
Volkswagen Golf 2017
Volkswagen Golf 2018 – Intermittent Loss of Gears and Transmission Warning Light in Southampton
The Volkswagen Golf was experiencing intermittent loss of gears, accompanied by the transmission warning light. A diagnostic fault code was recorded: P1735 –…
The fault
The Volkswagen Golf was experiencing intermittent loss of gears, accompanied by the transmission warning light. A diagnostic fault code was recorded: P1735 – Position Sensor for Clutch 1 Electrical Malfunction
Diagnosis
The vehicle was initially assessed with a test drive to reproduce and assess the reported gearbox fault. A computer diagnostic was then carried out, which identified fault code P1735 – Position Sensor for Clutch 1 Electrical Malfunction. The diagnostic findings indicated an issue associated with the clutch position sensor within the mechatronic system.
Repair process
To rectify the fault, the gearbox mechatronic unit was removed and refitted. The mechatronic unit was then repaired. The repair process also included: New transmission oil Mechatronic refitting New programming
Tests & Handover
Following completion of the repair, all gears were tested during a road test. The vehicle was tested with both a cold and hot engine to confirm the operation of the transmission under different operating conditions. The vehicle was returned after the gearbox operation and gear selection had been tested. Warranty: 6 months warranty for fault code P1735 – Position Sensor for Clutch 1 Electrical Malfunction.
Gallery

Repair summary
- Vehicle:
- Volkswagen Golf 2017
- Problem:
- The Volkswagen Golf was experiencing intermittent loss of gears, accompanied by the transmission warning light.
- Diagnosis:
- The vehicle was initially assessed with a test drive to reproduce and assess the reported gearbox fault.
- Repair:
- To rectify the fault, the gearbox mechatronic unit was removed and refitted.
- Result:
- Following completion of the repair, all gears were tested during a road test.
- Location:
- Southampton, Hampshire · BMS Garage
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