Work Instruction 16 - 21
NOTE: Before troubleshooting, read out the fault memory of the DME, Tiptronic and instrument cluster, and remedy any faults present.
Fault Code 5521
Fault Code 5521
Incorrect Data Exchange By The DME
Diagnostic conditions
- Engine running
Possible cause of fault
- Fault in data exchange with the DME
Diagnosis/troubleshooting
NOTE: Erase fault memory and carry out test drive.
Fault Code 5522
Fault Code 5522
No CAN Message 1 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