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Code C0574

Symptoms

• ABS warning light illuminated

• Brake system warning light on

• Reduced braking performance

Common Causes

• Faulty brake pressure sensor

• Damaged wiring or connectors in the sensor circuit

• Faulty electronic brake control module (EBCM)

Glossary

ABS: Anti-lock Braking System

EBCM: Electronic Brake Control Module

Related Codes

• C0575

• C0576

Laymans terms

This code means there's a problem with a part of the car that helps measure how hard you're pressing the brake pedal. It's like if a video game controller button wasn't working right.

Explanation

The C0574 code indicates an issue with the brake pressure sensor circuit, which is not performing within the expected range.

Technical description

The brake pressure sensor is responsible for measuring the pressure applied to the brake system. The C0574 code is triggered when the sensor's output is not within the expected range, indicating a potential fault in the sensor itself, its wiring, or the associated control module.

Diagnosis steps

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

• Inspect the brake pressure sensor and its wiring for damage.

• Test the sensor's output using a multimeter.

Repair procedures

• Replace the faulty brake pressure sensor.

• Repair or replace damaged wiring or connectors.

• Replace the electronic brake control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

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 all electrical connections are secure.

• Perform routine maintenance as per the vehicle's schedule.

Error code type

Sensor Issue

User experience recommendations

• Do not ignore the ABS warning light.

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

Warranty information

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

Historical data

This code has been associated with issues in vehicles with electronic brake systems, particularly in models with advanced braking technology.

Urgency level

Moderate – While the vehicle may still be drivable, braking performance could be compromised, so it should be addressed promptly.

Legal and safety notice

Driving with compromised braking performance can be dangerous. Address this issue as soon as possible to ensure safety.

Testing conditions

• Vehicle must be on a level surface.

• Ensure the vehicle is in park with the parking brake engaged.

Component location

The brake pressure sensor is typically located near the master cylinder or integrated into the ABS module.

FAQs

Q: Can I drive with a C0574 code?
A: It's not recommended to drive with this code as it may affect braking performance.

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

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