—————————————————————————————————————-
U300004
Main algorithm has detected an error in an internal signal
System Internal Failures
N.A. – System behaviour determined by other DTC
Internal torque and angle sensor error
Diagnostic Service 14. No additional action is needed.
Replace VDS.
Electronic control unit
Node
DTC ISO
FailureEvent
FTB_Name
FunctBehaviorDesc
PossibleRootCause
ProcedureEraseConfirmedDtc
ProposedWorkshopAction
ProprietaryName
—————————————————————————————————————-
U300041
Faulty SW and/or Data Checksum Failure (invalid signature or
checksum).
General Checksum Failure
VDS electrical motor disengaged. Power steering via hydraulics.
Invalid SW and/or Data downloaded
Diagnostic Service 14. No additional action is needed.
1. Download new SW
2. Replace VDS
Electronic control unit
—————————————————————————————————————-
U300044
RAM error
Data Memory Failure
VDS electrical motor disengaged. Power steering
via hydraulics.
RAM has been corrupted
Diagnostic Service 14. No additional action is needed.
Replace VDS.
Electronic control unit
—————————————————————————————————————-
U300045
NVRAM/ROM Error
Program Memory Failure
VDS electrical motor disengaged. Power steering via hydraulics.
1.CRC check mismatch occurs
2.Write to NVRAM
fails
3 . ECU detects a
ROM memory failure
Diagnostic Service 14. No additional action is needed.
1. Download new SW
2. Replace VDS
Electronic control unit
—————————————————————————————————————-
U300046
EEPROM failure
Calibration / Parameter Memory Failure
VDS electrical motor disengaged. Power steering
via hydraulics.
1.Read and write error
2. CRC check error
Diagnostic Service 14. No additional action is needed.
1. Download new SW
2. Replace VDS
Electronic control unit
—————————————————————————————————————-
U300049
All types of internal faults that are not memory related (this includes also slave processors)
Internal Electronic Failure
VDS electrical motor disengaged. Power steering via hydraulics.
– Torque/Angle Sensor short circuit battery or open circuit
– Torque/Angle
Sensor short circuit ground
– FAS internal CAN communication Alive/sequence counter incorrect
– Error in A/D HW
Diagnostic Service 14. No additional action is needed.
Replace VDS.
Electronic control unit
—————————————————————————————————————-
U30004B
PCB over temperature > 110 deg C
Over Temperature
VDS electrical motor disengaged. Power steering via hydraulics.
– Steering gear malfunction.
– Steering gear high
oil temp
Diagnostic Service 14. No additional action is needed.
1. Clean VDS externally if dirty.
2 . Check steering gear malfunction.
3. Replace VDS.
Electronic control unit
—————————————————————————————————————-
U300054
Processor calibration not performed
Missing Calibration
VDS electrical motor disengaged. Power steering via hydraulics.
Necessary information missing on NC or DSP processor
Diagnostic Service 14. No additional action is needed.
Replace VDS.
Electronic control unit
—————————————————————————————————————-
U300061
Main algorithm has detected a calculation error.
Signal Calculation Failure
N.A. – System behaviour determined by other DTC.
Could be caused by either an ECU internal error or an ECU external error
Diagnostic Service 14. No additional action is needed.
1. Check chassi CAN for fault codes on other nodes that could explain the behaviour.
2. Perform front wheel alignment (incl. calibration of VDS motor angle offset).
3. Replace VDS
Electronic control unit
—————————————————————————————————————-
U300064
Actual motor torque supervision – Discrepancy between requested motor torque and actual motor torque.
Signal Plausibility Failure
VDS electrical motor disengaged. Power steering via hydraulics.
Electrical motor malfunction.
Diagnostic Service 14. No additional action is needed.
Replace VDS
Electronic control unit
—————————————————————————————————————-
U300068
Failsafe mode is entered due to a serious error. DTC readout is needed to get the serious error causing failsafe
mode.
Event Information
VDS electrical motor disengaged. Power steering via hydraulics.
DTC readout is needed to get the error causing failsafe mode
Diagnostic Service 14. No additional action is needed.
1. If no other DTC: Calibrate torque offset compensation on existing VDS.
2. N.A. – Service action determined by other DTC.
Electronic control unit
—————————————————————————————————————-
U300092
Main algorithm has detected a condition leading to an abnormal torque to the electrical motor.
Performance or Incorrect Operation
Possibly unnormal steering feel (other than motor disengaged or degraded mode)
– Wrong front wheel alignment
– Flatted tyre
– Wrong calibration
of electrical motor
– or other external
error
Diagnostic Service 14. No additional action is needed.
N/A – Service action determined by other DTC
Electronic control unit
Node
DTC ISO
FailureEvent
FTB_Name
FunctBehaviorDesc
PossibleRootCause
ProcedureEraseConfirmedDtc
ProposedWorkshopAction
ProprietaryName
—————————————————————————————————————-
U300094
Faulty operation (this includes also slave processors)
U nexpected
operation of type:
1.
unexpected reset due to null pointer reference
2 . division
by zero
3 .
watchdog failure
Unexpected Operation
VDS electrical motor disengaged. Power steering via hydraulics.
Software error (division by zero, null pointer reference, etc)
Diagnostic Service 14. No additional action is needed.
Replace VDS.
Electronic control unit
—————————————————————————————————————-
U300098
Hydraulic servo probably
overheating
Component or System Over Temperature
Degraded Mode (Max torque N/A)
Failure in hydraulic servo or extensive steering at low
speeds.
Diagnostic Service 14. No additional action is needed.
1. Clean VDS externally if dirty.
2 . Check steering gear malfunction.
3 . Replace VDS.
Electronic control unit
—————————————————————————————————————-
U002868
A critical signal on Chassis CAN have been timed-out or have its error value
set.
Event Information
N.A. – System behaviour determined by other DTC.
Probably failure in another ECU.
Diagnostic Service 14. No additional action is needed.
1. Check chassi CAN for fault codes on other nodes that could explain the behaviour.
2. Replace VDS.
CAN Communication Chassis Net
—————————————————————————————————————-
U002888
Bus off error occurred on Chassis CAN.
Bus off
VDS electrical motor disengaged. Power steering via hydraulics.
Short circuit on CAN cables (CAN High and/or CAN Low).
Diagnostic Service 14. No additional action is needed.
1. Check chassi subnet
2 . Replace VDS.
CAN Communication Chassis Net
—————————————————————————————————————-
U114106
Main algorithm has detected a critical fault causing failsafe mode.
Algorithm Based Failures
VDS electrical motor disengaged. Power steering via hydraulics.
– Either an internal ECU error or ECU external error.
– Check other
failure codes from this unit to determine the root cause.
Diagnostic Service 14. No additional action is needed.
N.A. – Service action determined by other DTC
Electronic Control Unit Degraded Mode
—————————————————————————————————————-
U114168
Main algorithm has set unit to degraded mode. N.B. This DTC is no longer used!
Event Information
N.B. This DTC is no longer used! Possibly unnormal steering feel (other than motor disengaged or degraded mode).
N.B. This DTC is no longer used!
Diagnostic Service 14. No additional action is needed.
N/A
Electronic Control Unit Degraded Mode
—————————————————————————————————————-
U1FFF68
Factory Mode is active.
Event Information
VDS in factory mode (for example VDS electrical motor disengaged).
Parameter FactoryModeActive is set to True.
Diagnostic Service 14. No additional action is needed.
Shut off factory mode.
Factory Mode Active
—————————————————————————————————————-
U300316
ECU voltage below 14 V
Circuit Voltage Below Threshold
VDS electrical motor disengaged. Power steering via hydraulics.
Broken power lines.
Diagnostic Service 14. No additional action is needed.
1. Check voltage supply to VDS unit.
2. Replace VDS.
Battery Power
—————————————————————————————————————-
U300317
ECU voltage above 37 V
Circuit Voltage Above Threshold
VDS electrical motor
disengaged. Power steering via hydraulics.
BatteryPower, lines, Fuse (FAS generates power)
Diagnostic Service 14. No additional action is needed.
1. Check voltage supply to VDS unit.
2. Replace VDS.
Battery Power
—————————————————————————————————————-
C100016
Electrical Motor supply voltage too low i.e below 13.5 V
Circuit Voltage Below Threshold
VDS electrical motor disengaged. Power steering via hydraulics.
Broken power lines.
Blown fuse.
Diagnostic Service 14. No additional action is needed.
1. Check voltage supply to VDS unit.
2. Replace VDS.
Front Active Steering Electrical Motor
—————————————————————————————————————-
C100017
ECU voltage above 37 V
Circuit Voltage Above Threshold
VDS electrical motor disengaged. Power steering via hydraulics.
– Battery
– Power cables
– FAS generates
power
Diagnostic Service 14. No additional action is needed.
1. Check voltage supply to VDS unit.
2. Replace VDS.
Front Active Steering Electrical Motor
—————————————————————————————————————-
C100019
Motor overload – the average motor current consumption too high (> 130 deg C, calculated value).
Circuit Current Above Threshold
VDS electrical motor disengaged. Power steering via hydraulics.
– Steering Gear malfunction.
– Steering column
(for example excessive friction).
Diagnostic Service 14. No additional action is needed.
1. Clean VDS externally if dirty.
2 . Check steering gear malfunction.
3. Replace VDS.
Front Active Steering Electrical Motor
Node
DTC ISO
FailureEvent
FTB_Name
FunctBehaviorDesc
PossibleRootCause
ProcedureEraseConfirmedDtc
ProposedWorkshopAction
ProprietaryName
—————————————————————————————————————-
C10001C
Electrical motor supply voltage out of range that do not constitute disengagement of FAS motor (below 16 V or above 35 V).
Circuit Voltage Out of Range
Degraded Mode (Max torque N/A).
– Battery
– Power cables
Diagnostic Service 14. No additional action is needed.
1. Check voltage supply to VDS unit.
2. Replace VDS.
Front Active Steering Electrical Motor
—————————————————————————————————————-
C10001D
Motor minor overload – the average motor current consumption too high (> 120 deg C,
calculated value).
Circuit Current Out of Range
Degraded Mode (Max torque N/A)
– Steering Gear malfunction.
– Steering column
(for example excessive friction)
Diagnostic Service 14. No additional action is needed.
1. Clean VDS externally if dirty.
2 . Check steering gear malfunction.
3. Replace VDS.
Front Active Steering Electrical Motor
—————————————————————————————————————-
C10004B
Electrical motor critical over temperature (> 110 deg C).
Over Temperature
VDS electrical motor disengaged. Power steering via hydraulics.
Steering Gear malfunction.
Steering gear high
oil temp.
Steering column (for
example excessive friction)
Diagnostic Service 14. No additional action is needed.
1. Clean VDS externally if dirty.
2. Check steering gear malfunction.
3. Replace VDS.
Front Active Steering Electrical Motor
—————————————————————————————————————-
C100098
Electrical motor minor over temperature (> 100 deg C) or temp sensor broken.
Component or System Over Temperature
Degraded Mode (Max torque N/A)
Steering Gear malfunction.
Steering gear high
oil temp.
S teering column (for
example excessive friction)
Diagnostic Service 14. No additional action is needed.
1. Clean VDS externally if dirty.
2 . Check steering gear malfunction.
3. Replace VDS.
Front Active Steering Electrical Motor
—————————————————————————————————————-
C100364
Comparison of the two “redundant” torque sensor inputs failed.
Signal Plausibility Failure
VDS electrical motor disengaged. Power steering via hydraulics.
Torque sensor error.
Diagnostic Service 14. No additional action is needed.
Replace VDS
Front Active Steering Failsafe Signal Circuit
—————————————————————————————————————-
C100254
Angle offset calibration not performed.
Missing Calibration
Possibly unnormal steering feel (other than motor disengaged or degraded
mode)
Angle offset calibration not performed
Diagnostic Service 14. No additional action is needed.
1. Calibrate motor angle offset on existing VDS.
2. Replace VDS
Front Active Steering Angle Sensor
—————————————————————————————————————-
C100262
ECU internal angle sensor sector mismatch against chassis CAN steering wheel angle signal.
Signal Compare Failure
VDS electrical motor disengaged. Power steering via hydraulics.
– ECU internal angle sensor error
– External steering
wheel angle signal missing
– External steering
wheel angle signal error
Diagnostic Service 14. No additional action is needed.
1. Check SAS steering wheel angle available.
2. Perform front wheel alignment (incl. calibration of VDS motor angle offset).
3 . Replace VDS.
Front Active Steering Angle Sensor
—————————————————————————————————————-
C100264
Comparison of the two “redundant” angle inputs failed.
Signal Plausibility Failure
VDS electrical motor disengaged. Power steering via hydraulics.
Angle sensor error.
Diagnostic Service 14. No additional action is needed.
Replace VDS.
Front Active Steering Angle Sensor
—————————————————————————————————————-
C100154
TOC (Torque Offset Compensation) calibration missing or faulty.
Missing Calibration
Possibly unnormal steering feel (other than motor disengaged or degraded mode)
TOC (Torque Offset Compensation) calibration missing or faulty.
Diagnostic Service 14. No additional action is needed.
1. Calibrate torque offset compensation on existing VDS.
2 . Replace VDS.
Front Active Steering Torque Sensor
—————————————————————————————————————-
C100164
Comparison of the two “redundant” torque inputs failed.
Signal Plausibility Failure
VDS electrical motor disengaged. Power steering via hydraulics.
Torque sensor error.
Diagnostic Service 14. No additional action is needed.
Replace VDS.
Front Active Steering Torque Sensor