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.

2009 Cadillac CTS V, AutomaticFACTORY OEM SERVICE PROCEDURE

Body Control Module Replacement

Fig 1: Identifying Body Control Module

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

Remove the instrument panel (I/P) insulator. Refer to Instrument Panel Insulator Replacement - Left Side (Left Hand Drive) or Instrument Panel Insulator Replacement - Left Side (Right Hand Drive) .
Remove the driver knee bolster bracket. Refer to Driver Knee Bolster Bracket Replacement (Left Hand Drive) or Driver Knee Bolster Bracket Replacement (Right Hand Drive) .

Body Control Module (BCM)

Procedure

Disconnect the electrical connectors.
Refer to Control Module References for programming and set-up information.

Factory Service Tools

Use the Manual With the Right Hardware

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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.