The transmission control module on a 2007 Chrysler Pacifica is integrated into the power control module. You will have to open the hood by pulling the hood release lever in the passenger compartment and then going around to the front of the car and moving the hood latch to release it. Now, disconnect the negative battery terminal using a 10-millimeter socket and ratchet. Next, lift the car so You can remove the driver's front tire. Once the tire is off, You will have to remove the splash shield from behind it. There are four electrical connectors that You need to unplug from the PCM, and also 3 screws that hold it on. The TSM is not a serviceable component and the PCM will need to be replaced to fix the issue.
Chester E
July 16, 2020
The transmission control module in the 2007 chrysler pacifica is in the plenum chamber beneath the ecm on the driver's side.
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