Fault Code 1177

Fault code 1177

DME control module (immobiliser status)

Diagnostic conditions
- Internal KESSY control module function test

Possible cause of fault
- Implausible signal (release request of DME for immobiliser is invalid)
- DME control module not adapted
- Incorrect DME control module installed
- DME control module faulty
- KESSY control module faulty

Affected pins
KESSY control module plug A:
- Pin 21 'CAN drive (low)'
- Pin 22 'CAN drive (high)'

Diagnosis/troubleshooting