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 MANUALSCHEVROLET2012CORVETTE V8-6.2L SCREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINRELAYS AND MODULES - TRANSMISSION AND DRIVETRAINRELAYS AND MODULES - A/TCONTROL MODULETESTING AND INSPECTION
2012 Chevrolet Corvette V8-6.2L SC
Control Module: Testing and Inspection
2012 Chevrolet Corvette V8-6.2L SCSECTION Testing and Inspection
Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L45/6L50/6L80/6L90)
The following service procedures require either a programming or a setup event be performed for a complete repair. The transmission control module (TCM) is part of the control solenoid (w/body and TCM) valve assembly, and is not serviced separately.
Transmission Control Module (TCM) Replacement
If the TCM is replaced, the following procedures must be performed:
1. TCM Reprogramming
2. The Reset Transmission Adapts - Refer to Reset Transmission Adapts Reset Procedure
TCM Reprogramming
1. If the TCM needs to be reprogrammed, refer to Service Programming System (SPS) Service Programming System (SPS).
2. Perform the Reset Transmission Adapts - Refer to Reset Transmission Adapts Reset Procedure.
Note:
After programming, perform the following to avoid future misdiagnosis:
1. Turn the ignition OFF for 30 seconds.
2. Turn the ignition ON with the engine OFF.
3. Use the scan tool in order to retrieve history DTCs from all modules.
4. Clear all history DTCs.
Setup for Component Replacement
The replacement of some components will require a setup procedure for complete repair.
If any of the following components are replaced, the Reset Transmission Adapts Reset Procedure procedure must be performed:
* Transmission replacement
* Any internal transmission repair
* Any speed sensor
Refer to Reset Transmission Adapts Reset Procedure.
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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.