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 is getting a signal from the brake pressure sensor that is too high, like if you were pressing the brakes really hard, even when you're not.
The brake pressure sensor measures how much pressure is being applied to the brakes. A 'circuit high' code means the sensor is sending a signal that is higher than expected.
The C05C7 code is triggered when the brake pressure sensor F sends a voltage signal to the Engine Control Module (ECM) that is above the normal range. This could be due to a short circuit, faulty sensor, or wiring issues.
• ABS warning light on
• Brake system warning light on
• Reduced braking performance
• Faulty brake pressure sensor
• Short circuit in the sensor wiring
• Faulty ECM
ECM: Engine Control Module
ABS: Anti-lock Braking System
• Scan the vehicle for additional codes.
• Inspect the brake pressure sensor and its wiring for damage.
• Test the brake pressure sensor with a multimeter.
• Replace the faulty brake pressure sensor.
• Repair or replace damaged wiring.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $400
Moderate
• Chevrolet Malibu
• GMC Sierra
• Cadillac CTS
• Regularly inspect brake system components.
• Ensure proper maintenance of brake fluid levels.
• Address any brake warning lights immediately.
Sensor Issue
• Do not ignore the warning lights on your dashboard.
• Have your vehicle inspected by a professional if you notice any braking issues.
Check with your vehicle manufacturer as brake components may be covered under warranty.
This code has been associated with issues in vehicles with electronic brake systems, particularly in models with advanced ABS technology.
High – Braking issues can lead to unsafe driving conditions.
Driving with a malfunctioning brake system can be dangerous and may violate traffic safety laws.
• Vehicle parked on a level surface.
• Engine off and ignition in the 'on' position.
The brake pressure sensor is typically located near the master cylinder or integrated into the ABS module.
Q: Can I drive with the C05C7 code?
A: It's not recommended to drive with this code as it may indicate a serious brake issue.
Q: How do I reset the C05C7 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is fixed, it should not return.
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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