Question about 1996 Chevrolet Cavalier

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Diagnostic I have a 96 chevy cavalier 2.4 liter. I cannot get the pcm to recognize the diagnostic computer. I have used this handheld on a 96 regal so I know it will work on gm obd 2 computers. It will not even turn on when plugged into the cavalier however it works fine with a neon obd2 and the regal. Any tips to get it to work with this pcm.

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  • triciaham12 Aug 18, 2008

    Same problem. Went to 2 Autozone stores and neither could read it. We looked at every fuse in fuse box. Man said either a wiring problem between diagnostic connector and PCM or it was the PCM itself.

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Check your fuse panel for a fuse panel. You are probably not getting power to your diagnostics port on your vehicle. I do not remember which fuse the port is under but just look for the blown one.

Posted on Aug 16, 2008

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