P1530

P1530

Diagnosis information - DME V8 DFI

Time information via CAN missing

NOTE:
- The DME (DFI) control unit receives time information from the instrument cluster at regular intervals (approx. 4 sec.) when the ignition is on.
- The fault is detected if the time information remains unchanged for longer than 60 seconds.

Diagnostic conditions
- Engine running
- then switch off engine
- Then switch on ignition for > 70 seconds
- Instrument cluster ready for operation
- No detection of CAN fault

Possible fault causes
- Wrong software version in DME (DFI) control unit (e.g. US data for EU4 vehicle)
- Wrong software version in gateway
- Wrong software version in instrument cluster
- Instrument cluster faulty