Brake Pedal Position Sensor Circuit B

Where it lives

For C0043, the circuit described runs through the sensor. The description of C0043 reports a fault at the sensor.

Check these first

• A failed brake pedal position sensor circuit B
• An open or short in the brake pedal position sensor circuit B wiring
• Corrosion or water at the brake pedal position sensor circuit B connector
• Incorrect brake pedal position sensor installation
• A fault in the brake control module

What to do next

1. Inspect the brake pedal position sensor circuit B and connector
2. Monitor the brake pedal position sensor B voltage with a scan tool
3. Check the sensor wiring for opens and shorts
4. Recalibrate the brake pedal position sensor per service data
5. Replace the brake pedal position sensor if it tests bad
6. Clear the code and retest

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