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.
Junction Block: Removal
The Junction Block and Body Control Module (BCM) are attached to each other. After removal, they can be separated. The Junction Block/BCM assemblies are located on the driver's side of the vehicle.
- Open hood and disconnect the negative battery cable remote terminal from the remote battery post.
- Open the front driver's door and remove left end cap.
- Remove two screws from lower instrument panel cover (outside end). Pull rearward on lower instrument panel cover releasing clips. Disconnect deck lid release switch wiring, cable to hood release, and remove cover from vehicle.
- Remove left knee blocker.
- Remove under column ducts.
- Remove Junction Block/BCM four mounting screws.
- Remove wire harness connectors from Junction Block/BCM.
- Remove Junction Block/BCM.
- Disconnect BCM wire connectors and RKE antenna connector.
- Remove Junction Block/BCM from vehicle.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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