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 MANUALSGMC2010SAVANA G2500, VAN CARGO EXTENDED, 6.6 6REPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROLS AND FUEL - 6.6L (LMM) - REPAIR INSTRUCTIONSREPAIR INSTRUCTIONSENGINE CONTROL MODULE REPLACEMENTINSTALLATION PROCEDURE
2010 GMC Savana G2500, Van Cargo Extended, 6.6 6
Installation Procedure
2010 GMC Savana G2500, Van Cargo Extended, 6.6 6SECTION Installation Procedure
- Place the bottom edge of the ECM into the bracket lower retainers.
- Install the washer solvent container. Refer to Windshield Washer Solvent Container Replacement .
- Push the ECM towards the bracket until the upper edge of the ECM snaps into place.
- Connect the ECM electrical connectors.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
- If a NEW ECM was installed, program the ECM. Refer to Control Module References .
- Perform the turbocharger learn procedure. Refer to Turbocharger Learn .
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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.