Tiptronic System G100, G101, G102, G110
P1748Control solenoid valve for shifting pressure
Fault states are detected in the wiring, the output stage and the valve itself.
Diagnosis conditions
- Vehicle is driven with gear changes
Possible fault cause
- Short circuit to B+/ground or open circuit
- Control solenoid valve for shifting pressure is faulty
- Tiptronic control module is faulty
Affected pins
Connector A: Pin 37 and pin 38
Diagnosis/troubleshooting
