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2004 Chrysler T&C P0700 Code: Cold Weather Impact and Transmission Issues

Model: 2004 Chrysler T&C Fault Code: P0700 Posted: 2018-01-03 09:46

My 2004 Chrysler Town & Country has recently triggered the engine light, displaying Diagnostic Trouble Code (DTC) P0700. This code indicates a general transmission control issue, specifically related to the Transmission Control Module (TCM). The problem started during an unusually cold period, with temperatures dropping as low as -20°C to -45°C. While the vehicle starts successfully each time, I've noticed it struggles slightly when shifting into first or second gear at startup—this difficulty resolves once I begin driving. No other symptoms have been observed. Given the extreme cold, I'm wondering whether this weather condition could be triggering or contributing to the P0700 code. I haven't yet performed any diagnostic checks beyond noting the code. Any insights on whether cold weather affects transmission performance or TCM function would be greatly appreciated.

Related fault codes
P0700
Comments (3)
Anonymous 2018-01-06 17:08

Hello. P0700 is a general code indicating an issue with the transmission control system, typically pointing to problems in the Transmission Control Module (TCM). For accurate diagnosis, it's essential to read the TCM memory using an OBD2 scanner. Reference: https://www.obd-codes.com/p0700 Has the transmission fluid been changed recently? If so, when?

Anonymous 2018-01-06 17:56

I don't believe the transmission fluid has been changed in over two years—this was the last time I had any work done on the vehicle.

Anonymous 2018-01-07 05:45

It would be helpful to take the car to a qualified garage that can read and interpret the TCM memory for this specific P0700 code, especially in relation to cold-weather operation.