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Volkswagen
Jetta
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Flasher Relay Failure Can Cause Erratic Turn Signal Operation on Volkswagen Jetta

Problem Description and Possible Solution

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

Problem Data
RepairPal Verified
Average mileage: 117,715 (45,000–289,999)
6 model years affected: 2000, 2001, 2002, 2003, more2004, 2005
32 people reported this problem
Comments
Viewing 1 - 16 of 16 comments
Turn signals stop working completely during driving, sometimes producing a constant tonal noise, other times no noise. The a/c stops working at the same time.
Erratic clicky-sound of the turn signal, yet no visible/physical problem with the signal. Just an annoyance.
My daughter has 2004 VW Jetta right signal light will go out when you get turn car off also right signal doesn't work but the lights stays on
Turns signals stopped functioning properly and began to stick on or off.

Correction was done by dealer under recall.
flasher noise with no signal lights flashing. The first thought is to replace the flasher...wrong. The second thought is the signal switch. This is an unnecessary cost. Simply buy a can of electrical contact cleaner, spray vigorously inside the switch while moving the lever up and down...voila !!