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 has detected a problem with the electrical circuit that helps control the brakes. It's like if a wire that helps your brakes work isn't doing its job properly.
The C05BD code indicates an issue with the voltage supply to the position sensor of the brake booster motor B. This sensor is crucial for ensuring the brake booster operates correctly.
The brake booster motor B position sensor is responsible for detecting the position of the brake booster motor. A low supply circuit means that the sensor is not receiving adequate voltage, which can affect the braking system's performance.
• Reduced braking efficiency
• Brake warning light on the dashboard
• Unusual noises when braking
• Faulty brake booster motor position sensor
• Damaged wiring or connectors in the circuit
• Blown fuse or faulty relay
Brake Booster: A device that helps increase the force applied to the brakes.
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Check for any blown fuses related to the brake system.
• Inspect the wiring and connectors for damage or corrosion.
• Test the brake booster motor position sensor for proper operation.
• Replace the faulty brake booster motor position sensor.
• Repair or replace damaged wiring or connectors.
• Replace any blown fuses or faulty relays.
• Multimeter
• OBD-II scanner
• Wrench set
$150 - $400
Moderate
• Toyota Camry
• Honda Accord
• Ford Fusion
• Regularly inspect brake system wiring.
• Ensure connectors are free from corrosion.
• Perform routine maintenance checks on the braking system.
Sensor Issue
• Do not ignore the brake warning light.
• Have your vehicle inspected by a professional if you notice braking issues.
Check with your vehicle manufacturer for specific warranty coverage related to the braking system components.
This code has been reported in vehicles with electronic braking systems, particularly in models with advanced driver-assistance systems.
High – Brake system issues should be addressed immediately to ensure vehicle safety.
Driving with a malfunctioning brake system can be dangerous and is not recommended. Ensure repairs are conducted by a qualified technician.
• Vehicle parked on a level surface
• Engine off and battery disconnected
The brake booster motor position sensor is typically located near the brake booster assembly in the engine compartment.
Q: Can I drive with the C05BD code?
A: It's not recommended to drive with this code active, as it can affect your vehicle's braking performance.
Q: How can I clear the C05BD code?
A: After repairing the issue, you can clear the code using an OBD-II scanner. However, if the problem persists, the code will reappear.
Pro · Four-system diagnostics
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