C0277 2015 GMC Sierra Code - Brake Pedal Position Sensor Circuit
Quick Answer
The brake pedal position sensor is used to sense the action of the driver's application of the brake pedal. Common causes include Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted, Brake Pedal Position Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C0277 2015 GMC Sierra indicates Brake Pedal Position Sensor Circuit.
- Common causes
- Common causes include Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted, Brake Pedal Position Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C0277 2015 GMC Sierra Description
What are the Possible Causes of the DTC C0277 2015 GMC Sierra?
- Faulty Brake Pedal Position Sensor
- Brake Pedal Position Sensor harness is open or shorted
- Brake Pedal Position Sensor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC C0277 2015 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
C0277:07 Brake Pedal Position Sensor Circuit High Voltage
C0277:09 Brake Pedal Position Sensor Circuit Too Fast Transitions
C0277:12 Brake Pedal Position Sensor Circuit Below Minimum Threshold
C0277:4B Brake Pedal Position Sensor Circuit Calibration Not Learned
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0277 2015 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the C0277 2015 GMC Sierra code?
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Frequently Asked Questions about C0277 2015 GMC Sierra Code
1. What does OBDII code C0277 mean on a 2015 GMC Sierra?
C0277 indicates a problem with the Brake Pedal Position Sensor Circuit, which monitors the position of the brake pedal for proper system function.
2. What are the common symptoms of code C0277 in a 2015 GMC Sierra?
Symptoms may include the ABS or brake warning light illuminating, cruise control failure, or a lack of response in the brake assist system.
3. What causes code C0277 on a 2015 GMC Sierra?
The code can be triggered by a faulty brake pedal position sensor, damaged wiring, poor electrical connections, or issues with the ABS control module.
4. Can I drive my 2015 GMC Sierra with code C0277 present?
While the truck may still be drivable, safety systems like ABS and traction control could be compromised, so it’s best to address the issue promptly.
5. How do I diagnose the issue causing C0277?
Start by inspecting the brake pedal position sensor and its wiring for damage or loose connections. Use a scan tool to monitor the sensor's data for irregularities.
6. How do I fix code C0277 on a 2015 GMC Sierra?
Repairs may involve replacing the brake pedal position sensor, repairing damaged wiring, or cleaning and securing electrical connections.
7. How much does it cost to fix code C0277 on a 2015 GMC Sierra?
Repair costs can range from $100 to $300, depending on whether the sensor needs replacement or if wiring repairs are required.
8. Can a dead battery cause code C0277 to appear?
A weak or dead battery might cause electrical issues that could trigger the code, though it’s not the most common cause.
9. Will clearing the C0277 code fix the problem permanently?
Clearing the code without addressing the underlying issue will only temporarily remove it. The problem must be diagnosed and repaired to prevent recurrence.
10. Does the C0277 code affect the GMC Sierra's braking performance?
It could. While the mechanical braking system may still function, electronic features like ABS and stability control may not work properly.
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