How to fix P0700 Code: Transmission Control System (MIL Request)
Code P0700 is a generic trouble code related to a fault in the transmission control system.
A P0700 code is set when the transmission control module (TCM) detects an issue with the transmission, such as a bad sensor, wiring, or mechanical fault.
This code can be hard to troubleshoot since it can be caused by many different things.
Look for other codes, as they can help point to the source of the problem.

Possible Causes of a P0700 Code:
Low or Dirty Transmission Fluid
Bad Transmission Sensor
Faulty Transmission (Shift Solenoids, Valve Body, Converter Clutch)
Bad TCM
Wiring (TCM Harness or Sensor Wire)

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