volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Gearbox does not shift until it warms up > < Gearbox downshifts at constant vehicle speed without apparent reason

Golf Mk4

Gearbox does not downshift for kickdown
   
Gearbox does not downshift for kickdown
Possible causes of faultRectifying fault
Kickdown switch -F8- defective or no signal
–  Check kickdown switch -F8- signal and
–  Carry out basic setting → Chapter
–  Check wiring according to current flow diagram and repair if necessary → Current flow diagrams, Electrical fault finding and Fitting locations.
Throttle valve potentiometer signal not detected by automatic gearbox control unit -J217-.
–  Check signal from throttle valve potentiometer and
–  Perform → self-diagnosis of engine control unit.
–  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.

   

Gearbox does not shift until it warms up > < Gearbox downshifts at constant vehicle speed without apparent reason