Engine-CodesGMC – C0542 2016 GMC Sierra

C0542 2016 GMC Sierra Code - Brake Pressure Sensor 2 Circuit Low

Quick Answer

The C0542 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to the Brake Pressure Sensor 2 Circuit Low. Common causes include Faulty brake pressure sensor 2, Damaged wiring or connectors in the brake pressure sensor circuit, Corrosion or poor connections in the sensor circuit. 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
C0542 2016 GMC Sierra indicates Brake Pressure Sensor 2 Circuit Low.
Common causes
Common causes include Faulty brake pressure sensor 2, Damaged wiring or connectors in the brake pressure sensor circuit, Corrosion or poor connections in the sensor circuit.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code C0542 2016 GMC Sierra Description

The C0542 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to the Brake Pressure Sensor 2 Circuit Low. This code indicates that there is an issue with the brake pressure sensor circuit, specifically sensor 2, which is responsible for monitoring the brake pressure within the vehicle's braking system. The brake pressure sensor plays a crucial role in ensuring that the vehicle's braking system functions properly and efficiently.

OBDII Code C0542 2016 GMC Sierra - Brake Pressure Sensor 2 Circuit Low
C0542 2016 GMC Sierra Code - Brake Pressure Sensor 2 Circuit Low

Common Causes of C0542 2016 GMC Sierra

  1. Faulty brake pressure sensor 2
  2. Damaged wiring or connectors in the brake pressure sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. Malfunctioning brake pressure sensor module
  5. Electrical issues within the braking system

Symptoms of C0542 2016 GMC Sierra

  1. Illuminated ABS warning light on the dashboard
  2. Decreased brake performance or responsiveness
  3. Longer braking distances
  4. ABS system malfunction or activation
  5. Loss of traction control system functionality

How to Fix C0542 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the brake pressure sensor 2 circuit, checking for any visible damage, corrosion, or loose connections.
  2. Test the brake pressure sensor 2 using a multimeter to determine if it is functioning correctly and providing accurate readings.
  3. If the sensor is found to be faulty, replace it with a new, OEM-quality sensor.
  4. Inspect and repair any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC from the vehicle's computer system using a diagnostic scanner and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C0542 2016 GMC Sierra

The typical repair costs for addressing the C0542 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this type of issue can range from $200 to $500, including parts and labor. It's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair shops for a more accurate estimate based on your specific circumstances.

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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.

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