Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This means there's a problem with the electric parking brake on the right side of the car. It's like when a toy's remote control isn't working because the batteries are too strong or there's a wiring problem.
The code C0612 indicates that the voltage in the circuit controlling the right side park brake actuator is higher than expected.
C0612 is triggered when the electronic control unit (ECU) detects a high voltage condition in the right park brake actuator control circuit. This may be due to issues such as a short circuit, faulty actuator, or wiring problems.
• Parking brake warning light on
• Parking brake not engaging or releasing properly
• Unusual noises from the brake area
• Faulty park brake actuator
• Short circuit in wiring
• Faulty control module
Actuator: A device that causes a mechanism to move or operate.
ECU: Electronic Control Unit, the computer that controls various functions in the vehicle.
• Use a scan tool to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the park brake actuator for proper operation.
• Repair or replace damaged wiring.
• Replace the faulty park brake actuator.
• Replace or reprogram the control module if necessary.
• OBD-II scan tool
• Multimeter
• Basic hand tools
$200 - $500
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regularly inspect brake system wiring.
• Ensure proper maintenance of the braking system.
• Avoid excessive moisture exposure to the brake components.
Brake System Issue
• Do not drive with the parking brake engaged.
• Have the vehicle inspected by a professional if the warning light is on.
Check with the manufacturer for warranty coverage on brake components.
This code has been associated with issues in vehicles with electronic parking brakes, particularly in models from the mid-2000s onwards.
Moderate – It's important to address this issue to ensure the parking brake functions correctly.
Driving with a malfunctioning parking brake can be unsafe and may violate vehicle safety regulations.
• Vehicle parked on a level surface
• Ignition in the 'On' position without starting the engine
The right park brake actuator is typically located near the rear right wheel of the vehicle.
Q: Can I drive with code C0612?
A: It's not recommended to drive with this code active, as the parking brake may not function properly.
Q: How do I reset the parking brake warning light?
A: The light will reset after the fault is repaired and the code is cleared 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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