DTC |
Description |
Possible causes |
Action |
B1A5911 |
Sensor 5 volt supply (high line) |
- Sensor 5 volt supply: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A5913 |
Sensor 5 volt supply (high line) |
- Sensor 5 volt supply: high resistance
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6111 |
In-vehicle temperature sensor signal |
- In-vehicle temperature sensor signal: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6115 |
In-vehicle temperature sensor signal |
- In-vehicle temperature sensor signal: high resistance
- In-vehicle temperature sensor signal: short circuit to power
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6211 |
Refrigerant pressure sensor signal |
- Refrigerant pressure sensor signal: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6215 |
Refrigerant pressure sensor signal |
- Refrigerant pressure sensor signal: short circuit to power
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6312 |
Right-hand solar sensor signal |
- Right-hand solar sensor signal: short circuit to 5 volts
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6412 |
Left-hand solar sensor signal |
- Left-hand solar sensor signal: short circuit to 5 volts
|
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 guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6811 |
Ambient air temperature sensor signal |
- Ambient air temperature sensor signal: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6815 |
Ambient air temperature sensor signal |
- Ambient air temperature sensor signal: high resistance
- Ambient air temperature sensor signal: short circuit to 5 volts
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6911 |
Humidity sensor signal |
- Humidity sensor signal: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A6915 |
Humidity sensor signal |
- Humidity sensor signal: high resistance
- Humidity sensor signal: short circuit to power
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1A7001 |
Compressor solenoid valve |
- Compressor solenoid valve power circuit: short circuit to ground
- Compressor solenoid valve power circuit: short circuit to power
- Compressor solenoid valve: over temperature
|
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 temperature 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 temperature sensor and circuit. Refer to the
electrical guides. |
B1A7318 |
Left-hand seat heater power supply |
- Left-hand seat heater power supply: high resistance
- Left-hand seat heater power supply: short circuit to ground
|
|
B1A7418 |
Right-hand seat heater power supply |
- Right-hand seat heater power supply: current below threshold
|
|
B1A9815 |
Front LIN bus circuit |
- LIN bus: high resistance
- LIN bus: short circuit to power
|
Check the LIN circuits. Refer to the electrical guides.
|
B1B6013 |
Feedback potentiometer circuit |
- Feedback potentiometer circuit: high resistance
|
Check the feedback potentiometer circuits. Refer to the
electrical guides. |
B1B6111 |
Pollution sensor HC/CO signal |
- Pollution sensor HC/CO signal: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B6211 |
Pollution sensor Nox signal |
- Pollution sensor Nox signal: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B6313 |
Sensor ground |
- Sensor ground: high resistance
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B6511 |
Left-hand seat heater temperature signal |
- Left-hand seat heater temperature signal: short circuit to ground
|
|
B1B6515 |
Left-hand seat heater temperature signal |
- Left-hand seat heater temperature signal: high resistance
- Left-hand seat heater temperature signal: short circuit to power
|
|
B1B6611 |
Right-hand seat heater temperature signal |
- Right-hand seat heater temperature signal: short circuit to ground
|
|
B1B6615 |
Right-hand seat heater temperature signal/power supply |
- 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
|
|
B1B6711 |
Recirculation motor signal (intake air motor) |
- Recirculation motor signal: short circuit to ground
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B6715 |
Recirculation motor signal (intake air motor) |
- Recirculation motor signal: high resistance
- Recirculation motor signal: short circuit to power
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B6801 |
Recirculation motor power/ground |
- Recirculation motor fault
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B7015 |
LIN bus circuit |
- LIN bus: high resistance
- LIN bus: short circuit to power
|
Check the LIN circuits. Refer to the electrical guides.
|
B1B7088 |
LIN bus/pollution sensor/rear air conditioning control panel
ground |
- 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
|
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
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B7211 |
Front LIN bus power supply |
- LIN bus power supply circuit: short circuit to ground
|
Check the LIN circuits. Refer to the electrical guides.
|
B1B7311 |
Rear LIN bus power supply |
- LIN bus power supply circuit: short circuit to ground
|
Check the LIN circuits. Refer to the electrical guides.
|
B1B7400 |
Front foot/defrost actuator |
- Actuator mechanical fault
- Actuator overheating
- Actuator circuit: high resistance
- Actuator circuit: short circuit
- Actuator power failure
|
Check for mechanical faults (see visual inspection). Refer
to the guided diagnostic routine for this code on the approved diagnostic
system. |
B1B7449 |
Front foot/defrost actuator |
|
Refer to the guided diagnostic routine for this code on the
approved diagnostic system. |
B1B7700 |
Front right air blend actuator |
- Actuator mechanical fault
- Actuator overheating
- Actuator circuit: high resistance
- Actuator circuit: short circuit
- Actuator power failure
|
Check for mechanical faults (see visual inspection). Refer
to the guided diagnostic routine for this code on the approved diagnostic
system. |
B1B7749 |
Front right air blend 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.
|
B1B7885 |
System pressure |
- Pressure signal above allowable range
- Condenser fault
- Cooling fan fault
|
Check the air conditioning system.
Check the cooling fan function. |
U007388 |
Medium speed CAN bus |
- CAN bus: short circuit to power
|
Check the CAN circuits. Refer to the electrical guides.
|
U030055 |
Medium speed CAN bus |
- 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 |
Medium speed CAN bus |
- 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.
|