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C1219 2016 GMC Sierra Code - Brake Pressure Sensor Supply Voltage Circuit Low

Quick Answer

The C1219 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to a "Brake Pressure Sensor Supply Voltage Circuit Low." This code indicates that there is an issue with the supply voltage to the brake pressure sensor in the vehicle's braking system. Common causes include Faulty brake pressure sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECU. 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
C1219 2016 GMC Sierra indicates Brake Pressure Sensor Supply Voltage Circuit Low.
Common causes
Common causes include Faulty brake pressure sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECU.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code C1219 2016 GMC Sierra Description

The C1219 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to a "Brake Pressure Sensor Supply Voltage Circuit Low." This code indicates that there is an issue with the supply voltage to the brake pressure sensor in the vehicle's braking system. The brake pressure sensor is responsible for monitoring the hydraulic pressure in the braking system and relaying this information to the vehicle's electronic control unit (ECU). When the supply voltage to the sensor is low, it can lead to inaccurate readings and potentially affect the vehicle's braking performance.

OBDII Code C1219 2016 GMC Sierra - Brake Pressure Sensor Supply Voltage Circuit Low
C1219 2016 GMC Sierra Code - Brake Pressure Sensor Supply Voltage Circuit Low

Common Causes of C1219 2016 GMC Sierra

  1. Faulty brake pressure sensor.
  2. Damaged wiring or connectors in the sensor circuit.
  3. Malfunctioning ECU.
  4. Low voltage supply from the vehicle's battery or alternator.
  5. Corrosion or contamination in the sensor connections.

Symptoms of C1219 2016 GMC Sierra

  1. ABS warning light and ESC warning light illuminated on the dashboard.
  2. Decreased braking performance or longer stopping distances.
  3. Inaccurate or erratic readings on the vehicle's brake pressure gauge.
  4. Unusual noises or vibrations when applying the brakes.
  5. Loss of traction or stability control in slippery or emergency braking situations.

How to Fix C1219 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the brake pressure sensor, wiring, and connectors for any visible damage or corrosion.
  2. Test the voltage supply to the sensor using a multimeter to determine if it is within the manufacturer's specified range.
  3. If the voltage supply is low, check the vehicle's battery and alternator to ensure they are functioning correctly.
  4. Replace the brake pressure sensor if it is found to be faulty, and repair or replace any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC using an OBD-II scanner and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix C1219 2016 GMC Sierra

The typical repair costs for addressing a "Brake Pressure Sensor Supply Voltage Circuit Low" code can vary depending on the specific cause of the issue and the parts and labor required for the repair. On average, the cost of replacing a brake pressure sensor can range from $150 to $300, including parts and labor. However, additional costs may be incurred if there are other underlying issues that need to be addressed. It is advisable to consult with a professional mechanic or auto repair shop to obtain a more accurate estimate based on the specific circumstances of the vehicle. Keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's essential to inquire about these factors when seeking a repair quote.

What does this mean?

Tech Notes for C1219 2016 GMC Sierra

Some vehicles have the Steering Angle Sensor integrated into the Clockspring.

Need more information about the C1219 2016 GMC Sierra 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 C1219 2016 GMC Sierra Code

1. What are common symptoms of OBDII code C1219 in a 2016 GMC Sierra?

Common symptoms include the ABS warning light being illuminated on the dashboard, loss of traction control, and potential issues with the vehicle's braking system.

2. What does the OBDII code C1219 on a 2016 GMC Sierra mean?

OBDII code C1219 indicates a problem with the Brake Pressure Sensor Supply Voltage Circuit being too low in the vehicle's braking system.

3. What are possible causes of OBDII code C1219 in a 2016 GMC Sierra?

Potential causes include a faulty brake pressure sensor, damaged wiring or connectors in the brake pressure sensor circuit, or a malfunction in the vehicle's electronic brake control module.

4. How can I diagnose the Brake Pressure Sensor Supply Voltage Circuit Low issue in my 2016 GMC Sierra?

Diagnosis typically involves using a diagnostic scan tool to read the OBDII trouble codes, checking the brake pressure sensor for proper operation, inspecting the wiring and connectors for damage, and testing the voltage supply to the sensor.

5. Can I continue driving my 2016 GMC Sierra with OBDII code C1219 present?

It is not recommended to continue driving the vehicle with this code present, as it can affect the proper functioning of the braking system and compromise safety.

6. How can I repair the Brake Pressure Sensor Supply Voltage Circuit Low issue in my 2016 GMC Sierra?

Repair options may include replacing the faulty brake pressure sensor, repairing or replacing damaged wiring or connectors, or addressing any issues with the electronic brake control module.

7. Are there any DIY tips for addressing OBDII code C1219 in a 2016 GMC Sierra?

While some basic troubleshooting like checking for loose connections or damaged wiring may be done by DIY enthusiasts, complex repairs involving sensor replacement or module reprogramming are best left to professionals.

8. Is it necessary to reset the OBDII code C1219 after making repairs in a 2016 GMC Sierra?

Yes, it is important to clear the trouble code using a diagnostic scan tool after repairing the issue to reset the system and ensure the ABS and traction control functions properly.

9. How much does it typically cost to repair OBDII code C1219 in a 2016 GMC Sierra?

The cost of repairs can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can OBDII code C1219 in a 2016 GMC Sierra cause any long-term damage if left untreated?

Leaving the issue unresolved can potentially lead to further damage to the vehicle's braking system, affecting safety and performance, so it is advisable to address the problem promptly.

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