Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer is having trouble reading the brake pressure sensor correctly, which helps control the brakes.
This code indicates that the brake pressure sensor is not working within its expected range or performance levels.
The C064C code is triggered when the Brake Pressure Sensor M does not send a signal within the expected range to the vehicle's control module. This sensor helps the system understand how much pressure is being applied to the brakes.
• ABS warning light on the dashboard
• Inconsistent brake performance
• Increased stopping distances
• Faulty brake pressure sensor
• Wiring issues or poor connections
• Malfunctioning control module
OBD-II: On-Board Diagnostics, a standardized system for vehicle diagnostics.
ABS: Anti-lock Braking System, a safety system that prevents wheels from locking up during braking.
• Check for any other related codes.
• Inspect the brake pressure sensor and its wiring.
• Test the sensor for proper operation.
• Replace the faulty brake pressure sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $400
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regular maintenance checks
• Ensure brake fluid is at the correct level
• Inspect brake system components periodically
Sensor Issue
• Do not ignore the ABS warning light.
• Have the brake system inspected by a professional.
Check with your vehicle manufacturer for specific warranty coverage on brake sensors.
This code has been associated with issues in vehicles with advanced braking systems, particularly in models from the early 2000s.
Moderate – It's important to address this issue to ensure safe braking performance.
Driving with a malfunctioning brake system can be dangerous. Ensure repairs are completed promptly.
• Vehicle stationary
• Engine running
The brake pressure sensor is typically located near the master cylinder or integrated into the ABS module.
Q: Can I drive with the C064C code?
A: It's not recommended to drive with this code as it may affect braking performance.
Q: How do I reset the ABS light?
A: The ABS light can be reset by fixing the underlying issue and clearing the code with an OBD-II scanner.
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.
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