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 MANUALSCHEVROLET2005TAHOE 2WD V8-4.8L VIN VREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULESERVICE AND REPAIR
2005 Chevrolet Tahoe 2WD V8-4.8L VIN V
Body Control Module: Service and Repair
2005 Chevrolet Tahoe 2WD V8-4.8L VIN VSECTION Service and Repair
BODY CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the negative battery cables.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Remove the knee bolster.
3. Disconnect the brown connector.
4. Disconnect all other connectors (1).
5. Remove the body control module (BCM) from the sliding bracket.
INSTALLATION PROCEDURE
1. Slide the BCM onto the bracket.
2. Connect all the connectors (1) except the brown connector.
3. Connect the brown connector.
4. Install the knee bolster.
5. Connect the negative battery cables.
6. Reprogram the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration. Programming and Relearning
7. Perform the Passlock Learn Procedure. Refer to Programming Theft Deterrent System Components in Theft Deterrent. Programming and Relearning
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.