Level Control

Fault Code 1577

Overtemperature

Diagnostic conditions

- Ignition on
- Internal level control module function test

Possible cause of fault

- The compressor switches off as a result of overtemperature (upper limit is exceeded)
- Compressor temperature sensor faulty
- Level control module faulty

Affected pins

Level control module, plug B:
- Pin 85 'temperature sensor'
- Pin 93 'temperature sensor ground'

Level control system compressor, plug A:
- Pin 3 'temperature sensor'
- Pin 4 'temperature sensor ground'

Diagnosis/troubleshooting

Compressor temperature