Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the electric motor that helps your car's brakes work. It's like if the motor that helps you pedal your bike stopped working.
The code indicates an issue with the electrical circuit of the brake booster motor, specifically in the U-V-W phase connections.
The C057F code is triggered when the vehicle's control module detects an open or faulty circuit in the brake booster motor's U-V-W phases. This motor is responsible for providing additional force to the braking system, making it easier to stop the vehicle. An open circuit means that the electrical path is broken, preventing the motor from functioning properly.
• Increased effort required to apply brakes
• Brake warning light on the dashboard
• Unusual noises from the brake system
• Faulty brake booster motor
• Damaged or corroded wiring/connectors
• Faulty control module
Brake Booster: A component that amplifies the force applied to the brake pedal.
Circuit: A complete and closed path around which a circulating electric current can flow.
• Inspect wiring and connectors for damage or corrosion.
• Test the brake booster motor for functionality.
• Check the control module for fault codes and proper operation.
• Repair or replace damaged wiring/connectors.
• Replace the brake booster motor if faulty.
• Reprogram or replace the control module if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$200 - $600
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regular maintenance checks on the brake system.
• Ensure wiring and connectors are free from corrosion.
• Promptly address any brake-related warning lights.
Brake System Issue
• Do not ignore brake warning lights.
• Have your brakes inspected regularly.
• Drive cautiously if experiencing brake issues.
Check with your vehicle manufacturer for warranty coverage on brake components.
This code has been associated with vehicles using electric brake booster systems, particularly in models with advanced braking technologies.
High – Brake system issues can affect vehicle safety and should be addressed immediately.
Driving with a malfunctioning brake system can be dangerous and may violate vehicle safety regulations.
• Vehicle stationary with ignition on.
• Brake pedal applied.
The brake booster motor is typically located near the brake master cylinder in the engine bay.
Q: What does the brake booster motor do?
A: It helps increase the force applied to the brakes, making it easier to stop the vehicle.
Q: Can I drive with this code?
A: It's not recommended as it may compromise braking performance and safety.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
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Universal · Torque wrench
Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.
Useful when wheel, hub, or suspension hardware needs correct reassembly torque.
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Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.