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.
2006 Cadillac SRX RWD V6-3.6L VIN 7FACTORY OEM SERVICE PROCEDURE
Control Module: Service and Repair
Transmission Control Module (TCM) Replacement
Removal Procedure
1. Unlock the transmission control module electrical connector by pulling the retainer (2) away from the electrical connector (1).
2. Important: Twisting or tilting of the transmission control module electrical connector while disconnecting may result in bent or misaligned electrical terminal pins.
Carefully disconnect the electrical connector (1) from the transmission control module.
3. Remove the transmission control module from the mounting bracket by pulling back on the retaining tabs (1) to release the control module.
Installation Procedure
1. Align the transmission control module with the locating pins (2) on the module mounting bracket.
2. Install the transmission control module by seating it fully into the bracket until all of the retaining tabs (1) have engaged the edge of the module edge.
3. Important: Twisting or tilting of the transmission control module electrical connector while connecting may result in bent or misaligned electrical terminal pins.
Carefully connect the transmission control module electrical connector (1) to the transmission control module.
4. Lock the transmission control module electrical connector securely to the transmission control module by pushing the retainer (2) toward the electrical connector (1) until fully seated.
5. The transmission control module must be programmed with the proper software/calibrations. Refer to Service Programming System (SPS).
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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