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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008SILVERADO 3500 4WD V8-6.0LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLECONTROL MODULETESTING AND INSPECTIONCONTROL SOLENOID VALVE AND TRANSMISSION CONTROL MODULE ASSEMBLY PROGRAMMING AND SETUP (6L45/6L50/6L80/6L90)
2008 Chevrolet Silverado 3500 4WD V8-6.0L
Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L45/6L50/6L80/6L90)
2008 Chevrolet Silverado 3500 4WD V8-6.0LSECTION Control Solenoid Valve and Transmission Control Module Assembly Programming and Setup (6L45/6L50/6L80/6L90)
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 Service Fast Learn Adapts - Refer to Service Fast Learn Adapts (Programming and Relearning)
TCM Reprogramming
1. If the TCM needs to be reprogrammed, refer to Service Programming System (SPS) (Programming and Relearning) .
2. Perform the Service Fast Learn Adapts - Refer to Service Fast Learn Adapts (Programming and Relearning) .
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 Service Fast Learn Adapts (Programming and Relearning) procedure must be performed:
* Transmission replacement
* Any internal transmission repair
* Any speed sensor
Refer to Service Fast Learn Adapts (Programming and Relearning) .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.