AutoCodesChevrolet – P0573 2014 Chevrolet Silverado

P0573 2014 Chevrolet Silverado Code - Brake Switch Circuit High Voltage

Quick Answer

The Brake Pedal Position Sensor signal circuit is a B+ input from the Body Control Module (BCM) to the Engine Control Module (ECM). Common causes include Faulty Brake Pedal Position Sensor, Misadjusted Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0573 2014 Chevrolet Silverado indicates Brake Switch Circuit High Voltage.
Common causes
Common causes include Faulty Brake Pedal Position Sensor, Misadjusted Brake Pedal Position Sensor, Brake Pedal Position Sensor harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 460
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 14, 2022
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Code P0573 2014 Chevrolet Silverado Description

The Brake Pedal Position Sensor signal circuit is a B+ input from the Body Control Module (BCM) to the Engine Control Module (ECM). The BCM and ECM monitor the Brake Pedal Position Sensor signal circuit to detect when the brake pedal has been applied. When the brake pedal is applied, the BCM supplies B+ on the stop lamp signal circuit and also sends a serial data message to the ECM indicating that the brake pedal has been applied. This Diagnostic Trouble Code (DTC) will be set when the ECM detects a short to voltage on the discrete brake signal circuit when the serial data message from the BCM indicates the brakes are not applied. This diagnostic will run when the serial data message and the voltage signal on the brake switch signal circuit do not match for 8 out 10 times, and the condition is present for greater than 2 s.
OBDII Code P0573 2014 Chevrolet Silverado - Brake Switch Circuit High Voltage - AutoCodes.com
P0573 2014 Chevrolet Silverado Code - Brake Switch Circuit High Voltage

What are the Possible Causes of the DTC P0573 2014 Chevrolet Silverado?

  • Faulty Brake Pedal Position Sensor
  • Misadjusted Brake Pedal Position Sensor
  • Brake Pedal Position Sensor harness is open or shorted
  • Brake Pedal Position Sensor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC P0573 2014 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0573 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0573 2014 Chevrolet Silverado code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0573 2014 Chevrolet Silverado Code

1. What does the OBDII code P0573 mean on a 2014 Chevrolet Silverado?

P0573 indicates a problem with the brake switch circuit, specifically that the voltage detected is higher than expected.

2. What are the common symptoms of code P0573 in a 2014 Chevrolet Silverado?

Symptoms may include the brake lights not functioning properly, cruise control not working, and the illumination of the check engine light.

3. What causes the P0573 code to appear in a 2014 Chevrolet Silverado?

Common causes include a faulty brake light switch, damaged wiring or connectors in the brake switch circuit, or an issue with the vehicle's powertrain control module (PCM).

4. Can a faulty brake light switch trigger the P0573 code?

Yes, a faulty or misaligned brake light switch is one of the most common causes of the P0573 code.

5. How do I troubleshoot the P0573 code on my truck?

Start by checking the brake lights for proper operation, inspecting the brake switch and its wiring for damage or corrosion, and testing the switch for correct voltage output.

6. Can I drive my 2014 Chevrolet Silverado with a P0573 code?

While the vehicle may still be drivable, issues like non-functional brake lights or cruise control can pose safety risks, so immediate repair is recommended.

7. How do I fix the P0573 code on my Silverado?

Repairs may include replacing a faulty brake light switch, repairing damaged wiring, or cleaning corroded connectors in the brake switch circuit.

8. How much does it cost to fix the P0573 code?

Repair costs vary but typically range from $50 to $200, depending on whether it’s just the brake switch or additional wiring repairs.

9. Can a blown fuse cause the P0573 code in my Silverado?

Although uncommon, a blown fuse in the brake light circuit could lead to voltage issues and trigger the P0573 code.

10. Will clearing the P0573 code fix the problem permanently?

Clearing the code will reset it temporarily, but the underlying issue causing the high voltage must be repaired to prevent the code from returning.

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