The seven-speed wet-clutch DQ381 0GC uses integrated sensing and hydraulic control. P1735 and P1736 can be associated with clutch-position plausibility, but external circuits and voltage must be verified first.
Symptoms
- Transmission warning
- Loss of a clutch or gear group
- Emergency mode
- Position values implausible or dropping out
- Basic settings fail
- Fault may be temperature-related
External Checks
Battery, charging voltage, fuses, loaded power and earth, connectors, harness and CAN communication are checked before the internal sensor is condemned.
Live Data
Commanded and actual clutch position, movement quality, pressure, temperature and freeze-frame data help confirm the fault.
Repair Path
If external systems are correct and the internal signal is proven faulty, mechatronic repair or replacement, coding and adaptations may be required.
DSG faults should be diagnosed from the complete evidence: gearbox identity, fault history, electrical supply, hydraulic and clutch data, mechanical condition and the circumstances in which the problem occurs.
Related DSG Repair Information
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