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 MANUALSCHEVROLET2025TAHOE PPV, RWDREPAIR AND DIAGNOSISGENERAL INFORMATIONRESET PROCEDURESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSK71 TRANSMISSION CONTROL MODULE: PROGRAMMING AND SETUP (10L80 (MHS, MQC))PROGRAMMING AN EXISTING OR NEW CONTROL MODULE

2025 Chevrolet Tahoe PPV, RWD

Programming an Existing or New Control Module

2025 Chevrolet Tahoe PPV, RWDSECTION Programming an Existing or New Control Module

To program an existing or new control module, perform the following procedure:

Install the special tool: EL-49642 SPS Programming Support Tool
Ignition - On / Vehicle - In Service Mode
Perform one of the following SPS Programming functions:
NOTE:
If both controller options below are listed, select K20/K71 Engine and Transmission Control Modules.
- K20/K71 Engine and Transmission Control Modules and follow the on-screen instructions.
- K71 Transmission Control Module and follow on-screen instructions.
1. Select - Programming
2. Select - MCVM Operations - If applicable
3. Ignition/Vehicle - Off - For greater than 2 min
4. Select - Setup - Follow the on-screen instructions.
Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
Perform the scan tool configuration/reset function: Transmission Service Fast Learn - If available
All OK.

RENDER: 1.0x

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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.