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Resetting computer...

2876 Views 4 Replies 2 Participants Last post by  Sheyster
I know you can unplug the 3 PCM connectors to do it quickly, but since I'm lazy I wanted to know if just disconnecting the positive cable in the engine bay will work? How long will it take? I tried it before and it still did not reset after 45 minutes.

Thanks in advance!
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I've always just disconnected the positive cable in the engine bay as you mentioned and it resets the computer after about 5 minutes.
Hmmm, it clears an SES light? This connection is directly above the PCM, right?
I think I might have misunderstood your original question. To reset the computer (so it goes back into learn mode), I disconnect the power plug above the PCM, but I don't do this to reset an SES light. I've never had an SES light on my car.
Thanks for the info. Someone came over with a code scanner and cleared it. It was code PO118, high temp coolant sensor -- I'll wait and see if it comes back again before I mess with it! :thumb:
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