C0277
DTC C0277
Circuit Description
The body control module (BCM) applies a ground through the brake pedal position sensor reference low circuit to the brake pedal position sensor. The BCM supplies a 10-volt reference through the brake sensor reference voltage circuit to the brake pedal position sensor. The brake pedal position sensor sends a variable voltage signal through the brake pedal position sensor signal circuit to the BCM as the brake pedal is applied.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC C0277 Brake Pedal Position Sensor Circuit
Conditions for Running the DTC
The battery voltage must be between 9-16 volts.
Conditions for Setting the DTC
* A short to ground or a short to voltage in the brake pedal position sensor signal circuit is present.
* A short to voltage, a short to ground, or an open in the 10-volt reference circuit of the brake pedal position sensor
* An open in the low reference circuit of the brake pedal position sensor
* A malfunctioning brake pedal position sensor
Action Taken When the DTC Sets
The stop lamps may not function correctly.
Conditions for Clearing the DTC
* The DTC will clear on current status after the condition for setting the fault is corrected.
* A history DTC will clear after 100 consecutive ignition cycles without a fault present.
* History and current DTC can be cleared using a scan tool.
Diagnostic Aids
Perform a visual inspection for loose or poor connections at all related components. refer to Testing for Intermittent Conditions and Poor Connections. Component Tests and General Diagnostics
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