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 MANUALSCHEVROLET2008SILVERADO 3500 2WD V8-6.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSRELAYS AND MODULES - TRANSMISSION AND DRIVETRAINRELAYS AND MODULES - A/TCONTROL MODULEDIAGRAMS
2008 Chevrolet Silverado 3500 2WD V8-6.0L
Control Module: Diagrams
2008 Chevrolet Silverado 3500 2WD V8-6.0LSECTION Diagrams
Component Connector End Views - Continued
Transmission Control Module (TCM) (M30/M70)
Transmission Control Module (TCM) (MW7)
Transmission Control Module (TCM) (MW7) (Pin 1 To 65):
Transmission Control Module (TCM) (MW7) (Pin 66 To 80):
RENDER: 1.0x
NO RELATED
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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.