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 MANUALSCHEVROLET2013SILVERADO 2500 HD LT, 2D CAB CHASSIS, 6.6L ENG VIN 8, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2517 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSK71 TRANSMISSION CONTROL MODULE: PROGRAMMING AND SETUP (8L45/90)REPLACE AND PROGRAM CONTROL MODULE
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD
Replace and Program Control Module
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Replace and Program Control Module
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. 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 the K20 Engine Control Module and K71 Transmission Control Module Sequential Programming and follow the on-screen instructions.
- Perform the Refresh Characterization Data at the MCVM Characterization procedure, follow the on-screen instructions.
- Perform the Transmission Service Fast Learn Procedure .
- 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.