Fault Code 25

Fault Code 25

Supply Voltage Sensors (5 V) - Too High/Too Low/Short Circuit To B+/Ground Short

Diagnostic conditions
- Ignition on
- No control module fault stored

Possible cause of fault
- Short circuit to B+/ground/between one another or open circuit in the wiring between the air-conditioning system regulator and the four flap sensors
- one of the four flap servo motors faulty
- Air-conditioning system regulator faulty

Affected pins
Connector B, pin 9 and pin 20

Diagnosis/troubleshooting

Work Instruction 1 - 4:

Work Instruction 5 - 7:

Work Instruction 8 - 13: