-Unexpected reset due to defective climate control panel

-Watchdog failure

-Climate control panel damaged

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Climate Control Panel (CCP) HW

Climate Control Panel

—————————————————————————————————————-

B150E49

Wrong signal value to Climate control unit

Internal Electronic Failure

General reduced functionality of Defog Sensor

Defog sensor corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Climate Defog Sensor HW

Defog Sensor

—————————————————————————————————————-

B150E86

CCM detects signal error from Defog Sensor

Signal Invalid

No Message is received from Defog Sensor

No Other Signal DTC can be reported

-Checksum error

-Communication error between Climate control unit and Defog sensor

-Defog sensor corrupted

Diagnostic Service 14. No additional action is needed.

Check Defog Sensor wiring not damaged & properly attached

Defog Sensor

—————————————————————————————————————-

B150E87

No response from Defog Sensor

Missing Message

No Message is received from Defog Sensor

No other Signal DTC can be reported

-Defog sensor is not answering for 6 frames

-Defog sensor is not connected to LinBus or power supply

-Defog sensor is not connected to climate control module pin A14/A05

-SC to GND A14

Diagnostic Service 14. No additional action is needed.

Check Defog Sensor is properly attached

Defog Sensor

—————————————————————————————————————-

B150E96

Internal Defog

sensor failure detected

Component Internal Failure

General reduced

functionality of Defog Sensor

Defog sensor corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Defog Sensor HW

Defog Sensor

—————————————————————————————————————-

U003788

Bus off state

Bus off

CAN bus communication is disdurbed/interrupted: General reduced functionality of CCM

-Climate control unit pin A03/A02 short to ground

-Open circuit on Climate control unit pin A03/A02

-Connecotor damaged

-Transciever damaged

Diagnostic Service 14. No additional action is needed.

1. Check CAN-buss wires and connectors

2. Check CCM wiring & Connectors

CAN Communication Cab Net

—————————————————————————————————————-

U300041

Parameters checksum not valid.

General Checksum Failure

General reduced functionality of the ECU

ECU configuration parameters corrupted.

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace CCM HW

Electronic control unit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

U300044

ECU volatile memory

error

Data Memory Failure

General reduced

functionality of the ECU

ECU corrupted

Diagnostic Service 14. No additional

action is needed.

1. Restart SW

2. Replace CCM HW

Electronic control unit

—————————————————————————————————————-

U300045

ECU ROM is

corrupted

Program Memory Failure

General reduced functionality of the ECU

ECU corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace CCM HW

Electronic control unit

—————————————————————————————————————-

U300046

ECU EEPROM is

corrupted.

Calibration / Parameter Memory Failure

General reduced functionality of the ECU

ECU corrupted.

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace CCM HW

Electronic control unit

—————————————————————————————————————-

U300049

ECU internal

hardware fault – CPU clock failure

Internal Electronic Failure

CCM not operational

ECU corrupted.

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace CCM HW

Electronic control unit

—————————————————————————————————————-

U300054

stepper motor calibration completed

unsuccessfully

Missing Calibration

Ventilated areas and heating/cooling might be incorrect

Started calibration not finished OR calibration not started when supposed to.

Diagnostic Service 14. No additional action is needed.

1. Restart calibration of HVAC stepper motors

2. Check stepper motors not malfunctioning

Electronic control unit

—————————————————————————————————————-

U300316

Supply voltage < 16V

Circuit Voltage Below Threshold

General reduced functionality of ECU

-Drained battery

-Power supply system failure

Diagnostic Service 14. No additional action is needed.

Check CCM Supply wiring and connectors not damaged & properly attached

Battery Power

—————————————————————————————————————-

U300317

Supply voltage > 32V

Circuit Voltage Above

Threshold

General reduced

functionality of ECU

Power supply system failure

Diagnostic Service 14. No additional

action is needed.

Check CCM Supply wiring and connectors not damaged & properly attached

Battery Power

—————————————————————————————————————-

U1FFF68

DTC NOT SUPPORTED IN SW: CANNOT BE SET

Event Information

DTC NOT SUPPORTED IN SW: CANNOT BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

Factory Mode Active

—————————————————————————————————————-

U024388

Bus off state

Bus off

– No communication on CAN possible

– General reduced system functionality

-CCM pin A01/A04 short to ground

-CCM pin A01/A04 open circuit

-Connecotor damaged

-Transciever damaged

Diagnostic Service 14. No additional action is needed.

1. Check CAN wires and connectors

2. Check CCM wiring & Connectors

CAN Communication Climate Subnet

—————————————————————————————————————-

P053011

A/C Refrigerant High Pressure Sensor detects sensor signal

< 0.25V

Circuit Short To Ground

A/C Refrigerant High Pressure Sensor values unexpected

A/C Refrigerant High Pressure Sensor supply short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & Pressure Sensor

A/C Refrigerant High Pressure Sensor Circuit

—————————————————————————————————————-

P053012

A/C Refrigerant High Pressure Sensor detects sensor signal

> 4.75V

Circuit Short To Battery

A/C Refrigerant High Pressure Sensor values unexpected

A/C Refrigerant High Pressure Sensor Circuit supply short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & Pressure Sensor

A/C Refrigerant High Pressure Sensor Circuit

—————————————————————————————————————-

B151E16

EACC voltage supply

< 60V

Circuit Voltage Below Threshold

General reduced functionality of ECU

-Drained battery

-Power supply system failure

Diagnostic Service 14. No additional action is needed.

1. Check supply cabels not damaged and properly attached

2. Check power supply system

Electric AC Compressor High Voltage Supply

—————————————————————————————————————-

B151E17

EACC voltage supply

> 218V

Circuit Voltage Above

Threshold

General reduced

functionality of ECU

Power supply system failure

Diagnostic Service 14. No additional

action is needed.

1. Check battery

2. Check power supply system

Electric AC Compressor

High Voltage Supply

—————————————————————————————————————-

B151E19

High Voltage current

> 175A

Circuit Current Above Threshold

General reduced functionality of ECU

-Internal EACC shortcut to lower voltage

-Current sensor (IGBT)

malfunction

Diagnostic Service 14. No additional action is needed.

Check EACC supply wire is properly attached

Electric AC Compressor High Voltage Supply

—————————————————————————————————————-

B151E1D

Deviating current flow detected

Circuit Current Out of Range

General reduced functionality of ECU

Internal componenet error. Occurance not meassurable with AM Tool

-Current sensor values out of range

-One or more of the phases in the Electric AC Compressor motor is broken

Diagnostic Service 14. No additional action is needed.

1. Check ECU environment

2. Check if Phases in the Electric AC Compressor motor is broken

Electric AC Compressor High Voltage Supply

—————————————————————————————————————-

B151E49

Deviating voltage detected

Internal Electronic Failure

General reduced functionality of ECU

-Voltage sensor values out of range

-EACC defective

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace EACC HW

Electric AC Compressor High Voltage Supply

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B151F1C

12V power supply is out of range, 8,5V > supply voltage > 16V

Circuit Voltage Out of Range

General reduced functionality of ECU

Shortcut to lower or higher voltage

Diagnostic Service 14. No additional action is needed.

Check EACC supply wire and connetor is not damaged & properly attached

Electric AC Compressor

—————————————————————————————————————-

B151F1E

Deviating temperature or abnormal temperature detected

Circuit Resistance Out of Range

General reduced functionality of ECU

Internal ECU faliture. Occurance not meassurable with AM Tool.

-Temperature sensor values out of range

Diagnostic Service 14. No additional action is needed.

1. Check PCCU environment

2. Restart SW

3. Replace PCCU HW if fault is still present when environment temperature is in nomral range

Electric AC Compressor

—————————————————————————————————————-

B151F49

Internal electronic failure EACC

Internal Electronic Failure

General reduced functionality of ECU

-Internal shortcut to lower or higher voltage

-EACC defective

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace EACC HW

Electric AC Compressor

—————————————————————————————————————-

B151F4B

Temperature is to high, >125 °C

Over Temperature

General reduced functionality of ECU

-High load on EACC

-High ambient temperature

Diagnostic Service 14. No additional action is needed.

1. Check ECU environment

2. Replace ECU if fault is still present when environment temperature is in nomral conditions

Electric AC Compressor

—————————————————————————————————————-

B151F86

Communication problem

Signal Invalid

General reduced functionality of ECU

-Signal is not in its valid range

-EACC corrupted

-Parking Cooler Control Unit corrupted

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Check if PCCU or EACC has faulty HW

Electric AC Compressor

—————————————————————————————————————-

B151F97

-Excessive load

-Loss of synchronism

-Incorrect compressor start

Component or System Operation Obstructed or Blocked

General reduced functionality of ECU

-Blocked compressor

-Low lubrication

-Induced voltage was abnormal at Sensor-less Drive

-Unsuccessfull shift

between drive modes

Diagnostic Service 14. No additional action is needed.

Check if Blocked compressor and Low lubrication on EACC

Electric AC Compressor

—————————————————————————————————————-

B150F11

Low voltage present when not expected OR discharge temp <- 40

Circuit Short To Ground

Unexpected values reported from Air Discharge Temperature Sensor

Wiring harness, CCM pin B16 Short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & Air Discharge Sensor

Air Discharge Temperature Sensor

—————————————————————————————————————-

B150F15

Short to battery or open circuit conditions detected

Circuit Short To Battery or Open

Unexpected values reported from Air Discharge Temperature Sensor

Wiring harness, CCM pin B16 is short to battery Or open circuit

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Air Discharge Sensor

Air Discharge Temperature Sensor

—————————————————————————————————————-

B150911

Low voltage present when not expected

Circuit Short To Ground

Air Quality Sensor not working

Wiring harness, CCM pin A08 OR A14 short to ground

Diagnostic Service 14. No additional action is needed.

1. Check if additional DTC B151911 is set. Due to CCM HW restrictions within CCM B151911 may cause B150911 to be set.

– Clear DTC with diagnostic service 14

– Restart truck

– Read if B150911 is still set

2. Check wiring and connectors between CCM & Air Quality Sensor (AQS)

Air Quality Sensor 12V Supply Circuit

—————————————————————————————————————-

B150A12

Voltage present when not expected OR Voltage >12V

Circuit Short To Battery

Unexpected values reported from Air Quality Sensor

– Wiring harness, CCM pin A08 short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Air Quality Sensor (AQS)

Air Quality Sensor Ground Circuit

—————————————————————————————————————-

B150A14

Short to ground or open circuit conditions detected

Circuit Short To Ground or Open

Unexpected values reported from Air Quality Sensor

Wiring harness, CCM pin A08 short to ground Or open circuit

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Air Quality Sensor (AQS)

Air Quality Sensor Ground Circuit

—————————————————————————————————————-

B150B03

CCM detects signal error from AQS Sensor.

FM (Frequency Modulated) / PWM (Pulse Width Modulated) Failures

Unexpected values reported from Air Quality Sensor

CCM pin B07 has the status

– Short to Ground

– Short to Supply

– Open Circuit

Internal error in AQS.

Diagnostic Service 14. No additional action is needed.

1. Check if there is displayed only fault code B150A14: If yes, wiring issue of supply (GND)

2. Check if there is displayed fault code B150B03 and not B150A14: No wiring issue of supply (GND), could be wiring issue of signal line or sensor itself

Air Quality Sensor Control Signal

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B151811

A/C Refrigerant High Pressure Sensor detects sensor signal

< 0.25V

Circuit Short To Ground

Unexpected values reported from Pressure Sensor

Wiring harness, CCM pin A13 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & Pressure Sensor

A/C Refrigerant High Pressure Sensor 5V Supply

—————————————————————————————————————-

B151812

A/C Refrigerant High Pressure Sensor detects sensor signal

> 4.75V

Circuit Short To Battery

Unexpected values reported from Pressure Sensor

Wiring harness, CCM pin A13 short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & Pressure Sensor

A/C Refrigerant High Pressure Sensor 5V Supply

—————————————————————————————————————-

B151011

Low voltage present when not expected

Circuit Short To Ground

Blower Control not working

Wiring harness, CCM pin A16 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & Blower Control

Blower Control

—————————————————————————————————————-

B151012

CCM detects voltage above normal range OR voltage present when not expected.

Circuit Short To Battery

Blower Control not working

Wiring harness, CCM pin A16 short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Blower Control

Blower Control

—————————————————————————————————————-

B151112

CCM detects voltage above normal range OR voltage present when not expected

Circuit Short To Battery

Defrost & Demist Stepper Motor general reduced functionality

– Wiring harness, CCM pin A09 OR pin B17-B21 is short to battery

OR

-Defrost steeper motor defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Defrost & Demist Stepper Motor Circuit

—————————————————————————————————————-

B151114

– set condition 10 times error recognize

– Failure will only handled if not outside of system voltage range

– debouncing: 2 s => 10 x 2 s = 20 s

– DTC call once at

every check

Circuit Short To Ground or Open

Defrost & Demist Stepper Motor general reduced functionality

1. Wiring harness, component or ECU

2. Stepper defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Defrost & Demist Stepper Motor Circuit

—————————————————————————————————————-

B151212

CCM detects voltage above normal range OR voltage present when not expected

Circuit Short To Battery

Recirculation Stepper Motor general reduced functionality

– Wiring harness, CCM pin A09 OR B11-B15 is short to battery

OR

– REC/OSA stepper motor is defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Recirculation Stepper Motor Circuit

—————————————————————————————————————-

B151214

CCM detects Short to ground or open circuit conditions

Circuit Short To Ground or Open

Recirculation Stepper Motor general reduced functionality

– Wiring harness, CCM oin A09 OR B11-B15 is short to ground or has open circuit OR

– REC/OSA steppper motor defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Recirculation Stepper Motor Circuit

—————————————————————————————————————-

B151312

CCM detects voltage above normal volatage

OR Voltage present when not expected

Circuit Short To Battery

Temperature Door Stepper Motor general reduced functionality

– Wiring harness, CCM pin A06 OR B17-B21 is short to battery

OR

– Air mix stepper motor is defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Temperature Door Stepper Motor Circuit

—————————————————————————————————————-

B151314

CCM detects Short to ground or open circuit conditions

Circuit Short To Ground or Open

Temperature Door Stepper Motor general reduced functionality

– Wiring harness, CCM oin A06 OR B17-B21 is short to ground or has open circuit OR

– Air mix steppper motor defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Temperature Door Stepper Motor Circuit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B151412

CCM detects voltage above normal range OR voltage present when not expected

Circuit Short To Battery

Water Valve Stepper Motor general reduced functionality

– Wiring harness, CCM pin A06 OR B11-B15 is short to battery

OR

– Watervalve stepper motor is defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Water Valve  Stepper Motor Circuit

—————————————————————————————————————-

B151414

CCM detects Short to ground or open circuit conditions

Circuit Short To Ground or Open

Water Valve Stepper Motor general reduced functionality

– Wiring harness, CCM pin A06 OR B11-B15 is short to ground or has open circuit OR

– Watervalve steppper motor defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Water Valve  Stepper Motor Circuit

—————————————————————————————————————-

B151712

CCM detects voltage above normal range OR voltage present when not expected

Circuit Short To Battery

Floor & Ventilation Stepper Motor general reduced functionality

– Wiring harness, CCM pin A09 OR B05-B09 is short to battery

OR

– Air distrubution stepper motor(s) is defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Floor & Ventilation Stepper Motor Circuit

—————————————————————————————————————-

B151714

CCM detects Short to ground or open circuit conditions

Circuit Short To Ground or Open

Floor & Ventilation Stepper Motor general reduced functionality

– Wiring harness, CCM pin A09 OR B05-B09 is short to ground or has open circuit OR

– Air distrubution steppper motor(s) is defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Floor & Ventilation Stepper Motor Circuit

—————————————————————————————————————-

P053511

CCM detects voltage below normal voltage OR low voltage present when not expected

Circuit Short To Ground

A/C Evaporator Temperature Sensor unexpected values

Wiring harness, CCM pin B19 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & Evaporator Sensor

A/C Evaporator Temperature Sensor Circuit

—————————————————————————————————————-

P053515

CCM detects Short to battery or open

circuit conditions

Circuit Short To Battery or Open

A/C Evaporator Temperature Sensor

unexpected values

Wiring harness, CCM  pinB19 is short to battery or

open circuit

Diagnostic Service 14. No additional action is needed.

Check wiring on CCM & Evaporator Sensor

A/C Evaporator Temperature Sensor

Circuit

—————————————————————————————————————-

B151911

CCM detects voltage below normal voltage OR low voltage present when not expected

Circuit Short To Ground

Climate Control Panel / Defog Sensor not working

Wiring harness, CCM pin A14 is short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM, Defog sensor & CCP

Panel / Defog Sensor Power Supply Circuit

—————————————————————————————————————-

B151912

CCM detects voltage above normal range OR voltage present when not expected

Circuit Short To Battery

Climate Control Panel / Defog Sensor general reduced functionality

Wiring harness, CCM pin A14 is short to battery

Diagnostic Service 14. No additional action is needed.

Check wiring on CCM, Defog sensor & CCP

Panel / Defog Sensor Power Supply Circuit

—————————————————————————————————————-

B152212

CCM detects voltage above normal range OR voltage present when not expected

Circuit Short To Battery

Air Distribution Stepper general reduced functionality

– Wiring harness, CCM pin A09 OR B05-B09 is short to battery

OR

– Air distrubution stepper motor is defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Air Distribution Stepper Circuit

—————————————————————————————————————-

B152214

CCM detects Short to ground or open circuit conditions

Circuit Short To Ground or Open

Air Distribution Stepper general reduced functionality

– Wiring harness, CCM pin A09 OR B05-B09 is short to ground or has open circuit OR

– Air distrubution steppper motor defect

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Air Distribution Stepper Circuit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B150C16

Parking heater supply voltage <

21.5V

Circuit Voltage Below Threshold

General reduced functionality of Parking

Heater

-Drained battery

-Power supply system failure

Diagnostic Service 14. No additional action is needed.

Check Parking Heater power supply system

Parking Heater Module

—————————————————————————————————————-

B150C17

Parking heater supply voltage > 30V

Circuit Voltage Above Threshold

General reduced functionality of Parking

Heater

Power supply system failure

Diagnostic Service 14. No additional action is needed.

1. Check battery

2. Check power supply system

Parking Heater Module

—————————————————————————————————————-

B150C49

Internal hardware failure detected

Internal Electronic Failure

General reduced functionality of Parking Heater

– Parking heater hardware is defective

– Temperature sensor defective

– Air inlet defective

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace Parking Heater HW

Parking Heater Module

—————————————————————————————————————-

B150C4B

Air heater above normal operation

temperature

Over Temperature

General reduced functionality of Parking

Heater

Heating air system (inlets, ducts, outlets) restricted or

blocked.

Diagnostic Service 14. No additional action is needed.

Check Heating air system (inlets, ducts, outlets) restricted are not blocked

Parking Heater Module

—————————————————————————————————————-

B150C86

Communication error between parking heater and

CCM

Signal Invalid

– No Message is received from Parking Heater

– No Other Signal DTC can

be reported

-CCM pin A14/A05

communication error

-Parking heater corrupted

Diagnostic Service 14. No additional action is needed.

Check Parking heater wiring not damaged & properly attached

Parking Heater Module

—————————————————————————————————————-

B150C87

Parking heater not answering

Missing Message

– No Message is received from Parking Heater.

– No Other Signal DTC can be reported

-Parking Heater is not answering for 6 frames

-Parking heater is not connected to CCM pin A05/A14

-Connectors A05/A14 defective

-SC to GND A14

Diagnostic Service 14. No additional action is needed.

Check Parking Heater is properly attached

Parking Heater Module

—————————————————————————————————————-

B150C93

Heater does not start on first and second trial

No Operation

General reduced functionality of Parking Heater

-Fuel line empty

-Fuel line damaged

-Combustion air supply system restricted

-Exhaust system restricted

-Burner worn out

Diagnostic Service 14. No additional action is needed.

Check Fuel line, Combustion air supply system, Exhaust system and if Burner worn out

Parking Heater Module

—————————————————————————————————————-

B150C97

Repeated parking heater falitures has occurred

Component or System Operation Obstructed or Blocked

General reduced functionality of Parking Heater

-Overfeeding of fuel

-Heater is locked

-Abnormal fuel provision

-Air supply system defective

-Exhaust system defective

-Burner defective

Diagnostic Service 14. No additional action is needed.

Check if overfeeding fuel and if Heater is blocked

Parking Heater Module

—————————————————————————————————————-

U114311

Low voltage present when not expected

Circuit Short To Ground

Parking Heater Burner Motor not working

-Parking heater burner motor supply short to ground

-Parking heater burning

motor blocked

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Parking Heater Burner Motor

—————————————————————————————————————-

U114313

Open circuit conditions detected

Circuit Open

Parking Heater Burner Motor not working

-Parking heater burner motor supply short to ground

-Parking heater burner

motor is broken

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM and HVAC

Parking Heater Burner Motor

—————————————————————————————————————-

U114511

Low voltage present when not expected

Circuit Short To Ground

Parking Heater Dosing Pump not working

-Supply cable of dosing pump is short to ground

-Parking heater dosing

Pump is broken

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM and HVAC

Parking Heater Dosing Pump

—————————————————————————————————————-

U114513

Open circuit conditions detected

Circuit Open

Parking Heater Dosing Pump not working

-Supply cable of the dosing pump is open circuit

-Parking heater dosing pump is broken

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM and HVAC

Parking Heater Dosing Pump

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

U114611

Low voltage present when not expected

Circuit Short To Ground

Unexpected values from Parking Heater Water Temperature Sensor

-Parkig heater temperature sensor supply cable short to ground

-Parking heater temperature sensor is defective

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Parking Heater Water Temperature Sensor

—————————————————————————————————————-

U114613

Open circuit conditions detected

Circuit Open

Unexpected values from Parking Heater Water Temperature Sensor

-Temperatur sensor cable open circuit

-Temperature sensor is

defective

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & HVAC

Parking Heater Water Temperature Sensor

—————————————————————————————————————-

U114711

Low voltage present when not expected

Circuit Short To Ground

Unexpected values from Parking Heater Air Outlet Temperature Sensor

-Parking heater outlet sensor cable short to ground

-Parking heater air outlet temperature sensor

damaged

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Parking Heater Air Outlet Temperature Sensor

—————————————————————————————————————-

U114713

Open circuit conditions detected

Circuit Open

Parking Heater Air Outlet Temperature Sensor unexpected values

-Parking heater outlet temperature sensor open circuit

-Parking heater air outlet temperature sensor

defective.

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM and HVAC

Parking Heater Air Outlet Temperature Sensor

—————————————————————————————————————-

U114811

Low voltage present when not expected

Circuit Short To Ground

Parking Heater Flame Detector not working

-Parking heater supply cable short to ground

-Parking heater flame

detector damaged

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM and HVAC

Parking Heater Flame Detector

—————————————————————————————————————-

U114813

Open circuit conditions detected

Circuit Open

Parking Heater Flame Detector not working

-Parking heater flame detector open circuit

-Parking heater flame

detector defective

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & HVAC

Parking Heater Flame Detector

—————————————————————————————————————-

U114893

Flame interrupt during heater operation and/or no successful restart

No Operation

Parking Heater Flame Detector unexpected behaviour

Flame interrupt during heater operation, no successful restart

– Fuel line empty

– Fuel line damaged

– Combustion air supply system restricted

– Exhaust system restricted

– Burner worn out

Diagnostic Service 14. No additional action is needed.

Check Fuel line, Combustion air supply system, Exhaust system and if Burner worn out

Parking Heater Flame Detector

—————————————————————————————————————-

U114411

Low voltage present when not expected

Circuit Short To Ground

Parking Heater Glow Plug not working

Supply cable of the parking

heater glow plug is short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Parking Heater Glow Plug

—————————————————————————————————————-

U114413

Open circuit conditions detected

Circuit Open

Parking Heater Glow Plug not working

-Parking heater glow plug supply cable Open Circuit

-Parking heater glow plug defective

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & HVAC

Parking Heater Glow Plug

—————————————————————————————————————-

B151A86

PCCU detects communication error between PCCU and ElectricalAirConditio nCompressor (EACC) on LIN17

Signal Invalid

General reduced functionality of ECU

– PCCU in failmode OR corrupted

– EACC in failmode OR corrupted

Diagnostic Service 14. No additional action is needed.

Check wiring between EACC & PCCU is not damaged and corectly attached

LIN17 communication bus

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B151A87

PCCU missing message from ElectricalAirConditio nCompressor (EACC)

Missing Message

General reduced functionality of ECU

– Communication signal disturbances

– Faulty LIN driver component EACC

– EACC not activated

– Incorrect commande was sent (sleep command)

– EACC is still in boot mode (standby)

Diagnostic Service 14. No additional action is needed.

1. Restart ECU SW

2. Check EACC is properly connected

3. Replace ECU

LIN17 communication bus

—————————————————————————————————————-

B151A88

Bus off state for LIN17 between PCCU and ElectricalAirConditio nCompressor (EACC)

Bus off

No CAN communication on between PCCU and EACC General reduced system functionality

– Communication signal disturbances

– Faulty LIN driver component EACC

Diagnostic Service 14. No additional action is needed.

1. Check CAN wires and connectors

2. Check EACC & PCCU properly connected

LIN17 communication bus

—————————————————————————————————————-

B151B16

PCCU supply voltage

< 20V

Circuit Voltage Below Threshold

General reduced functionality of ECU

– Hardware malfunctions within the PCCU

– SC to lower voltage

– Corrosion in LV connector

– Current leakage, LV power supply

– Internal fault ElectricalAirConditionCompr essor

Diagnostic Service 14. No additional action is needed.

Check PCCU Supply wiring and connectors not damaged & properly attached

Parking Cooler Control Unit

—————————————————————————————————————-

B151B17

PCCU supply voltage

> 32V

Circuit Voltage Above Threshold

General reduced functionality of ECU

– Hardware malfunctions within the PCCU

– Shortcut to higher voltage

– Open circuit LV ground wire (lost reference to ground)

Diagnostic Service 14. No additional action is needed.

Check PCCU Supply wiring and connectors not damaged & properly attached

Parking Cooler Control Unit

—————————————————————————————————————-

B151B49

Internal HW failure detected within

PCCU

Internal Electronic Failure

General reduced functionality of ECU

Hardware malfunctions within the PCCU

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace PCCU HW

Parking Cooler Control Unit

—————————————————————————————————————-

B151B4B

PCCU internal temperature > 80°C

Over Temperature

General reduced functionality of ECU

ElectricalAirConditionCompr essor on High torque load (-

> high current consumption)

– Faulty temperature sensor (drifting offset)

– High ambient temperature

– Soiled PCCU (covered with heat insulating dirt)

– Bad ambient cooling performance

Diagnostic Service 14. No additional action is needed.

1. Check ECU environment

2. Replace ECU if fault is still present when environment temperature is in nomral range

Parking Cooler Control Unit

—————————————————————————————————————-

B151B64

FAULT CODE REMOVED FROM SOFTWARE: DTC

CAN NEVER BE SET

Signal Plausibility Failure

DTC NOT SUPPORTED IN SW: CANNOT BE SET

FAULT CODE REMOVED FROM SOFTWARE: DTC CAN NEVER BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

Parking Cooler Control Unit

—————————————————————————————————————-

B151C11

PCCU detects condenser fans output SC to ground

Circuit Short To Ground

General reduced functionality of ECU

– Power supply wire to Condenser fan shorted to ground

– Condensor fan motor is broken (internal short to ground)

– PCCU fan power supply (internal) is shorted to

ground

Diagnostic Service 14. No additional action is needed.

Check wiring on PCCU not damaged and properly attached

Parking Cooler Control Unit Condenser Fans Output

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B151C12

FAULT CODE REMOVED FROM SOFTWARE: DTC

CAN NEVER BE SET

Circuit Short To Battery

DTC NOT SUPPORTED IN SW: CANNOT BE SET

FAULT CODE REMOVED FROM SOFTWARE: DTC CAN NEVER BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

Parking Cooler Control Unit Condenser Fans Output

—————————————————————————————————————-

B151C13

PCCU detects open circuit conditions

Circuit Open

General reduced functionality of ECU

– Power supply wire to Condenser fan broken

– Ground supply wire to Condenser fan broken

– Condensor fan motor is broken (internal open circuit)

– PCCU fan power supply broken (internal open

circuit)

Diagnostic Service 14. No additional action is needed.

Check wiring on PCCU not damaged and properly attached

Parking Cooler Control Unit Condenser Fans Output

—————————————————————————————————————-

B151C19

PCCU current > 12A

Circuit Current Above Threshold

General reduced functionality of ECU

– Mechanical obstacles

– Dirty fan blades

– Power supply wire to Condenser fan SC to lower voltage

– Condensor fan motor is shorted to lower voltage

– PCCU fan power supply (internal) is shorted to

lower voltage

Diagnostic Service 14. No additional action is needed.

1. Check PCCU fan not blocked

2. Check wiring properly attached

Parking Cooler Control Unit Condenser Fans Output

—————————————————————————————————————-

B151C1C

FAULT CODE REMOVED FROM SOFTWARE: DTC

CAN NEVER BE SET

Circuit Voltage Out of Range

DTC NOT SUPPORTED IN SW: CANNOT BE SET

FAULT CODE REMOVED FROM SOFTWARE: DTC CAN NEVER BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

DTC NOT SUPPORTED IN SW: CANNOT BE SET

Parking Cooler Control Unit Condenser Fans Output

—————————————————————————————————————-

U114949

PCCU detects internal HW failure

Internal Electronic Failure

General reduced functionality of ECU

PCCU LIN HW failure

Diagnostic Service 14. No additional action is needed.

1. Restart SW

2. Replace PCCU HW

LIN17 Communication Net

—————————————————————————————————————-

B151D13

PCCU detects open circuit conditions for itself OR ElectricalAirConditio nCompressor (EACC)

Circuit Open

General reduced functionality of ECU

– PCCU high voltage supply wire to EACC broken

– PCCU high voltage ground wire to EACC broken

– PCCU high voltage supply connection broken (internal)

– EACC high voltage supply connection broken (internal)

– HVIL loop broken

Diagnostic Service 14. No additional action is needed.

Check wiring on PCCU not damaged and properly attached

Parking Cooler Control Unit High Voltage Output

—————————————————————————————————————-

B151D16

PCCU supply voltage

< 105 V

Circuit Voltage Below Threshold

General reduced functionality of ECU

– HV supply wire to ElectricalAirConditionCompr essor (EACC) shorted to lower voltage

– PCCU HV supply (internal) is shorted to lower voltage

– EACC HV supply (internal) is shorted to lower voltage

Diagnostic Service 14. No additional action is needed.

Check PCCU & EACC Supply wiring and connectors not damaged & properly attached

Parking Cooler Control Unit High Voltage Output

—————————————————————————————————————-

B151D17

PCCU supply voltage

> 170V

Circuit Voltage Above Threshold

General reduced functionality of ECU

– No ElectricalAirConditionCompr essor (EACC) load

– Hardware malfunctions

within the PCCU

Diagnostic Service 14. No additional action is needed.

Check PCCU Supply wiring and connectors not damaged & properly attached

Parking Cooler Control Unit High Voltage Output

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

—————————————————————————————————————-

B151D19

PCCU current in High Voltage supply to ElectricalAirConditio nCompressor (EACC)

> 4,7A

Circuit Current Above Threshold

General reduced functionality of ECU

– High load on EACC

– Leak currents

– Mechanical obstacles EACC

– Internal fault PCCU

Diagnostic Service 14. No additional action is needed.

Check PCCU wiring properly attached and connectors not damaged

Parking Cooler Control Unit High Voltage Output

—————————————————————————————————————-

B152019

PCCU detects to high internal current

Circuit Current Above Threshold

General reduced functionality of ECU

Fault caused by current leakage. Level event (current) of fault code set not meassurable.

– High Voltage cable shafted or damaged

– Shortcircuit inside High Voltage connectors (HV+ and HV-)

– Internal short circuit (inside PCCU or ElectricalAir ConditionCompressor)

Diagnostic Service 14. No additional action is needed.

Check PCCU wiring properly attached and connectors not damaged

Parking Cooler Control Unit High Voltage Isolation

—————————————————————————————————————-

B152113

PCCU detects open circuit conditions on itself OR on ElectricalAirConditio nCompressor (EACC) for High Voltage supply

Circuit Open

General reduced functionality of ECU

HV connectors (PCCU or EACC) disconnected HVIL wires are cut

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between PCCU & EACC

Parking Cooler Control Unit High Voltage Interlock Loop

—————————————————————————————————————-

U114211

Low voltage present when not expected

Circuit Short To Ground

Parking Heater Water Pump not working

wiring harness, CCM pin A14/A05 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors on CCM & HVAC

Parking Heater Water Pump

—————————————————————————————————————-

U114213

Open circuit conditions detected

Circuit Open

No Functionallity change at CCM side.

Wiring harness, CCM pin A14/A05 open circuit

Diagnostic Service 14. No additional action is needed.

Check wiring and connectors between CCM & HVAC

Parking Heater Water Pump

—————————————————————————————————————-

B150311

Left Side Sun Sensor supply voltage <

0.2V

Circuit Short To Ground

Left Side Sun Sensor unexpected values

CCM pin A10 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Left Side Sun Sensor properly attached and not damaged

Left Side Sun Sensor

—————————————————————————————————————-

B150315

Short to battery or open circuit conditions detected

Circuit Short To Battery or Open

Left Side Sun Sensor unexpected values

CCM pin A10 short to battery or open circuit

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Left Side Sun Sensor properly attached and not damaged

Left Side Sun Sensor

—————————————————————————————————————-

B150411

Right side sun sensor

supply voltage < 0.2V

Circuit Short To Ground

Right Side Sun Sensor unexpected values

CCM pin A07 short to ground

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Right Side Sun Sensor properly attached and not damaged

Right Side Sun Sensor

—————————————————————————————————————-

B150415

Short to battery or open circuit conditions detected

Circuit Short To Battery or Open

Right Side Sun Sensor unexpected values

CCM pin A07 short to battery or open circuit

Diagnostic Service 14. No additional action is needed.

Check wiring between CCM & Right Side Sun Sensor properly attached and not damaged

Right Side Sun Sensor

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