AutoCodes – GMC – P057C 2014 GMC Sierra

P057C 2014 GMC Sierra Code - Brake Pedal Position Sensor Circuit Low Voltage

Quick Answer

The Brake Pedal Position (BPP) sensor is used to sense the action of the driver's application of the brake pedal. Common causes include Brake Pedal Position Sensor Calibration, Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted. 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: P057C 2014 GMC Sierra indicates Brake Pedal Position Sensor Circuit Low Voltage.
Common causes: Common causes include Brake Pedal Position Sensor Calibration, Faulty Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted.
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 333

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 14, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P057C 2014 GMC Sierra Description

The Brake Pedal Position (BPP) 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 Brake Pedal Position Sensor contains 2 potentiometer-type brake pedal position sensors. When the pedal is pressed, the voltage of one sensor goes up and the voltage of the other sensor goes down. The Diagnostic Trouble Code (DTC) will be set when the Brake Pedal Position Sensor is less than 0.25 V for greater than 1 s.

OBDII Code P057C 2014 GMC Sierra - Brake Pedal Position Sensor Circuit Low Voltage - AutoCodes.com — P057C 2014 GMC Sierra Code - Brake Pedal Position Sensor Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P057C 2014 GMC Sierra?

Brake Pedal Position Sensor Calibration
Faulty Brake Pedal Position Sensor
Brake Pedal Position Sensor harness is open or shorted
Brake Pedal Position Sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P057C 2014 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P057C 2014 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 P057C 2014 GMC Sierra code?

Need more information on how to fix the P057C 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the 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 P057C 2014 GMC Sierra Code

1. What does the OBDII code P057C mean on a 2014 GMC Sierra?

P057C indicates a low voltage issue in the Brake Pedal Position Sensor circuit, which monitors the position of the brake pedal.

2. What are the common symptoms of a P057C code in a 2014 GMC Sierra?

Symptoms may include the brake lights not functioning properly, cruise control not working, or the Check Engine Light being illuminated.

3. What causes the P057C code to appear in a 2014 GMC Sierra?

Common causes include a faulty brake pedal position sensor, damaged wiring or connectors in the sensor circuit, or a failing powertrain control module (PCM).

4. Can I drive my 2014 GMC Sierra with a P057C code?

It is not recommended to drive with this code active, as it may affect brake light operation and cruise control functionality, posing a safety risk.

5. How do I diagnose a P057C code on a 2014 GMC Sierra?

Start by inspecting the brake pedal position sensor, its wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit.

6. How do I fix the P057C code on a 2014 GMC Sierra?

Repairs may include replacing the brake pedal position sensor, repairing damaged wiring or connectors, or reprogramming/updating the PCM if necessary.

7. How much does it cost to fix the P057C code on a 2014 GMC Sierra?

The cost can vary but typically ranges from $100 to $300, depending on whether the sensor or wiring needs replacement.

8. Can a weak battery cause the P057C code in a 2014 GMC Sierra?

Yes, a weak or failing battery can sometimes cause low voltage issues in the brake pedal position sensor circuit.

9. Will clearing the P057C code with a scanner fix the problem?

Clearing the code won't fix the underlying issue. The problem must be diagnosed and repaired to prevent the code from returning.

10. Is the brake pedal position sensor hard to replace on a 2014 GMC Sierra?

Replacing the sensor is generally straightforward and involves disconnecting the wiring harness, unbolting the old sensor, and installing a new one. Always refer to the vehicle's service manual for specific instructions.