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 MANUALSCHEVROLET2012CHEVY EXPRESS G2500, VAN PASSENGER, 4.8L ENG VIN AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1193 (PROGRAMMING AND SETUP - ALL SYSTEMS)REPAIR INSTRUCTIONSCONTROL SOLENOID VALVE AND TRANSMISSION CONTROL MODULE ASSEMBLY PROGRAMMING AND SETUP (6L50/6L80/6L90)
2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN A
Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L50/6L80/6L90)
2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN ASECTION Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L50/6L80/6L90)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The control solenoid valve and transmission control module assembly must be programmed with the proper software/calibrations. Ensure that the following conditions exist in order to prepare for control solenoid valve and transmission control module assembly programming:
- The battery is fully charged.
- The ignition switch is in the RUN position.
- The Techline equipment cable connection at the data link connector (DLC) is secure.
- Program the control solenoid valve and transmission control module assembly using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.
- If the control solenoid valve and transmission control module assembly fails to program, proceed as follows:
- Ensure that the control solenoid valve and transmission control module assembly connection is OK.
- Inspect the Techline equipment for the latest software version.
- Attempt to program the control solenoid valve and transmission control module assembly. If the control solenoid valve and transmission control module assembly still cannot be programmed properly, replace the control solenoid valve and transmission control module assembly.
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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.