With P0604
P06020Diagnostic information - Tiptronic
Tiptronic control unit faulty
Diagnostic conditions
The control unit must be active in order to test internal function sequences and diagnosable inputs/outputs.
In the event of a fault, check whether the fault is permanently >present<. To perform the check, erase the fault memory, meet the diagnostic conditions and read out the fault memory again.
- Ignition on
- Internal control unit function test
Possible fault causes
- Internal system fault, limited functionality (Tiptronic control unit faulty)
Fault effects
- Limp-home mode 3