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 MANUALSCHEVROLET2008MALIBU L4-2.4L HYBRIDREPAIR AND DIAGNOSISTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGBRAKE PEDAL POSITION SENSOR CALIBRATION
2008 Chevrolet Malibu L4-2.4L Hybrid
Brake Pedal Position Sensor Calibration
2008 Chevrolet Malibu L4-2.4L HybridSECTION Brake Pedal Position Sensor Calibration
Brake Pedal Position Sensor Calibration
Calibration Criteria
The brake pedal position sensor (BPPS) receives a low reference signal and a 5-volt reference signal from the BCM. Whenever the brake pedal is applied, the BPPS applies a variable voltage signal to the BCM through the stop lamp switch signal circuit. The BPPS calibration must be performed after the BPPS or body control module (BCM) have been serviced. The calibration procedure will set BPPS home value. This value is used by the BCM to determine the action of the driver applying the brake system and to provide this information to the vehicle subsystems via the class 2 communication bus.
Calibration Procedure
1. Install a scan tool.
2. Select Diagnostics.
3. Turn ON the ignition, with the engine OFF.
4. Select the vehicle.
5. Select Body and Accessories.
6. Select Lighting Systems.
7. Select Module Setup.
8. Select BCM.
9. Select the BPPS calibration procedure and follow the directions displayed on the screen.
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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.