TCM Failure???

zenon17 · #1 11-17-2008, 03:05 PM

How can you tell if the Transmission Control Module has fully or partially failed.

It's a 2002 Grand Carvan Sport.

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master tech · #2 11-17-2008, 11:30 PM

If you have a P-code for a tcm failure, you can try to have the dealer do a flash program. But if that don't work then you'll need to replace the tcm. and set the pinion factor.