gmc 1500 new collume new pcm truck wont relearn and start

Asked by Ray Mar 24, 2023 at 05:36 PM about the GMC Sierra 1500

Question type: Maintenance & Repair

3 Answers
202,505

Ed92626 answered about a year ago

As with your other question, nothing will work until you get the security system shut off.

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155,265

james answered about a year ago

What year is this vehicle? Sounds like you need to be towed to your local GM Dealer for repairs. There are some things on a newer vehicle that you simply can't fix yourself, like the security system or replacing the PCM. Jim

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307,265

Gene answered about a year ago

Yep you installed your own can of worms. Be prepared to spend some cash getting the dealer to reprogram everything.

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