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