Program new PCM

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Apr 26, 2019 | 07:32 AM

Chopphead

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Heel & Toe

Joined: Apr 2019

Posts: 18

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Program new PCM

Anyone that can guide me in programming a new PCM? Bought a new one and installed it, car crank but doesn’t start now.

Apr 26, 2019 | 08:07 AM

C5 Diag

Moderator, Tech Contributor

Joined: Sep 2013

Posts: 15,312

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From: Cape Coral, Florida

Programming a PCM is something you should REALLY let someone who does this for a living do !!...you NEED a battery maintainer (not a battery charger) to make sure the battery has the appropriate voltage during the programming...and the procedure is a page long !!

Apr 26, 2019 | 09:02 AM

Chopphead

Thread Starter

Heel & Toe

Joined: Apr 2019

Posts: 18

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Can you please explain the method and tools needed, something you can do with a Tech 2 device?

Apr 26, 2019 | 09:45 AM

C5 Diag

Moderator, Tech Contributor

Joined: Sep 2013

Posts: 15,312

Likes: 3,925

From: Cape Coral, Florida

Yes, can be done with Tech 2 !!...like I said best left to a PRO !!....QUESTION....WHY ARE YOU REPLACING IT ??????????..if you were replacing it just because it would not start there are MANY reasons for that...I'd put the old one in and start from scratch...PCM's rarely go bad !!

Last edited by C5 Diag; Apr 26, 2019 at 01:53 PM.

Apr 26, 2019 | 01:50 PM

niterydr

Racer

Joined: Mar 2008

Posts: 457

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From: Elkhart, Texas

Did you swap PCM's?

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