Question about 2003 Chevrolet Avalanche

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Rear passenger door ajar problem

When i put my 2003 chevy avalanche in drive gear...my cluster panel is telling me my rear passenger door is open..when it's closed....which leaves the dome light on...can somebody help me with this..

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I had the same problem, it was the body computer located under the steering collum. The bad news is if you get a used one it must be reprogramed for your antitheaf features.A new one from the dealer is 310.00 and you can expect labor charges to be about the same.

Posted on Jun 16, 2009

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Find the switch, which is often a black push in button-like thing on the door post where door meets body. It will push in by hand when you find it. When pushed in, interior light etc should go off, as if the door was closed. You can try a little contact cleaner spray or similar, to clean it up, but if that doesn't work, you may have to replace it. Also take a minute & look at door alignment when door closed, if it looks like it's sticking out a little as compared to rest of the body of the truck in that area, adjust the striker on the door post in a little, which will close door tighter, thus may eliminate problem with push in switch at same time.

Posted on May 31, 2009

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A wiring problem in the door its a safety feature when you put it in drive to tell you its not safe to drive with the door open check the button on door is not stuck it may need to be rewired from this point

Posted on May 31, 2009

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