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.
Replace and Program Control Module (ECU)
To program a replacement K71 Transmission Control Module, perform the following procedure:
- Ignition/Vehicle - Off
- Replace the component: K71 Transmission Control Module
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- On the SPS Supported Controllers screen select K71 Transmission Control Module - Replace and Program ECU, and follow the on screen instructions.
- Perform the Refresh Characterization Data at the MCVM Characterization procedure. Refer to: Q77 Transmission Control Solenoid Valve Characterization Programming
- Perform the scan tool configuration/reset function: Transmission Service Fast Learn - If available
Begin with the vehicle in vehicle OFF power mode. The Service Programming System will power mode the vehicle.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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