Antitheft system on in 03 Cavalier

Asked by Dec 29, 2016 at 02:59 AM about the 2003 Chevrolet Cavalier LS Sedan FWD

Question type: Maintenance & Repair

So one night I was working on my car and accidentally
pulled the wrong fuse and then it put my car in anti theft
mode and will not start I can drive it now and start it butt
whenever I leave my car for a little bit and open the door it
starts chirping before the alarm goes off every single time
no matter if it's locked or not locked or if I use the key to
open the door the only time the church we will not let the
alarm go off is if I get the key in the ignition and a certain
amount of time and none of my key fobs work any idea
how to fix this and yes I put an aftermarket stereo in it but I
bought the hard and some dollar harness with the box and
everything so not have any problems.

1 Answer

124,415

the car needs the anti- theft system reset and possible the ECM, but this can only can be done by the dealership..

Your Answer:

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