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 MANUALSCADILLAC2002ELDORADO V8-4.6L VIN YREPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSBODY CONTROL MODULESERVICE AND REPAIR
2002 Cadillac Eldorado V8-4.6L VIN Y
Body Control Module: Service and Repair
2002 Cadillac Eldorado V8-4.6L VIN YSECTION Service and Repair
REMOVAL PROCEDURE
CAUTION: Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF; unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

1. Remove the electrical component mounting bracket.
2. Disconnect the electrical connectors.
3. Disengage the body control module (1) from the bay board retainers.
4. Remove the body control module.
INSTALLATION PROCEDURE

1. Align the body control module to the electronics bay board.
2. Connect the electrical connectors to the body control module.
3. Install the body control module (1) to the electronics bay board retainers.
4. Ensure the (BCM) snaps into place.
5. Install the electrical component mounting bracket.
CAUTION: Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF; unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
1. Remove the electrical component mounting bracket.
2. Disconnect the electrical connectors.
3. Disengage the body control module (1) from the bay board retainers.
4. Remove the body control module.
INSTALLATION PROCEDURE
1. Align the body control module to the electronics bay board.
2. Connect the electrical connectors to the body control module.
3. Install the body control module (1) to the electronics bay board retainers.
4. Ensure the (BCM) snaps into place.
5. Install the electrical component mounting bracket.
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.