P057C 2017 GMC Sierra Code - Brake Pedal Position Sensor Circuit Low Voltage
Quick Answer
The P057C diagnostic trouble code (DTC) for a 2017 GMC Sierra specifically refers to the Brake Pedal Position Sensor Circuit Low Voltage. Common causes include Damaged or corroded wiring/connectors in the brake pedal position sensor circuit, Faulty brake pedal position sensor, ECM software issues or malfunctions. 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 2017 GMC Sierra indicates Brake Pedal Position Sensor Circuit Low Voltage.
- Common causes
- Common causes include Damaged or corroded wiring/connectors in the brake pedal position sensor circuit, Faulty brake pedal position sensor, ECM software issues or malfunctions.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P057C 2017 GMC Sierra Description
The P057C diagnostic trouble code (DTC) for a 2017 GMC Sierra specifically refers to the Brake Pedal Position Sensor Circuit Low Voltage. This code indicates that the voltage signal from the brake pedal position sensor has fallen below the expected range, causing the Engine Control Module (ECM) to trigger the warning light and store the code. The brake pedal position sensor is a critical component of the vehicle's braking system as it helps the ECM understand the driver's braking intentions. When the sensor detects a low voltage signal, it can lead to issues with brake performance, potentially affecting safety and drivability.
Common Causes of P057C 2017 GMC Sierra
- Damaged or corroded wiring/connectors in the brake pedal position sensor circuit
- Faulty brake pedal position sensor
- ECM software issues or malfunctions
- Low battery voltage affecting sensor readings
- Environmental factors such as moisture or debris affecting sensor operation
Symptoms of P057C 2017 GMC Sierra
- Illumination of the check engine light on the dashboard
- Inaccurate or erratic brake pedal behavior
- Increased stopping distance or reduced braking effectiveness
- Traction control or stability control system activation
- ABS system malfunctions or warning lights
How to Fix P057C 2017 GMC Sierra
- Begin by diagnosing the issue using a diagnostic scanner to retrieve the DTC and identify the specific cause of the low voltage signal.
- Inspect the wiring harness and connectors associated with the brake pedal position sensor for any damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the brake pedal position sensor using a multimeter to verify its functionality and voltage output. Replace the sensor if it fails the test.
- Clear the DTC from the ECM memory using the diagnostic scanner and perform a road test to ensure the issue has been resolved.
- If the problem persists, further inspection of the ECM and related systems may be required to pinpoint the root cause of the low voltage signal.
Cost to Fix P057C 2017 GMC Sierra
The typical repair costs for addressing the P057C code on a 2017 GMC Sierra may vary depending on the specific cause of the issue and the labor rates of the auto repair shop. In general, the cost of replacing a brake pedal position sensor can range from $100 to $200, while addressing wiring or connector issues may add to the total repair cost. The total repair cost, including parts and labor, may range from $150 to $400. However, it's essential to note that diagnosis time and labor rates at auto repair shops can fluctuate based on factors such as location, vehicle make and model, and engine type. Auto repair shops typically charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships and lower at independent shops. It's advisable to obtain a detailed estimate from a local auto repair shop to determine the precise cost of resolving the P057C code on a 2017 GMC Sierra.
Need more information about the P057C 2017 GMC Sierra code?
Need more information on how to fix the P057C 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P057C 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P057C 2017 GMC Sierra Code
What does the OBDII code P057C mean for a 2017 GMC Sierra?
The code P057C indicates a "Brake Pedal Position Sensor Circuit Low Voltage," meaning the brake pedal position sensor is not receiving or sending the correct voltage signals.
What are the common symptoms of code P057C in a 2017 GMC Sierra?
Symptoms may include the brake lights not functioning properly, difficulty with cruise control operation, and dashboard warning lights such as the ABS or check engine light.
What causes the P057C code to appear on a 2017 GMC Sierra?
Common causes include a faulty brake pedal position sensor, damaged wiring or connectors in the sensor circuit, or low system voltage.
Can you drive a 2017 GMC Sierra with the P057C code?
While the vehicle may still be drivable, issues like malfunctioning brake lights or cruise control can pose safety risks and should be addressed as soon as possible.
How do you diagnose the P057C code in a 2017 GMC Sierra?
A technician will use an OBDII scanner to read the code, visually inspect the brake pedal position sensor and its wiring, and test the voltage in the sensor circuit.
How can the P057C code be fixed on a 2017 GMC Sierra?
Repairs may include replacing the brake pedal position sensor, repairing or replacing damaged wiring, or clearing the code after resolving the issue.
What tools are needed to fix the P057C code on a 2017 GMC Sierra?
Basic tools include an OBDII scanner, multimeter for voltage testing, and possibly a socket set or screwdriver to remove and replace the sensor.
How much does it cost to repair the P057C code on a 2017 GMC Sierra?
Costs vary but typically range from $100 to $300 for parts and labor, depending on whether the sensor or wiring needs replacement.
Can a weak battery cause the P057C code on a 2017 GMC Sierra?
Yes, a weak or failing battery can lead to low system voltage, which may trigger the P057C code.
How do you prevent the P057C code from recurring on a 2017 GMC Sierra?
Regular maintenance, including inspecting wiring for damage and ensuring the battery is in good condition, can help prevent this issue.
Discuss the causes and fixes for P057C 2017 GMC Sierra OBDII Code
Code P057C 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.