Question about 2001 Chrysler 300M
I have this code pop up irregularly but seems to happen when car is downshifting, It goes into 2nd gear "limp home" mode and all other gears including auto stick are disabled. I can shut the car off and it starts and runs normally until the downshift happens again. It seems to happen less frequently while slowing down very slowly. I've changed the input and output speed sensors, the solenoid valve assembly, and had the trans fluid and filter changed/serviced. It seems I've done all the common failures that cause this. What else can it be?
This is what sets the code.
Engine started, engine running, and the PCM received a message over the CCD bus from the Transmission Control Module (TCM) that it had detected a problem and set a trouble code in memory. This code sets in 1 Trip(s).
The presence of this code means the TCM detected a problem. TCM related sensor is damaged or has failed.
After everything you have done I would recommend taking it to a transmission shop, I'm sure they have seen this on Chryslers. and know what the common problems are.
Posted on Jan 27, 2009
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