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.
2008 Chevrolet Malibu Classic V6-3.5LFACTORY OEM SERVICE PROCEDURE
Body Control Module: Locations
Front of Vehicle/Engine Compartment Component Views
Right Rear of Engine Compartment Components
Front of the Battery Tray Components
1 - Battery
2 - Engine Control Module (ECM)
3 - Transmission Control Module (TCM)
Left Front of Engine Compartment Components
1 - Coolant Level Switch
2 - Battery
3 - Electronic Brake Control Module (EBCM) (JL9/J67)
4 - X101 (JL9/J67)
5 - G103 (NV7)
6 - Fuse Block - Underhood
7 - Powertrain Control Module (PCM) (LX9/L61)/Engine Control Module (ECM)(LZ9)
8 - Powertrain Control Module (PCM) X3 (LX9/L61)/Engine Control Module (ECM) C3 (LZ9)
9 - Powertrain Control Module (PCM) X2 (LX9/L61)/Engine Control Module (ECM) C2 (LZ9)
10 - Powertrain Control Module (PCM) X1 (LX9/L61)/Engine Control Module (ECM) C1 (LZ9)
Instrument Panel/Center Console Component Views
Body Control Module (BCM)
1 - Body Control Module (BCM)
2 - Air Temp Sensor - Lower (C68)
3 - G203
4 - G201
Right Side of the Instrument Panel and Shifter Components
1 - Radio, X1
2 - Body Control Module (BCM), X2
3 - HVAC Control Module, X2
4 - HVAC Control Module, X1
5 - Inflatable Restraint Instrument Panel Module Connector
6 - X207
7 - G201
8 - G203
9 - Body Control Module (BCM), X3
10 - Body Control Module (BCM), X1
11 - Body Control Module (BCM)
Powertrain Component Views
Rear of Engine (LZ4)
1 - Throttle Actuator Control (TAC) Module
2 - Manifold Absolute Pressure (MAP) Sensor
3 - Ignition Control Module (ICM)
4 - Knock Sensor (KS) 2
5 - Engine Block Heater
6 - Engine Oil Level Sensor
7 - Crankshaft Position (CKP) Sensor
8 - Engine Coolant Temperature (ECT) Sensor
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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