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.
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HOMESERVICE MANUALSBUICK2013LACROSSE FWD L4-2.4LREPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSBODY CONTROL MODULELOCATIONS
2013 Buick LaCrosse FWD L4-2.4L
Body Control Module: Locations
2013 Buick LaCrosse FWD L4-2.4LSECTION Locations
Instrument Panel/Center Console Component Views
Behind the Instrument Panel Components
1 - K26 Headlamp Control Module (T4F)
2 - K9 Body Control Module
3 - B22 Brake Pedal Position Sensor
4 - B107 Accelerator Pedal Position Sensor
5 - E8J Instrument Panel Courtesy Lamp - Left
6 - E8K Instrument Panel Courtesy Lamp - Right
7 - E27 Instrument Panel Compartment Lamp
8 - K36 Inflatable Restraint Sensing and Diagnostic Module
9 - B119 Multi-axis Acceleration Sensor
10 - T10J Keyless Entry Antenna - Center Console Front (BTM)
11 - X84 Data Link Connector
12 - X51A Fuse Block - Instrument Panel
13 - K43 Power Steering Control Module (NV7)
RENDER: 1.0x
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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.