AutoCodes – Chevrolet – C0277 2018 Chevrolet Silverado

C0277 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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.

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Code Popularity 476

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 05, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C0277 2018 Chevrolet Silverado Description

The brake pedal position sensor is used to sense the action of the driver's application of the brake pedal. The brake pedal position sensor provides an analog 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 left and right stop lamp control circuits as well as the center high-mounted stop lamp relay control circuit illuminating the left and right stop lamps and the center high mounted stop lamp. The Diagnostic Trouble Code (DTC) will be set when the BCM detects an improper voltage in the brake pedal position sensor 5 V reference circuit.

OBDII Code C0277 2018 Chevrolet Silverado - Brake Pedal Position Sensor Circuit - AutoCodes.com — C0277 2018 Chevrolet Silverado Code - Brake Pedal Position Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC C0277 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado?

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.

What does this mean?

Code Tech Notes

C0277:06 Brake Pedal Position Sensor Circuit Low Voltage/Open
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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C0277 2018 Chevrolet Silverado Code

1. What are common symptoms of OBDII code C0277 in a 2018 Chevrolet Silverado related to the brake pedal position sensor circuit?

- Common symptoms include the brake lights staying on, the inability to shift out of park, and potential loss of brake assist.

2. What are the possible causes of OBDII code C0277 in a 2018 Chevrolet Silverado?

- The code may be triggered by a faulty brake pedal position sensor, damaged wiring in the brake pedal position sensor circuit, or a problem in the brake control module.

3. How can I diagnose the issue related to OBDII code C0277 in a 2018 Chevrolet Silverado?

- Diagnose the problem by checking the brake pedal position sensor for proper operation, inspecting the wiring for any damage, and using a scan tool to read the trouble codes stored in the vehicle's computer.

4. Can I still drive my 2018 Chevrolet Silverado with OBDII code C0277 present?

- It is not recommended to drive the vehicle with this code present, as it may affect the proper operation of the braking system and compromise safety.

5. How can I repair OBDII code C0277 in my 2018 Chevrolet Silverado?

- Repair options include replacing the brake pedal position sensor, repairing any damaged wiring in the sensor circuit, or reprogramming the brake control module if necessary.

6. Will resetting the OBDII code C0277 in a 2018 Chevrolet Silverado make it go away permanently?

- Resetting the code may clear it temporarily, but if the underlying issue is not addressed, the code is likely to reappear.

7. Is it possible to fix OBDII code C0277 in a 2018 Chevrolet Silverado without professional help?

- While some basic checks can be done by DIY enthusiasts, resolving the issue may require specialized tools and knowledge, so seeking professional help is advisable.

8. Can extreme weather conditions affect the brake pedal position sensor circuit in a 2018 Chevrolet Silverado?

- Extreme temperatures or moisture can potentially impact the sensor or wiring, leading to the triggering of OBDII code C0277.

9. Are there any preventive measures to avoid OBDII code C0277 in a 2018 Chevrolet Silverado?

- Regularly inspecting the brake pedal position sensor, ensuring proper wiring connections, and maintaining overall brake system health can help prevent this code from appearing.

10. How long does it typically take to repair OBDII code C0277 in a 2018 Chevrolet Silverado?

- The repair time can vary depending on the exact cause of the issue and the expertise of the person performing the repair, but it may range from a few hours to a full day.