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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSBUICK2010LUCERNE CXL, 3.9 1REPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMDATA COMMUNICATION SYSTEMREPAIR INSTRUCTIONSBODY CONTROL MODULE REPLACEMENT

2010 Buick Lucerne CXL, 3.9 1

Body Control Module Replacement

2010 Buick Lucerne CXL, 3.9 1SECTION Body Control Module Replacement

Fig 1: Body Control Module

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure

Remove the RH instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Right Side .
Remove the right windshield pillar trim. Refer to Body Hinge Pillar Trim Panel Replacement .
Remove the metal bracket.

Body Control Module (BCM)
Tip:

Depress the locking tab on the bracket and disconnect the electrical connectors to remove.
The replacement BCM must be programmed. Refer to Control Module References .

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.