volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Vehicle does not start at all or also starts in "R-D-3-2-1” > < Performance - jolting in neutral or during certain engine and gearbox movements
Engine speed drops when driving range is selected
   
Engine speed drops when driving range is selected
Possible causes of faultRectifying fault
Park/neutral (P/N) signal is not detected by engine control unit.
–  Check P/N signal.
–  To do this, connect a Volkswagen tester → Chapter.
–  Check wiring and connections according to current flow diagram and repair if necessary → Current flow diagrams, Electrical fault finding and Fitting locations.
Engine control unit defective
–  Perform → self-diagnosis on engine control unit guided fault finding
–  To do this, connect a Volkswagen tester → Chapter.
–  Renew engine control unit → Rep. Gr.24.

   

Vehicle does not start at all or also starts in "R-D-3-2-1” > < Performance - jolting in neutral or during certain engine and gearbox movements