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 MANUALSGMC2011SIERRA 3500 HD, 2D PICKUP, 6.6 8LABOR TIMESOTHER VARIANTTRANSMISSIONAUTOMATIC TRANSTRANSMISSION CONTROL MODULEREMOVE & REPLACE
2011 GMC Sierra 3500 HD, 2D Pickup, 6.6 8
Transmission Control Module: Remove & Replace
2011 GMC Sierra 3500 HD, 2D Pickup, 6.6 8SECTION Remove & Replace
WARNING: This page is about the Sierra 1500, 2D Pickup, 4.3 X, 4WD, Automatic, which is a different variant/trim than selected.
TRANS ID - 6L50, 6L80E, 6L90E
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 1500, Assembly (Complete),w/o Skid Plate | Includes: Programming. Includes: R&I Valve Body Assembly. | 2.4 | 2.2 | B |
| 1500, Assembly (Complete),w/Skid Plate | Includes: Programming. Includes: R&I Valve Body Assembly. | 2.6 | 2.2 | B |
TRANS ID - 700-R4, 4L60, 4L60E, 4L65E, 4L70E
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 1500, PCM | Includes: Programming. | 1.5 | B |
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.