WARNING:

ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO RESTRAINTS BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

The Junction Block (JB) and Body Control Module (BCM) are attached to each other. After removal they can be separated. Junction Block and Body Control Module assemblies are located on the driver's side of the vehicle. See Fig 1.

Fig 1: Junction Block/BCM

Courtesy of DAIMLERCHRYSLER CORP.

1 - JUNCTION/BCM

Disconnect and isolate the battery negative remote cable from the remote terminal on the left shock tower.
Open the front driver's door and remove end cap.
Remove center bezel.
Remove instrument cluster hood.
Remove silencer.
Remove wire harness connectors from Junction Block.
Remove Junction Block three mounting screws.
Disconnect BCM wire connectors and remove the assembly.
Remove Junction Block/BCM from vehicle.
With the Junction Block/BCM removed from the vehicle, separate the BCM from the Junction Block.
Remove the BCM attaching screws.
Disconnect BCM from the Junction Block.

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.

Safety Warning

Junction Block: Removal

Use the Manual With the Right Hardware

When to See a Mechanic