pcm

Well, after hard shifting and re-setting via battery weekly, and some nice codes... P1604 - PCM Internal Dual-Port Ram Read/Write Integrity Faiilure P0700 - Transmission Control System P0613 - Internal TCM I took my old PCM and took a trip to the local NAPA store. They sent it off the be...

So the other day a problem returned that I hoped never would. The PCM problem in 05 and 06 automatics. I was wondering if anyone has taken they're Jeep to a dealer and they flashed it.

Well I’ve had the tough shifting since I bought the jeep with 60k, it’s at 107k now. I usually would just “flash” the pcm every time I got gas and this would sooth the issue. Today I checked my codes because I usually have he good ole O2 sensor. But was surprised to see a list of codes: P1604 -...