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 MANUALSCHEVROLET2003TRAILBLAZER 4WD L6-4.2L VIN SREPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTNAVIGATION SYSTEMSERVICE AND REPAIRNAVIGATION CONTROL PROCESSOR BRACKET REPLACEMENT 2
2003 Chevrolet TrailBlazer 4WD L6-4.2L VIN S
Navigation Control Processor Bracket Replacement 2
2003 Chevrolet TrailBlazer 4WD L6-4.2L VIN SSECTION Navigation Control Processor Bracket Replacement 2
NAVIGATION CONTROL PROCESSOR BRACKET REPLACEMENT (TRAILBLAZER EXT, ENVOY XL)
REMOVAL PROCEDURE
1. Fold and tumble the right rear seat to a cargo position.
2. Leaving the electrical connectors attached, remove the communication interface module from the vehicle communication interface module (VCIM) bracket.
3. Using a flat bladed tool, release the retaining tab (1) on the VCIM bracket.
4. Slide the VCIM bracket rearward until the retaining tabs are released from the seat bracket.
5. Remove the VCIM bracket from vehicle.
6. Slide the VCIM bracket rearward until the retaining tabs are released from the seat bracket.
7. Remove the VCIM bracket from vehicle.
INSTALLATION PROCEDURE
1. Position the VCIM bracket to the seat bracket.
2. Slide the VCIM bracket forward until the retaining tabs become locked to the seat bracket.
3. Ensure the retaining tab (1) on the VCIM bracket is properly seated.
4. Install the communication interface module.
5. Position the right second row seat to a passenger position.
REMOVAL PROCEDURE
1. Fold and tumble the right rear seat to a cargo position.
2. Leaving the electrical connectors attached, remove the communication interface module from the vehicle communication interface module (VCIM) bracket.
3. Using a flat bladed tool, release the retaining tab (1) on the VCIM bracket.
4. Slide the VCIM bracket rearward until the retaining tabs are released from the seat bracket.
5. Remove the VCIM bracket from vehicle.
6. Slide the VCIM bracket rearward until the retaining tabs are released from the seat bracket.
7. Remove the VCIM bracket from vehicle.
INSTALLATION PROCEDURE
1. Position the VCIM bracket to the seat bracket.
2. Slide the VCIM bracket forward until the retaining tabs become locked to the seat bracket.
3. Ensure the retaining tab (1) on the VCIM bracket is properly seated.
4. Install the communication interface module.
5. Position the right second row seat to a passenger position.
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.