Question about 2002 Chrysler PT Cruiser

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2001PT Cruiser door locks

  1. 2001 PT Cruiser, door locks lock and unlock by themselves causing the battery to drain overnight
Same problem - doors lock and unlock on their own.  I can reset temporarily by re-seating the IOD fuse under the hood, but as soon as I hit a bump or the car leans to one side, it starts again.  Many times there is noises coming from the back drivers side, like gears or parts moving up and down.  Something needs replaced.  Once in awhile I get a signal noise before the locks do their thing.  Carry a key in your wallet or purse until this gets fixed. I also just had a fog light stay on too.  Seems to be the signal switch.  I took out the fuse for now.

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The fuse is No.3 "DR locks" (near steering wheel)
If you take the fuse out the doors will not open itselves.

The root cause of the problem will be a microswitch inside the drivers door?

Check this:
http://www.ptdoityourself.net/tl/tl_index2.html#8n

======FOG LIGHTS ============

1.At first take out the foglight's fuse before you battery is dead. (Fog lights stays "ON" even you leave the car).

2.You must replace the Multifunction control switch =(

Here is the photo of problem:
http://www.ptcruiser.fi/ptgalleria/albums/userpics/10010/normal_sumuvalokytkin.jpg

Fog lights are connected to pin 13,14.
Fog light switch is "B". Because the current is many Amps, contact surfaces are heating up.
After that the contact opening "C" is melting (made of plastic) so the fog light stays "ON".

Posted on Jun 04, 2009

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Posted on Jan 02, 2017

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