Possible fault cause
- DME control module faulty
Diagnosis/troubleshooting
NOTE: If no fault is present, erase the fault memory.
Tiptronic System G43
P0603
49, Control module faulty (EEPROM)
Diagnosis conditions
- Ignition on
Possible fault cause
- Tiptronic control module is faulty
Diagnosis/troubleshooting
DME 7.8
P0604
406 Control module faulty (RAM) - signal implausible
Diagnosis conditions
- Ignition on
Possible fault cause
- DME control module faulty
Diagnosis/troubleshooting
NOTE: If no fault is present, delete the fault memory.