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.

2019 GMC Terrain SLFACTORY OEM SERVICE PROCEDURE

Human Machine Interface Control Module Replacement

Courtesy of GENERAL MOTORS COMPANY

Callout

Component Name

Preliminary Procedures

Remove the front side door sill garnish molding - right side. Front Side Door Sill Garnish Molding Replacement (Equinox) or Front Side Door Sill Garnish Molding Replacement (Terrain)
Reposition the front floor panel carpet as necessary.

Human Machine Interface Control Module

Procedure

Disconnect the electrical connectors.
Release the retaining tab.
Perform the necessary programming and setup procedure: Control Module References

Factory Service Tools

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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.