ezOBD2 - Free OBD2 Code Lookup and Check Engine Light Diagnostic Tool

Diagnose Your Check Engine Light

Enter OBDII code below:

Code C0583

Symptoms

• Increased brake pedal effort

• Brake warning light on the dashboard

• Reduced braking performance

Common Causes

• Faulty brake booster motor

• Damaged or corroded wiring/connectors

• Faulty control module

Glossary

Brake Booster: A device that uses vacuum or hydraulic pressure to assist in applying the brakes.

Control Module: An electronic device that controls various functions in the vehicle.

Related Codes

• C0584

• C0585

Laymans terms

This code means that there's a problem with the electric motor that helps your car's brakes work. It's like when a toy's battery is dead and it won't move.

Explanation

The code indicates an issue with the electrical circuit for the brake booster motor, specifically in the B phase U-V-W circuit, which may be open or disconnected.

Technical description

The C0583 code is triggered when the vehicle's control module detects an open or malfunction in the B phase circuit of the brake booster motor. This motor is part of the electronic brake system, which assists in applying the brakes more effectively. The U-V-W circuit refers to the three-phase power supply used to drive the motor.

Diagnosis steps

• Check for any blown fuses related to the brake system.

• Inspect the wiring and connectors for damage or corrosion.

• Test the brake booster motor for proper operation.

Repair procedures

• Replace or repair damaged wiring/connectors.

• Replace the faulty brake booster motor.

• Reprogram or replace the control module if necessary.

Tools required

• Multimeter

• OBD-II scanner

• Basic hand tools (screwdrivers, wrenches)

Estimated repair cost

$200 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Tahoe

• GMC Yukon

• Cadillac Escalade

Preventive measures

• Regular maintenance of the brake system.

• Keep electrical connections clean and free of corrosion.

• Inspect brake components during routine service.

Error code type

Brake System Issue

User experience recommendations

• Do not ignore the brake warning light.

• Get the vehicle inspected by a professional if braking feels unusual.

Warranty information

Check with your vehicle manufacturer for specific warranty coverage related to the brake system.

Historical data

This code has been reported in vehicles with electronic brake systems that rely on electric motors for brake assistance.

Urgency level

High – Brake issues can significantly affect vehicle safety and should be addressed immediately.

Legal and safety notice

Driving with a malfunctioning brake system can be dangerous. It is recommended to have the vehicle repaired as soon as possible to ensure safety.

Testing conditions

• Vehicle must be parked and engine off.

• Ensure battery is charged and all electrical connections are secure.

Component location

The brake booster motor is typically located near the brake master cylinder in the engine compartment.

FAQs

Q: Can I drive with the C0583 code?
A: It's not recommended to drive with this code active, as it indicates potential issues with the braking system.

Q: How can I reset the C0583 code?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.

Last updated: Jun 8, 2026 • Source: internal database
🌙