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Re: Bad Ju-Ju question. GM PCM swap
Posted to Technical Discussion Forum on 3/23/2009 3 Replies

I went used on a 99 4 cylinder PCM a while ago. No issues.

You'll need to flash it and do a CKP relearn. If it has anti-theft you should see a "security" lamp on the cluster when you cycle the key. If so, a 30 minute relearn is all you'll need to do (If requ... Login to read more.

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