Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer found an issue with the sensor that checks the temperature of the brake booster. It's like when a thermometer isn't working right and gives strange readings.
The C057C code indicates a problem with the range or performance of the brake booster temperature sensor B circuit.
The brake booster temperature sensor B is responsible for monitoring the temperature of the brake booster to ensure optimal performance. If the sensor's readings are outside the expected range or its performance is erratic, the vehicle's control module triggers this code.
• Brake warning light on the dashboard
• Reduced braking efficiency
• Unusual brake pedal feel
• Inconsistent braking performance
• Faulty brake booster temperature sensor
• Wiring issues in the sensor circuit
• Poor electrical connections
• Malfunctioning control module
Brake Booster: A component that helps reduce the effort needed to apply the brakes.
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Check for any visible damage to the sensor or wiring.
• Use a multimeter to test the sensor's resistance.
• Inspect electrical connections for corrosion or looseness.
• Scan the vehicle for additional trouble codes.
• Replace the faulty brake booster temperature sensor.
• Repair or replace damaged wiring or connectors.
• Clear the trouble codes and test drive the vehicle.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $400
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regularly inspect brake system components.
• Ensure electrical connections are clean and secure.
• Replace sensors at recommended intervals.
Sensor Issue
• Do not ignore brake warning lights.
• Have brakes inspected by a professional regularly.
Check with your vehicle's manufacturer for specific warranty coverage on brake system components.
This code has been more prevalent in vehicles with advanced brake systems that include temperature monitoring for enhanced safety.
High – Brake system issues should be addressed immediately to ensure vehicle safety.
Driving with a malfunctioning brake system can be dangerous and may violate road safety regulations.
• Vehicle at operating temperature
• Stationary with engine running
The brake booster temperature sensor is typically located near the brake booster assembly, often mounted on or near the firewall in the engine compartment.
Q: Can I drive with a C057C code?
A: It's not recommended to drive with this code active, as it may affect the braking performance of your vehicle.
Q: How do I reset the C057C code?
A: After repairs, you can reset the code using an OBD-II scanner. However, ensure the issue is resolved to prevent the code from reappearing.
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