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Jun 14, 2015 | 06:23 PM

benc48

Thread Starter

Junior Member

Joined: Jun 2015

Posts: 21

From: South Carolina

Pcm

If I had to change the PCM , Does it need to be flashed by GM ?

Jun 14, 2015 | 08:07 PM

goaliemo

Senior Member

Joined: Mar 2014

Posts: 1,363

From: Louisiana

Depends.
If you buy it new, yes.
If you get it from a car at the junk yard, as long as it is the same year, and make sure it matches your tranny (auto/manual) you shouldn't have to.

Jun 14, 2015 | 09:08 PM

benc48

Thread Starter

Junior Member

Joined: Jun 2015

Posts: 21

From: South Carolina

Thanks for the info .

Jun 14, 2015 | 11:09 PM

derf

Super Moderator

Joined: Jul 2005

Posts: 12,387

From: Slightly off center

for the record, the PCMs on the S series are VERY VERY VERY VERY rarely the problem; for the volume of cars out there, the failure rate is miniscule.

Jun 15, 2015 | 12:56 AM

goaliemo

Senior Member

Joined: Mar 2014

Posts: 1,363

From: Louisiana

Hey bud, I was wrong. After further info, s cars before 2000 don't have a bcm, so they are car specific.
Derf knows his stuff, probably better off listening to him.