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.
Repair Procedure
1999 Chrysler 300M V6-3.5L VIN GSECTION Repair Procedure
This bulletin involves installing a Body Control Module with revised software.
1. Open the hood and disconnect the negative battery remote cable from the remote battery post.
2. Open the front driver's door and remove the left instrument panel end cap.
3. Remove the two screws from the lower instrument panel cover (outside end). Pull rearward on the lower instrument panel cover releasing the clips. Disconnect the decklid release switch wiring and remove the cover from the vehicle.
4. Remove the wire harness connectors from the Junction Block/BCM.
5. Remove the Junction Block/BCM four mounting screws.
6. Remove the Junction Block/BCM by pulling straight down from the mounting bayonet.
7. Disconnect the BCM wire connectors and RKE antenna connector.
8. Remove the Junction Block/BCM from the vehicle.
9. Remove the four BCM attaching screws from the Junction Block.
10. Disconnect the BCM from the Junction Block.
11. To install new BCM, reverse above procedures.
NOTE:
THE REMOTE KEYLESS ENTRY(RKE) MODULE IS ATTACHED TO THE BCM WITH THREE SCREWS. THIS MUST BE TRANSFERRED TO THE NEW BCM.
1. Open the hood and disconnect the negative battery remote cable from the remote battery post.
2. Open the front driver's door and remove the left instrument panel end cap.
3. Remove the two screws from the lower instrument panel cover (outside end). Pull rearward on the lower instrument panel cover releasing the clips. Disconnect the decklid release switch wiring and remove the cover from the vehicle.
4. Remove the wire harness connectors from the Junction Block/BCM.
5. Remove the Junction Block/BCM four mounting screws.
6. Remove the Junction Block/BCM by pulling straight down from the mounting bayonet.
7. Disconnect the BCM wire connectors and RKE antenna connector.
8. Remove the Junction Block/BCM from the vehicle.
9. Remove the four BCM attaching screws from the Junction Block.
10. Disconnect the BCM from the Junction Block.
11. To install new BCM, reverse above procedures.
NOTE:
THE REMOTE KEYLESS ENTRY(RKE) MODULE IS ATTACHED TO THE BCM WITH THREE SCREWS. THIS MUST BE TRANSFERRED TO THE NEW BCM.
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.