Fault Code 25

Fault code 25

Supply voltage (5 V) - too high/ too low

Diagnostic conditions
- Ignition on

NOTE: No control module fault stored

Possible cause of fault
- Short circuit to voltage/ground or open circuit in the wiring between the air-conditioning system regulator and the four flap motors.
- Air-conditioning system regulator faulty

Affected terminals
Plug B, terminals 9 and 20

Diagnosis/troubleshooting

Diagnosis/troubleshooting (Part 1):

Diagnosis/troubleshooting (Part 2):