Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- DTC C0277 06: Brake Pedal Position Sensor Circuit Short to Ground or Open
- DTC C0277 07: Brake Pedal Position Sensor Circuit Voltage Above Threshold
- DTC C0277 09: Brake Pedal Position Sensor Circuit Rate of Change Above Threshold
- DTC C0277 4B: Brake Pedal Position Sensor Calibration Not Learned
To diagnose the C0277 Saturn code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The brake pedal position sensor provides an analogue voltage signal that will increase as the brake pedal is applied. The Body Control Module (BCM) provides a low reference signal and a 5 V reference voltage to the brake pedal position sensor. When the variable signal reaches a voltage threshold indicating the brakes have been applied, the BCM will apply battery voltage to the stop lamp control circuit illuminating the left and right stop lamps and the Center High Mounted Stop Lamp (CHMSL). The BCM also applies battery voltage to the transmission control module (TCM) and Engine Control Module (ECM) via the brake applied signal circuit.
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