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.
2007 Chevrolet Colorado 4WD L5-3.7LFACTORY OEM SERVICE PROCEDURE
Control Module: Service and Repair
Transfer Case Shift Control Module Replacement
Removal Procedure
Important: The transfer case shift control module (TCCM) is located under the drivers seat carpet. For removal purposes, access the TCCM from underneath the carpet.
1. Remove the drivers bucket seat or split bench seat.
2. Remove the left front sill plate.
3. Remove the left hinge pillar.
4. Remove the left center pillar.
Transfer Case Shift Control Module:
5. Use a flat-bladed tool to release the 2 tabs (1) retaining the TCCM to the bracket.
6. Partially remove the TCCM from the bracket.
7. Disconnect the electrical connectors.
8. Remove the TCCM from the vehicle.
9. If removing the bracket, remove the 2 fasteners retaining the bracket to the floor panel.
10. Remove the bracket from the vehicle.
Installation Procedure
Transfer Case Shift Control Module:
1. If replacing the bracket, install the bracket to the floor panel.
Notice: Refer to Fastener Notice.
2. Install the 2 fasteners retaining the bracket to the floor panel.
Tighten the fasteners to 9 N.m (80 lb in).
3. Position the TCCM to the bracket.
4. Connect the electrical connectors.
5. Install the TCCM to the bracket, ensuring the retaining tabs (1) are fully engaged.
6. Install the left center pillar.
7. Install the left hinge pillar.
8. Install the left front sill plate.
9. Install the drivers bucket seat or split bench seat.
10. Refer to Control Module References for replacement and setup information.
Factory Service Tools
Use the Manual With the Right Hardware
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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.