C0277 GMC 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 GMC 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 GMC Description
What are the Possible Causes of the DTC C0277 GMC?
- 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 GMC?
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 GMC 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.
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Information for Specific GMC Models
- C0277 2014 GMC Sierra — Brake Pedal Position Sensor Circuit
- C0277 2015 GMC Sierra — Brake Pedal Position Sensor Circuit
- C0277 2016 GMC Sierra — Brake Pedal Position Sensor Circuit
- C0277 2017 GMC Sierra — Brake Pedal Position Sensor Circuit
- C0277 2018 GMC Sierra — Brake Pedal Position Sensor Circuit
Frequently Asked Questions about C0277 GMC Code
1. What are the common symptoms of OBDII code C0277 GMC (Brake Pedal Position Sensor Circuit)?
- Common symptoms include the brake pedal feeling soft or spongy, the Brake Warning light illuminating on the dashboard, and potential issues with cruise control functionality.
2. What causes the OBDII code C0277 GMC to be triggered?
- The code is typically triggered by a malfunction in the brake pedal position sensor circuit, which may be caused by sensor failure, wiring issues, or a faulty brake control module.
3. How can I diagnose the cause of OBDII code C0277 GMC?
- Diagnosing the code involves checking the brake pedal position sensor for proper operation, inspecting the sensor wiring for any damage or loose connections, and using a diagnostic scanner to identify the specific fault.
4. Can I still drive my vehicle with OBDII code C0277 GMC?
- It is not recommended to drive the vehicle with this code present, as it may affect the brake system's performance and compromise safety. It is advised to address the issue promptly.
5. What are some repair tips for fixing OBDII code C0277 GMC?
- Repair tips include checking and replacing the brake pedal position sensor if necessary, inspecting and repairing any damaged wiring, and resetting the code with a diagnostic scanner after completing repairs.
6. Is it possible to reset OBDII code C0277 GMC without fixing the underlying issue?
- While you can clear the code with a diagnostic scanner, it is important to address the root cause of the problem to prevent the code from reoccurring and ensure the proper functioning of the brake system.
7. How much does it typically cost to repair OBDII code C0277 GMC?
- The cost of repair can vary depending on the specific cause of the issue, but it may involve sensor replacement, wiring repairs, or module reprogramming. It is recommended to consult a professional for an accurate estimate.
8. Can a DIY enthusiast resolve OBDII code C0277 GMC on their own?
- While some DIY enthusiasts may have the skills to diagnose and repair this issue, it is recommended to seek assistance from a qualified mechanic or technician to ensure the problem is properly resolved and the brake system is safe.
9. Will OBDII code C0277 GMC cause my vehicle to fail an emissions test?
- The code itself may not cause the vehicle to fail an emissions test, but it is still important to address the underlying issue to ensure the proper functioning of the brake system and overall vehicle safety.
10. How can I prevent OBDII code C0277 GMC from occurring in the future?
- Regular maintenance, such as checking and replacing brake components as needed, inspecting wiring for damage, and addressing any warning signs promptly, can help prevent the recurrence of this code.
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