Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Transmission Control Module
The Transmission Control Module (TCM) receives information from various input devices and uses this information to control shift and lock-up control solenoid valves. See Figure . The TCM contains self-diagnostic system which stores fault code if failure or problem exists in transaxle electronic control system. The fault code may be retrieved to determine transaxle problem area. See SELF-DIAGNOSTIC SYSTEM . Fault code may also be referred to as Diagnostic Trouble Code (DTC). The TCM is located behind driver's side kick panel. See Figure .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.