can you put a pcm out of an identical grand cherokee and have it work in another?

Asked by May 18, 2018 at 09:02 PM about the 1998 Jeep Grand Cherokee

Question type: Maintenance & Repair

powertrain control module swap in identical vehicles

6 Answers

9,790

You should not need to ever replace a PCM unless you put it under water. Diagnose your vehicle or have someone that knows cars do it.

134,805

I think you would need a reflash.

1 people found this helpful.
125,935

The numbers have to match that are on the part itself.

2 people found this helpful.
Best Answer Mark helpful

thanks for the help,i did have the pcm diagnosed as the probable problem. I dont see why one mechanic would find it hard to believe that a 20 year old computer would malfunction. In my experience, anything can break.

125,935

They do fail, but usually there is something that caused it, over or under voltage is a biggie, then there are those that just plain fail, who knows the reason. Thanks for the points.

If you put the battery terminals on wrong it will fry the pcm

Your Answer:

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