Fault Code 5523

Fault Code 5523

No CAN message 2 sent by DME
No CAN message from the DME control unit

Diagnostic conditions
- Ignition on

Possible cause of fault
- Open circuit in CAN drive lines
- DME control unit faulty

Affected pins
Pin 24 and pin 40

Diagnosis/troubleshooting

Before troubleshooting, read out the fault memory of the DME control unit and remedy any faults present.