Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.
Problems for specific Volkswagen Jetta years:
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Newest reported 2001 Volkswagen Jetta problems
One or more power windows may fail. Our technicians tell us this is commonly due to a failed window regulator which will require replacement.
Shifting issues due to internal problems in high mileage automatic transmissions can be difficult to resolve without transmission replacement.