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

Diagnose Your Check Engine Light

Enter OBDII code below:

Code C0570

Symptoms

• Brake warning light on the dashboard

• Inconsistent brake pedal feel

• ABS system may be disabled

Common Causes

• Faulty brake booster travel sensor

• Wiring issues such as short circuits or open circuits

• Faulty or corroded connectors

Glossary

Brake Booster: A component that helps increase the force applied to the brake pedal.

Circuit High: A condition where the voltage is higher than expected in an electrical circuit.

Related Codes

• C0569

• C0571

Laymans terms

This means that a sensor that helps the car understand how much you are pressing the brake pedal is not working properly.

Explanation

The brake booster travel sensor measures how far the brake pedal is pushed and sends this information to the car's computer. If the circuit is high, it means the sensor is sending too much voltage or is not working correctly.

Technical description

The C0570 code indicates a problem with the brake booster travel sensor circuit, specifically that the voltage level is higher than expected. This could be due to a short circuit, a faulty sensor, or a wiring issue.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the brake booster travel sensor and its wiring for damage.

• Check the connectors for corrosion or looseness.

Repair procedures

• Replace the brake booster travel sensor if faulty.

• Repair or replace damaged wiring or connectors.

• Clear the code and test drive the vehicle to ensure the issue is resolved.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools (screwdrivers, wrenches)

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Silverado

• GMC Sierra

• Cadillac Escalade

Preventive measures

• Regularly inspect brake system components.

• Ensure connectors are clean and secure.

• Avoid harsh driving conditions that could damage wiring.

Error code type

Sensor Issue

User experience recommendations

• Have your vehicle inspected by a professional if you notice braking issues.

• Do not ignore the brake warning light on your dashboard.

Warranty information

Check with your vehicle manufacturer for warranty coverage on brake system components.

Historical data

This code has been associated with vehicles that have electronic brake control systems, particularly in models from the mid-2000s onwards.

Urgency level

High – Brake system issues can affect vehicle safety and should be addressed promptly.

Legal and safety notice

Driving with a malfunctioning brake system can be dangerous and may violate road safety regulations.

Testing conditions

• Vehicle stationary with engine on

• Brake pedal operation

Component location

The brake booster travel sensor is typically located near the brake pedal or within the brake booster assembly.

FAQs

Q: Can I drive with a C0570 code?
A: It's not recommended to drive with this code active as it may indicate a problem with the braking system.

Q: How do I clear the C0570 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is fixed, it should not return.

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