BLECU Volvo Fh4

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

C100323

– Hall sensor level doesn’t change during reference run from low to high.(ESW bit read from AMIS during reference run is not changed)

Signal Stuck Low

– AFS functionallity not available.

– Neutral position is secured because of HardReference (The motor is able to detect the mechanical block of extremities.), no other movement until the error is solved. (If block detection is activated through Motor Dataset, possible to be reported also 0x97 – Component or System Operation Obstructed or Blocked)

– Headlamp stepper motor failure (hall sensor is broken; motor is blocked).

Diagnostic Service 14. No additional action is needed.

1. Check if module is blocked (maybe cable is inhibited), try to release to release it.

2. Perform reference run, use the “Move x Satellite motor” routine to find a block point by moving the  motors to left/right limits and back to zero position and than check if the new Zero position is identical to the initial one , if module moveable and error still present  stepper motor is defect.

3. Replace headlamp.

Left Bending Lights Stepper Motor Circuit

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

C100324

– Hall sensor level doesn’t change during reference run from high to low.(ESW bit read from AMIS during reference run is not changed)

Signal Stuck High

– AFS functionallity not available.

– Neutral position is secured because of HardReference(The motor is able to detect the mechanical block of extremities.), no other movement until the error is solved. (If block detection is activated through Motor Dataset, possible to be reported also 0x97 – Component or System Operation Obstructed or

Blocked).

– Headlamp stepper motor failure (hall sensor is broken; motor is blocked).

Diagnostic Service 14. No additional action is needed.

1. Check if module is blocked (maybe cable is inhibited), try to release to release it.

2. Perform reference run, use the “Move x Satellite motor” routine to find a block point by moving the  motors to left/right limits and back to zero position and than check if the new Zero position is identical to the initial one , if module moveable and error still present  stepper motor is defect.

3. Replace headlamp.

Left Bending Lights Stepper Motor Circuit

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

C100363

– Stepper motor overusage warning. OverUsage counter > OverUse2stThreshol d.

Circuit / Component Protection Time-Out

– AFS functionallity not available untill usage drops down.

– The motors are positioned in neutral position until the usage drops below parameter

OverUse1stThreshold.

– Too many movements on headlamp stepper motor.

Diagnostic Service 14. No additional action is needed.

– No action required.

Left Bending Lights Stepper Motor Circuit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

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

C100416

– Satellite supply voltage is out of range less than UV_KL15_12V

(typical 10V).

Circuit Voltage Below Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position when the voltage drops below UV_KL15_12V-1V.

– If the voltage drop is below 7V, 12 V supply is shutted down and neutral possition is not secured.

– Headlamp stepper motor power supply shorted to ground.

– BLECU hardware failure (DC/DC converter failure).

– Headlamp stepper motor hardware failure.

Diagnostic Service 14. No additional action is needed.

1. Inspect power supply harness between ECU and sattelites. 2.Replace the ECU.

3.If still active replace headlamp.

Bending Light Satellite Power Supply Circuit

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

C100417

– Satellite supply voltage is out of range – greater than OV_KL15_12V (

typical 14V).

Circuit Voltage Above Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position when the voltage goes above

OV_KL15_12V +1V.

– Headlamp stepper motor power supply shorted to battery.

– BLECU hardware failure (DC/DC converter failure).

Diagnostic Service 14. No additional action is needed.

1. Inspect power supply harness between ECU and sattelites. 2.Replace the ECU.

3.If still active replace headlamp.

Bending Light Satellite Power Supply Circuit

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

C100013

– Electrical problem on satellite’s stepper motor or stepper driver.

Reported by AMIS.

Circuit Open

– AFS functionallity not available.

– The motors are commanded to move to neutral position . Neutral position is not secured. The application is waiting for this error to be solved.

– Headlamp stepper motor hardware failure (wire to stepper motor is broken; open load for motor coils).

Diagnostic Service 14. No additional action is needed.

– Stepper motor defect. Replace headlamp.

Right Bending Lights Stepper Driver Circuit

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

C100016

– Electrical problem on satellite’s stepper driver.Power drop on sattelite’s supply line.

– Reported by AMIS, supply lower than 8.5V

Circuit Voltage Below Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position . Neutral position is not secured. The application is waiting for this error to be solved.

– Headlamp stepper motor hardware failure (undervoltage on motor driver; stepper motor driver reset).

Diagnostic Service 14. No additional action is needed.

1. Inspect power supply harness between ECU and sattelites. Measure 12V at left headlamp. When NOK test with other ECU.

2. Stepper motor defect. Replace headlamp.

Right Bending Lights Stepper Driver Circuit

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

C100019

– Electrical problem on satellite’s stepper motor or stepper driver.

Reported by AMIS, current on coils higher than 800 mA.

Circuit Current Above Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position . Neutral position is not secured. The application is waiting for this error to be solved.

– Headlamp stepper motor hardware failure (short circuit on motor coils).

Diagnostic Service 14. No additional action is needed.

– Stepper motor defect. Replace headlamp.

Right Bending Lights Stepper Driver Circuit

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

C10004B

– Stepper motor driver shutdown due to high temperature (greater than TW + 10°C).(155degreesC

+/-7degreesC). Reported by AMIS.

Over Temperature

– AFS functionallity not available untill the motor cools down – temperature drops below TW.

– The motor is commanded to move to neutral position. The motor is internally shutted down for its own protection until it cooles down.Neutral position is not secured.

– Motors are blocked in latest position.

– Headlamp stepper motor overheated.

Diagnostic Service 14. No additional action is needed.

– No action required.

Right Bending Lights Stepper Driver Circuit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

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

C100068

– Stepper motor driver temperature warning (145degreesC +/- 7degreesC).

Event Information

– AFS functionallity not available untill the motor cools down – temperature drops below TW.

– The motor is commanded to move to neutral position.

– Warning temperature threshold for headlamp stepper motor is reached.

Diagnostic Service 14. No additional action is needed.

– No action required.

Right Bending Lights Stepper Driver Circuit

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

C100097

– Reported by application when the motor is moving through 0 and hall does not change.

Component or System Operation Obstructed or Blocked

– AFS functionallity not available.

– The motor is commanded to move to neutral position.

– The motor is blocked, neutral position is not secured. The application is waiting for Reference conditions to be fulfilled.

– Mechanical defect on headlamp stepper motor (motor stall; step loss; mechanical defect on sattelite motor).

Diagnostic Service 14. No additional action is needed.

1. Check if module is blocked (maybe cable is inhibited), try to release to release it.

2. Perform reference run, use the “Move x Satellite motor” routine to find a block point by moving the  motors to left/right limits and back to zero position and than check if the new Zero position is identical to the initial one , if module moveable and error still present  stepper motor is defect.

3. Replace headlamp.

Right Bending Lights Stepper Driver Circuit

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

C100113

– Electrical problem on satellite’s stepper motor or stepper driver.

Reported by AMIS.

Circuit Open

– AFS functionallity not available.

– The motors are commanded to move to neutral position . Neutral position is not secured. The application is waiting for this error to be solved.

– Headlamp stepper motor hardware failure (wire to stepper motor is broken; open load for motor coils).

Diagnostic Service 14. No additional action is needed.

– Stepper motor defect. Replace headlamp.

Left Bending Lights Stepper Driver Circuit

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

C100116

– Electrical problem on satellite’s stepper driver.Power drop on sattelite’s supply line.

– Reported by AMIS, supply lower than 8.5V.

Circuit Voltage Below Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position . Neutral position is not secured. The application is waiting for this error to be solved.

– Headlamp stepper motor hardware failure (undervoltage on motor driver; stepper motor driver reset).

Diagnostic Service 14. No additional action is needed.

1. Inspect power supply harness between ECU and sattelites. Measure 12V supply. If NOK test with other ECU. If OK -> Stepper motor defect.

2. Replace headlamp.

Left Bending Lights Stepper Driver Circuit

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

C100119

– Electrical problem on satellite’s stepper motor or stepper driver.

Reported by AMIS, current on coils higher than 800 mA.

Circuit Current Above Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position . Neutral position is not secured. The application is waiting for this error to be solved.

– Headlamp stepper motor hardware failure (short circuit on motor coils).

Diagnostic Service 14. No additional action is needed.

– Stepper motor defect. Replace headlamp.

Left Bending Lights Stepper Driver Circuit

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

C10014B

– Stepper motor driver shutdown due to high temperature (greater than TW + 10°C)(155degreesC

+/-7degreesC). Reported by AMIS.

Over Temperature

– AFS functionallity not available untill the motor cools down – temperature drops below TW.

– The motor is commanded to move to neutral position. The motor is internally shutted down for its own protection until it cooles down.Neutral position is not secured.

– Motors are blocked in latest position.

– Headlamp stepper motor overheated.

Diagnostic Service 14. No additional action is needed.

– No action required.

Left Bending Lights Stepper Driver Circuit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

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

C100168

– Stepper motor driver temperature warning (145degreesC +/- 7degreesC)

Event Information

– AFS functionallity not available untill the motor cools down – temperature drops below TW.

– The motor is commanded to move to neutral position.

– Warning temperature threshold for headlamp stepper motor is reached.

Diagnostic Service 14. No additional action is needed.

– No action required.

Left Bending Lights Stepper Driver Circuit

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

C100197

– Reported by application when the motor is moving through 0 and hall does not change.

Component or System Operation Obstructed or Blocked

– AFS functionallity not available.

– The motor is commanded to move to neutral position.

– The motor is blocked, neutral position is not secured. The application is waiting for Reference conditions to be fulfilled.

– Mechanical defect on headlamp stepper motor (motor stall; step loss; mechanical defect on sattelite motor).

Diagnostic Service 14. No additional action is needed.

1. Check if module is blocked (maybe cable is inhibited), try to release to release it.

2. Perform reference run, use the “Move x Satellite motor” routine to find a block point by moving the  motors to left/right limits and back to zero position and than check if the new Zero position is identical to the initial one , if module moveable and error still present  stepper motor is defect.

3. Replace headlamp.

Left Bending Lights Stepper Driver Circuit

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

C100223

– Hall sensor level doesn’t change during reference run from low to high.(ESW bit read from AMIS during reference run is not changed).

Signal Stuck Low

– AFS functionallity not available.

– Neutral position is secured because of HardReference(The motor is able to detect the mechanical block of extremities.), no other movement until the error is solved. (If block detection is activated through Motor Dataset, possible to be reported also 0x97 – Component or System Operation Obstructed or

Blocked).

– Headlamp stepper motor failure (hall sensor is broken; motor is blocked).

Diagnostic Service 14. No additional action is needed.

1. Check if module is blocked (maybe cable is inhibited), try to release to release it.

2. Perform reference run, use the “Move x Satellite motor” routine to find a block point by moving the  motors to left/right limits and back to zero position and than check if the new Zero position is identical to the initial one , if module moveable and error still present  stepper motor is defect.

3. Replace headlamp.

Right Bending Lights Stepper Motor Circuit

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

C100224

– Hall sensor level doesn’t change during reference run from high to low.(ESW bit read from AMIS during reference run is not changed).

Signal Stuck High

– AFS functionallity not available.

– Neutral position is secured because of HardReference(The motor is able to detect the mechanical block of extremities.), no other movement until the error is solved. (If block detection is activated through Motor Dataset, possible to be reported also 0x97 – Component or System Operation Obstructed or

Blocked).

– Headlamp stepper motor failure (hall sensor is broken; motor is blocked).

Diagnostic Service 14. No additional action is needed.

1. Check if module is blocked (maybe cable is inhibited), try to release to release it.

2. Perform reference run, use the “Move x Satellite motor” routine to find a block point by moving the  motors to left/right limits and back to zero position and than check if the new Zero position is identical to the initial one , if module moveable and error still present  stepper motor is defect.

3. Replace headlamp.

Right Bending Lights Stepper Motor Circuit

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

C100263

– Stepper motor overusage warning. OverUsage counter > OverUse2stThreshol d

Circuit / Component Protection Time-Out

– AFS functionallity not available untill usage drops down.

– The motors are positioned in neutral position until the usage drops below parameter

OverUse1stThreshold.

– Too many movements on headlamp stepper motor.

Diagnostic Service 14. No additional action is needed.

– No action required.

Right Bending Lights Stepper Motor Circuit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

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

U100287

– No communication with sattelite.

– No answear from AMIS driver.

Missing Message

– AFS functionallity not available.

– The motor is commanded to move to neutral position

. Neutral position is not secured. The application is waiting for this error to be solved.

– Communication between BLECU and headlamp stepper motor cannot be established (satellite failure; harness troubles; LIN wire open).

Diagnostic Service 14. No additional action is needed.

1. Check truck harness (12V, LIN from rightt to left headlamp).

2. Change headlamp.

Right Headlamp Module Data Link

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

U100011

– Electrical defect on LIN harness.

– Reported by SBC.

– LIN shorted to ground.

Circuit Short To Ground

– AFS functionallity not available.

– No LIN communication with either satellite.

Neutral position is not secured. The application is waiting for this error to be solved.  The motors are going to neutral position by their own.

– LIN wire between BLECU and either headlamp stepper motor is shorted to ground.

Diagnostic Service 14. No additional action is needed.

– Inspect LIN harness if is shorted with a ground wire.

LIN Advanced Lighting Net

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

U100012

– Electrical defect on LIN harness.

– Reported by SBC.

– LIN shorted to battery.

Circuit Short To Battery

– AFS functionallity not available.

– No LIN communication with either satellite. Neutral position is not secured. The application is waiting for this error to be solved.  The motors are going to neutral position by their own.

– LIN wire between BLECU and either headlamp stepper motor is shorted to battery.

Diagnostic Service 14. No additional action is needed.

– Inspect LIN harness if is shorted with a power supply wire.

LIN Advanced Lighting Net

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

U100049

– Electrical defect on LIN hardware.

– Reported by SBC.

– TXDL is clamped dominant.

Internal Electronic Failure

– AFS functionallity not available.

– No LIN communication with either satellite. Neutral position is not secured. The application is waiting for this error to be solved.  The motors are going to neutral position by their own.

– BLECU hardware failure (LIN transceiver).

Diagnostic Service 14. No additional action is needed.

1. Inspect LIN harness failure

2. Download a new MSW and Datasets

3. Replace the ECU.

LIN Advanced Lighting Net

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

U100187

– No communication with sattelite.

– No answear from AMIS driver.

Missing Message

– AFS functionallity not available.

– The motor is commanded to move to neutral position

. Neutral position is not secured. The application is waiting for this error to be solved.

– Communication between BLECU and headlamp stepper motor cannot be established (satellite failure; harness troubles; LIN wire open).

Diagnostic Service 14. No additional action is needed.

1. Check truck harness (12V, LIN from rightt to left headlamp).

2. Change headlamp.

Left Headlamp Module Data Link

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

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

U200487

– BLECU has problems communicating on CAN network.

Missing Message

– AFS functionallity might not be available.

– Possibly no CAN communication with BLECU.

– The motors are commanded to move to neutral position if the messages used as algorithm input are missing. The application is waiting for this error to be solved.

– CAN communication problems (wrong timing configuration; message(s) not received from FCIOM).

Diagnostic Service 14. No additional action is needed.

1. Inspect CAN harness failure

2. Download a new MSW and Datasets

3. Replace the ECU.

CAN Communication Advanced Lightning Net

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

U200488

– BLECU does not communicate on CAN network.

– Error frames present on CAN bus.

Bus off

– AFS functionallity not available.

– The motors are commanded to move to neutral position . The application is waiting for

this error to be solved.

– Too many errors on CAN bus.

– CAN harness problems.

Diagnostic Service 14. No additional action is needed.

1. Inspect CAN harness failure

2. Download a new MSW and Datasets

3. Replace the ECU.

CAN Communication Advanced Lightning Net

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

U300041

– Incorrect checksum on parameter datasets. Reported by Vector RomCheck.

General Checksum Failure

– AFS functionallity not available.

– BLECU is not communicating to FCIOM.

– The application in invalidated and only the boot is active, 12V supply is not activ. Neutral position is not secured.

– Incorrect datasets programmed on BLECU.

– BLECU flash memory corruption.

Diagnostic Service 14. No additional action is needed.

1. Download a new MSW and Datasets

2. Replace the ECU.

Electronic control unit

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

U300044

– RAM check failed.

Data Memory Failure

– AFS functionallity not available.

– The error is reported after the ECU already recover.

Neutral position is not secured  The application will wait next power cycle to recover.

– BLECU RAM memory corruption.

Diagnostic Service 14. No additional action is needed.

1. Download a new MSW and Datasets

2. Replace the ECU.

Electronic control unit

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

U300045

– Incorrect checksum on application.

Reported by Vector RomCheck.

Program Memory Failure

– AFS functionallity not available.

– BLECU is not communicating to FCIOM.

– The application in invalidated and only the boot is active, 12V supply is not activ. Neutral position is not secured.

– Incorrect application programmed on BLECU.

– BLECU flash memory corruption.

Diagnostic Service 14. No additional action is needed.

1. Download a new MSW and Datasets

2. Replace the ECU.

Electronic control unit

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

U300046

– EEPROM related errors.

Calibration / Parameter Memory Failure

– Autorecovery.  EEPROM old data mught get lost (DTCs, …)

– Emulated EEPROM block failure.

Diagnostic Service 14. No additional action is needed.

1. Download a new MSW and Datasets

2. Replace the ECU.

Electronic control unit

Node

DTC ISO

FailureEvent

FTB_Name

FunctBehaviorDesc

PossibleRootCause

ProcedureEraseConfirmedDtc

ProposedWorkshopAction

ProprietaryName

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

U300049

– Failure of microcontroller’s oscillator or PLL not working at specified frequency.

Internal Electronic Failure

– AFS functionallity not available.

– The error is reported after the ECU already recover.

Neutral position is not secured  The application will wait next power cycle to recover.

– BLECU’s microcontroller clock failure.

Diagnostic Service 14. No additional action is needed.

1. Download a new MSW and Datasets

2. Replace the ECU.

Electronic control unit

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

U30004B

– Temperature inside BLECU reaches high values (T > TSensor3ndThreshol d(approx  130 degrees Celsius).

Over Temperature

– AFS functionallity not available.

– The motors are commanded to move to neutral position until the temperature drops below TSensor2ndThreshold and a new power cycle is performed.

– BLECU is overheated.

Diagnostic Service 14. No additional action is needed.

– No action required.

Electronic control unit

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

U300054

– Invalid calibration or manufacturing data has been detected.

Missing Calibration

– AFS functionallity not available.12V supply is active.

– BLECU did not passed all EOL tests.

– BLECU flash memory damaged.

Diagnostic Service 14. No additional action is needed.

1. Download a new MSW and Datasets

2. Replace the ECU.

Electronic control unit

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

U300094

– Unexpected microcontroller reset detected.

Unexpected Operation

– AFS functionallity not available.

– The error is reported after the ECU already recover.

Neutral position is not secured  The application will wait next power cycle to recover.

– BLECU watchdog reset.

Diagnostic Service 14. No additional action is needed.

1. Download a new MSW and Datasets

2. Replace the ECU.

Electronic control unit

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

U300316

– Supply voltage is out of range (less than  UV_UBAT (typical 16V)).

Circuit Voltage Below Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position . The application is waiting for

this error to be solved.

– BLECU is not powered as specified.

Diagnostic Service 14. No additional action is needed.

– Check ECU supply harness and voltage levels.

Battery Power

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

U300317

– Supply voltage is out of range (above OV_UBAT (typical 32V).

Circuit Voltage Above Threshold

– AFS functionallity not available.

– The motors are commanded to move to neutral position . The application is waiting for

this error to be solved.

– BLECU is not powered as specified.

Diagnostic Service 14. No additional action is needed.

– Check ECU supply harness and voltage levels.

Battery Power

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

U100368

More than 28 DTCs are currently set.

Event Information

– Depending on the other DTSs set.

Too many errors present on ECU.

Harnesses failure, power

failure.

Diagnostic Service 14. No additional action is needed.

– See action for each DTC.

DTC Notification Max Limit Reached

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