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 MANUALSBUICK2013LACROSSE FWD L4-2.4LREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULELOCATIONS
2013 Buick LaCrosse FWD L4-2.4L
Engine Control Module: Locations
2013 Buick LaCrosse FWD L4-2.4LSECTION Locations
Front of Vehicle/Engine Compartment Component Views
Engine Compartment Components - Top View
1 - B162RF Vertical Body Acceleration Sensor - Right Front (F45)
2 - B75B Mass Air Flow/Intake Air Temperature Sensor (LUK) or B75C Multifunction Intake Air Sensor (LFX)
3 - B20 Brake Fluid Level Switch
4 - K17 Electronic Brake Control Module
5 - M75 Windshield Wiper Motor
6 - B162LF Vertical Body Acceleration Sensor - Left Front (F45)
7 - X50D Fuse Block- Battery
8 - X50A Fuse Block- Underhood
9 - B18 Battery Current Sensor
10 - C1 Battery
11 - M29L Headlamp Leveling Actuator - Left (T4F)
12 - K20 Engine Control Module
13 - B59L Front Impact Sensor - Left
14 - B55 Hood Ajar Switch
15 - B59R Front Impact Sensor - Right
16 - M29R Headlamp Leveling Actuator - Right (T4F)
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.
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.