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.
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HOMESERVICE MANUALSCHEVROLET2025EQUINOX RS, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 55 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSK71 TRANSMISSION CONTROL MODULE: PROGRAMMING AND SETUP (9T45 (M3U) OR 9T50 (M3D M3H))REPLACE AND PROGRAM CONTROL MODULE
2025 Chevrolet Equinox RS, 4WD
Replace and Program Control Module
2025 Chevrolet Equinox RS, 4WDSECTION Replace and Program Control Module
WARNING: This page is about a different car, the 2024 GMC Terrain and 2024 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
To program a replacement K71 Transmission Control Module (TCM), perform the following procedure:
- Replace the K71 Transmission Control Module.
- Install EL-49642 SPS programming support tool
- Access the Service Programming System (SPS) and follow the on-screen instructions.
- Perform one of the following SPS Programming functions:
- K20/ K71 Engine and Transmission Control Modules and follow the on-screen instructions
- K71 Transmission Control Module and follow on-screen instructions.
NOTE:If both controller options below are listed, select K71 Transmission Control Module
- Perform the Refresh Characterization Data at the MCVM Characterization procedure, follow the on-screen instructions.
- Perform the Vehicle Setup, follow the on screen instructions.
- With a scan tool, clear DTCs from the K71 Transmission Control Module.
- Ignition OFF for 2 minutes.
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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.