Pro · Four-system diagnostics
FOXWELL Multi-System Scanner
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.
View on AmazonEasy 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 you brake. It's like when a toy car's battery is too strong and makes it go too fast or not work right.
The code indicates that the voltage in the circuit controlling the brake booster motor is too high.
The C0585 code is triggered when the control module detects a high voltage condition in the U-V-W circuit of the Brake Booster Motor B. This circuit is responsible for controlling the electric motor that assists in applying the brakes.
• Increased braking effort
• Brake warning light on the dashboard
• Reduced braking performance
• Faulty brake booster motor
• Damaged wiring or connectors in the U-V-W circuit
• Faulty control module
Brake Booster: A device that increases the force applied to the brake pedal.
U-V-W Circuit: A specific electrical circuit configuration used in motor control.
• Check for any other related codes and clear them.
• Inspect the wiring and connectors in the U-V-W circuit for damage.
• Test the brake booster motor for proper operation.
• Replace or repair damaged wiring or connectors.
• Replace the brake booster motor if faulty.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Wiring repair tools
$200 - $800
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regularly inspect brake system components.
• Ensure proper maintenance of electrical systems.
• Address any brake warning lights immediately.
Brake System Issue
• Do not ignore the brake warning light.
• Have your vehicle inspected by a professional if you notice increased braking effort.
• Regularly check your vehicle's brake system.
Brake system components may be covered under a powertrain or bumper-to-bumper warranty. Check with your vehicle manufacturer.
This code has been associated with vehicles using electric brake boosters, which have become more common in modern vehicles.
High – Braking issues can affect vehicle safety and should be addressed immediately.
Driving with a malfunctioning brake system can be dangerous and may violate traffic safety laws.
• Vehicle ignition on
• Brake pedal applied
The brake booster motor is typically located near the brake pedal assembly or under the hood, depending on the vehicle model.
Q: Can I drive with the C0585 code?
A: It's not recommended to drive with this code as it affects the braking system, which is crucial for safety.
Q: How do I reset the C0585 code?
A: After fixing the issue, you can use an OBD-II scanner to clear the code. However, if the problem persists, the code will reappear.
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.
View on Amazon
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.