| DTC |
Description |
Possible causes |
Action |
| B1A5911 |
Sensor 5 Volt Supply |
- Ambient air temperature sensor 5 volt supply short circuit to ground
|
Refer to the electrical guide and check the ambient air
temperature sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A5913 |
Sensor 5 Volt Supply |
- Ambient air temperature sensor 5 volt supply high resistance
|
Refer to the electrical guide and check the ambient air
temperature sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6111 |
Cabin Temperature Sensor |
- Ambient air temperature sensor signal short circuit to ground
|
Refer to the electrical guide and check the ambient air
temperature sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6115 |
In-Vehicle Temperature Sensor Signal |
- Ambient air temperature sensor signal high resistance
- In-vehicle temperature sensor signal short circuit to power
|
Refer to the electrical guide and check the ambient air
temperature sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6211 |
Pressure Sensor |
- A/C refrigerant pressure sensor signal short circuit to ground
|
Refer to the electrical guide and check the pressure sensor
circuit. Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A6215 |
Pressure Sensor |
- A/C refrigerant pressure sensor signal short circuit to power
|
Refer to the electrical guide and check the pressure sensor
circuit. Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1A6312 |
Right Solar Sensor |
- Right-hand solar sensor signal short circuit to 5 volts
|
Refer to the electrical guides and check the right-hand
sunlight sensor sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6412 |
Left Solar Sensor |
- Left-hand solar sensor signal short circuit to 5 volts
|
Refer to the electrical guides and check the left-hand
sunlight sensor sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6713 |
Sensor Ground |
- Sensor ground circuit high resistance
|
Refer to the electrical guide and check the ambient air
temperature sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6811 |
Ambient Temperature Sensor |
- Ambient air temperature sensor signal short circuit to ground
|
Refer to the electrical guide and check the ambient air
temperature sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6815 |
Ambient Temperature Sensor |
- Ambient air temperature sensor signal high resistance
- Ambient air temperature sensor signal short circuit to 5 volts
|
Refer to the electrical guides and check the ambient air
temperature sensor circuit. Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1A6911 |
Humidity Sensor |
- Humidity sensor signal short circuit to ground
|
Refer to the electrical guides and check the
humidity/temperature sensor circuit. Refer to the guided diagnostic
routine for this code on the approved diagnostic system. |
| B1A6915 |
Humidity Sensor |
- Humidity sensor signal high resistance
- Humidity sensor signal short circuit to power
|
Refer to the electrical guides and check the
humidity/temperature sensor circuit. Refer to the guided diagnostic
routine for this code on the approved diagnostic system. |
| B1A7001 |
Compressor Solenoid +ve Supply |
- Refrigerant solenoid valve power circuit short circuit to ground
- Refrigerant solenoid valve power circuit short circuit to power
- Refrigerant solenoid valve over temperature
|
Refer to the electrical guides and check the refrigerant
solenoid circuit. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. |
| B1A7111 |
Air Off Temperature Sensor |
- Air off temperature sensor circuit short circuit to ground
|
Check the air off sensor and circuit. Refer to the
electrical guides. |
| B1A7115 |
Air off temperature sensor |
- Air off temperature sensor circuit short circuit to power
- Air off temperature sensor circuit high resistance
|
Check the air off sensor and circuit. Refer to the
electrical guides. |
| B1A7318 |
Left Hand Seat Heater |
- Left-hand seat heater power supply high resistance
- Left-hand seat heater power supply short circuit to ground
|
Check the left-hand seat heater switch and circuit. Refer to
the electrical guides. |
| B1A7418 |
Right Hand Seat Heater |
- Right-hand seat heater power supply current below threshold
|
Check the right-hand seat heater switch and circuit. Refer
to the electrical guides. |
| B1A9815 |
LIN Bus Circuit #1 |
- LIN bus high resistance
- LIN bus short circuit to power
|
Check the LIN circuits. Refer to the electrical guides.
|
| B1B6013 |
Feedback Potentiometer Circuit |
- Air intake stuck in one position
- Feedback potentiometer circuit high resistance
|
Check the feedback potentiometer/air temperature mode motor
circuits. Refer to the electrical guides. |
| B1B6111 |
Pollution Sensor HC Input Circuit |
- Pollution sensor HC/CO signal short circuit to ground
|
Check the pollution sensor circuit. Refer to the electrical
guides. Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1B6211 |
Pollution Sensor - NOx |
- Pollution sensor Nox signal short circuit to ground
|
Check the pollution sensor NOx circuit. Refer to the
electrical guides. Refer to the guided diagnostic routine for this code on
the approved diagnostic system. |
| B1B6313 |
Feedback Potentiometer Ground Circuit |
- Sensor ground high resistance
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1B6511 |
Left Hand Seat Heater Temperature Sensor |
- Left-hand seat heater temperature signal short circuit to ground
|
Check the seat heater temperature signal circuit. Refer to
the electrical guides. Refer to the relevant section of the workshop
manual. |
| B1B6515 |
Left Hand Seat Heater Temperature Sensor |
- Left-hand seat heater temperature signal high resistance
- Left-hand seat heater temperature signal short circuit to power
|
Check the seat heater temperature signal circuit. Refer to
the electrical guides. Refer to the relevant section of the workshop
manual. |
| B1B6611 |
Right Hand Seat Heater Temperature Sensor |
- Right-hand seat heater temperature signal short circuit to ground
|
Check the seat heater temperature signal circuit. Refer to
the electrical guides. Refer to the relevant section of the workshop
manual. |
| B1B6615 |
Right Hand Seat Heater Temperature Sensor |
- Right-hand seat heater temperature signal high resistance
- Right-hand seat heater temperature signal short circuit to power
- Right-hand seat heater power supply high resistance
- Right-hand seat heater power supply short circuit to ground
|
Check the seat heater temperature signal circuit. Refer to
the electrical guides. Refer to the relevant section of the workshop
manual. |
| B1B6711 |
Air Intake Servo Potentiometer Circuit |
- Recirculation motor signal short circuit to ground
|
Check the intake air motor circuit. Refer to the electrical
guides. Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1B6715 |
Air Intake Servo Potentiometer Circuit |
- Recirculation motor signal high resistance
- Recirculation motor signal short circuit to power
|
Check the intake air motor circuit. Refer to the electrical
guides. Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1B6801 |
Air Intake Servo Motor |
- Recirculation motor fault
|
Check the intake air motor circuit. Refer to the electrical
guides. Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1B7015 |
LIN Bus Circuit |
- Rear control panel non functional
- LIN bus high resistance
- LIN bus short circuit to power
|
Check the LIN circuits. Refer to the electrical guides.
|
| B1B7088 |
LIN Bus Circuit |
- LIN bus high resistance
- LIN bus short circuit to ground
- Pollution sensor supply short circuit to power
- Rear air conditioning control panel ground high resistance
- Rear air conditioning control panel ground short circuit to power
|
Check the LIN circuits. Refer to the electrical guides.
|
| B1B7111 |
Evaporator Temperature Sensor |
- Evaporator temperature sensor circuit short circuit to ground
|
Check the evaporator temperature sensor circuit. Refer to
the electrical guides. Refer to the guided diagnostic routine for this
code on the approved diagnostic system. |
| B1B7115 |
Evaporator Temperature Sensor |
- Evaporator temperature sensor circuit short circuit to power
- Evaporator temperature sensor circuit high resistance
|
Check the evaporator temperature sensor circuit. Refer to
the electrical guides. Refer to the guided diagnostic routine for this
code on the approved diagnostic system. |
| B1B7211 |
LIN Bus #1 Power Supply Circuit |
- LIN bus power supply circuit short circuit to ground
|
Check the LIN circuits. Refer to the electrical guides.
|
| B1B7311 |
LIN Bus #2 Power Supply Circuit |
- LIN bus power supply circuit short circuit to ground
|
Check the LIN circuits. Refer to the electrical guides.
|
| B1B7400 |
Foot/Defrost Damper Actuator |
- Actuator mechanical fault
- Actuator overheating
- Actuator circuit high resistance
- Actuator circuit short circuit
- Actuator power failure
|
Check for mechanical faults with the face/feet distribution
motor (see visual inspection). Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1B7449 |
Foot/Defrost Damper Actuator |
|
Check the face/feet distribution motor operation. Refer to
the guided diagnostic routine for this code on the approved diagnostic
system. |
| B1B7700 |
Front Right Air Blend Stepper Actuator |
- Actuator mechanical fault
- Actuator overheating
- Actuator circuit high resistance
- Actuator circuit short circuit
- Actuator power failure
|
Check for the right-hand air temperature motor mechanical
faults (see visual inspection). Refer to the guided diagnostic routine for
this code on the approved diagnostic system. |
| B1B7749 |
Front Right Air Blend Stepper Actuator |
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
| B1B7884 |
System Pressure |
- Pressure signal below allowable range
- Refrigerant leak
|
Check the air conditioning system. Refer to the relevant
section of the workshop manual. |
| B1B7885 |
System Pressure |
- Pressure signal above allowable range
- Condenser fault
- Cooling fan fault
|
Check the air conditioning system and the cooling fan
operation. Refer to the relevant section of the workshop manual. |
| U007388 |
Control Module Communication Bus 'A' Off |
- CAN bus connections short circuit to each other
|
Refer to the Network Communications section of the workshop
manual. |
| U030055 |
Internal Control Module Software Incompatibility |
- CAN bus configuration failure
- CAN bus short circuit to ground
|
Configure the module using the approved diagnostic system.
Check the CAN circuits. Refer to the electrical guides. |
| U1A1449 |
CAN Initialization Failure |
- CAN bus initialization failure
- CAN bus high resistance
|
Configure the module using the approved diagnostic system.
Check the CAN circuits. Refer to the electrical guides.
|