The transmission control module (TCM) on Your 2005 Chrysler Pacifica is located at the passenger side and front of the engine compartment. It'll be at the end of the wiring that comes out of the torque converter solenoid; follow that and it'll lead You straight into the TCM. If You're trying to figure out if there's an issue, and the check engine light (CEL) hasn't come on for it (typical codes here would be a P0700 for the Transmission Control System) then some symptoms to look out for are going to be unpredictable shifting, as well as shifting into higher gears and then being able to downshift out of them.
Shaun C
July 16, 2020
For the 2005 chrysler pacifica the transmission control module is located inside the transmission at the rear of the case underneath the end cover.
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