| DTC |
Description |
Possible cause(s) |
Action |
| B1A0016 |
Control Module |
- Battery voltage low
- Battery ground cable high resistance
- Battery connections loose/corroded
- Battery current drain
|
Check the battery condition and state of charge. Refer to
the relevant section of the workshop manual. Check the module power and
ground circuits. Refer to the electrical guides. |
| B1A0017 |
Control Module |
- Control module circuit voltage above threshold
- Battery voltage high (overcharging)
- Control module circuit Short circuit to power
|
Check the battery condition and state of charge. Refer to
the relevant section of the workshop manual. Check the module power and
ground circuits. Refer to the electrical guides. |
| B1A0046 |
Control module |
- Calibration/Parameter memory failure
|
Configure the module using the approved diagnostic system.
Refer to the warranty policy and procedures manual if a module is suspect.
|
| B1A0048 |
Control module |
- Supervision software error
|
Configure the module using the approved diagnostic system.
Refer to the warranty policy and procedures manual if a module is suspect.
|
| B1A004B |
Control module |
- Control module over temperature
|
Consider the atmospheric conditions before condemning a
module. Clear the DTC and retest. Refer to the warranty policy and
procedures manual if a module is suspect. |
| B1A1496 |
RCM Warning Lamp |
|
Check the warning lamp function. Check the circuits between
the RCM and the instrument cluster. Refer to the electrical guides. |
| B1A7592 |
Fuel Sender No.1 |
- Fuel level sender circuit short circuit to ground, short circuit to
power, high resistance
- Fuel level sender failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A7692 |
Fuel Sender No.2 |
- Fuel level sender circuit short circuit to ground, short circuit to
power, high resistance
- Fuel level sender failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A7864 |
Front Fog Lamp |
- Front fog lamp signal circuit short circuit to ground, short circuit
to power, high resistance
- Front fog lamp switch failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A7964 |
Rear Fog Lamp |
- Rear fog lamp signal circuit short circuit to ground, short circuit
to power, high resistance
- Rear fog lamp switch failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A8064 |
Oil Pressure |
- Oil pressure signal circuit short circuit to ground, short circuit
to power, high resistance
- Oil pressure switch failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A8164 |
Internal Trip Switch |
- Signal plausibility failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A8264 |
External Trip Switch |
- External trip switch, signal circuit short circuit to ground, short
circuit to power, high resistance
- External trip switch failure
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A8446 |
Car Configuration Data |
- Calibration/parameter memory failure
|
Configure the module using the approved diagnostic system.
Refer to the warranty policy and procedures manual if a module is suspect.
|
| B1A8664 |
Ignition status |
- Signal plausibility failure
|
Check the ignition status. Check for ignition related DTCs.
|
| B1A8768 |
Battery Disconnection / ECU Reset |
- Event information Battery supply interrupt has occurred
|
Check if the vehicle has been jump-started. Check the
battery condition and state of charge. Refer to the relevant section in
the workshop manual. |
| B1A8849 |
System timer |
- Internal electronic failure The pack has detected a fault with the
real time clock
|
Refer to the warranty policy and procedures manual if a
module is suspect. |
| U000187 |
High Speed CAN Communication Bus |
|
Refer to the Network Communications section of the workshop
manual. |
| U000188 |
High Speed CAN Communication Bus |
- High speed CAN communication Bus (CAN Bus Off)
|
Refer to the Network Communications section of the workshop
manual. |
| U001087 |
Medium Speed CAN Communication Bus |
|
Refer to the Network Communications section of the workshop
manual. |
| U001088 |
Medium Speed CAN Communication Bus |
|
Refer to the Network Communications section of the workshop
manual. |
| U010087 |
Lost Communication With ECM/PCM "A" |
- CAN Link instrument cluster/Engine control module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U010187 |
Lost Communication with TCM |
- CAN Link instrument cluster/Transmission control module missing
message
|
Refer to the Network Communications section of the workshop
manual. |
| U010287 |
Lost Communication with Transfer Case Control Module |
- CAN Link instrument cluster/transfer box control module missing
message
|
Refer to the Network Communications section of the workshop
manual. |
| U010487 |
Lost Communication With Cruise Control Module |
- CAN Link instrument cluster/speed control module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U012287 |
Lost Communication With Vehicle Dynamics Control Module |
- CAN Link instrument cluster/ABS module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U012687 |
Lost Communication With Steering Angle Sensor Module |
- CAN Link instrument cluster/SAS missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U012787 |
Lost Communication With Tire Pressure Monitor Module |
- CAN Link instrument cluster/TPMS module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U012887 |
Lost Communication With Park Brake Control Module |
- CAN Link instrument cluster/parking brake control module missing
message
|
Refer to the Network Communications section of the workshop
manual. |
| U013287 |
Lost Communication With Suspension Control Module "A" |
- CAN Link instrument cluster/air suspension control module missing
message
|
Refer to the Network Communications section of the workshop
manual. |
| U013387 |
Lost Communication With Active Roll Control Module |
- CAN Link instrument cluster/active stabilization system missing
message
|
Refer to the Network Communications section of the workshop
manual. |
| U013687 |
Lost Communication With Differential Control Module - Rear
|
- CAN Link instrument cluster/electronic rear differential control
module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U013887 |
Lost Communication with All Terrain Control Module |
- CAN Link instrument cluster/terrain response control module missing
message
|
Refer to the Network Communications section of the workshop
manual. |
| U014087 |
Lost Communication With Body Control Module |
|
Refer to the Network Communications section of the workshop
manual. |
| U015187 |
Lost Communication With Restraints Control Module |
- CAN Link instrument cluster/RCM missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U015987 |
Lost Communication With Parking Assist Control Module "A"
|
- CAN Link instrument cluster/parking aid module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U016487 |
Lost Communication With HVAC Control Module |
- CAN Link instrument cluster/ATC module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U016687 |
Lost Communication With Auxiliary Heater Control Module |
- CAN Link instrument cluster/auxiliary heater control module missing
message
|
Refer to the Network Communications section of the workshop
manual. |
| U018287 |
Lost Communication With Lighting Control Module - Front |
- CAN Link instrument cluster/AFS control module missing message
|
Refer to the Network Communications section of the workshop
manual. |
| U018487 |
Lost Communication With Radio |
- CAN Link instrument cluster/ACM missing message
|
Refer to the Network Communications section of the workshop
manual. |