AutoCodes – Chevrolet – C1239 2016 Chevrolet Silverado

C1239 2016 Chevrolet Silverado Code - Brake Pressure Sensor 1/2 Correlation

Quick Answer

The Electronic Brake Control Module uses inputs from the Electronic Brake Control Brake Pedal Position Sensor to determine when the brake is applied and how much force is used. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module circuit poor electrical connection. 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
C1239 2016 Chevrolet Silverado indicates Brake Pressure Sensor 1/2 Correlation.
Common causes
Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module harness is open or shorted, Electronic Brake Control Module circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 142
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2023
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Code C1239 2016 Chevrolet Silverado Description

The Electronic Brake Control Module uses inputs from the Electronic Brake Control Brake Pedal Position Sensor to determine when the brake is applied and how much force is used. The Electronic Brake Control Module monitors when the driver's foot is on the brake and locks the offset. The offset is locked when three out of the four inputs indicate the brake pedal is applied. The four inputs are brake pedal travel 1, brake pedal travel 2, master cylinder pressure sensor, and brake pedal position sensor. These inputs are used to determine the driver's braking intent which is used to control the amount of pressure applied to the wheels.
Brake pressure sensor information is communicated from the Electronic Brake Control Module (EBCM) to the Hybrid Control Processor (HCP). This information is used to schedule regenerative braking and engine autostops.
The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module (ECM) detects a corrupted data message from the Electronic Brake Control Module.
OBDII Code C1239 2016 Chevrolet Silverado - Brake Pressure Sensor 1/2 Correlation - AutoCodes.com
C1239 2016 Chevrolet Silverado Code - Brake Pressure Sensor 1/2 Correlation

What are the Possible Causes of the DTC C1239 2016 Chevrolet Silverado?

  • Faulty Electronic Brake Control Module (EBCM)
  • Electronic Brake Control Module harness is open or shorted
  • Electronic Brake Control Module circuit poor electrical connection
  • Faulty Starter/Generator Control Module

How to Fix the DTC C1239 2016 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 C1239 2016 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 C1239 2016 Chevrolet Silverado code?

Need more information on how to fix the C1239 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1239 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 C1239 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code C1239 on a 2016 Chevrolet Silverado?

- Common symptoms include the ABS warning light being illuminated on the dashboard, potential loss of brake performance, and possible issues with the vehicle stability control system.

2. What does the OBDII code C1239 Brake Pressure Sensor 1/2 Correlation mean for a 2016 Chevrolet Silverado?

- This code indicates a discrepancy between the readings from brake pressure sensors 1 and 2 in the vehicle's braking system.

3. What are the possible causes of OBDII code C1239 on a 2016 Chevrolet Silverado?

- Causes can include faulty brake pressure sensors, wiring issues, sensor calibration problems, or issues with the ABS control module.

4. How serious is the OBDII code C1239 Brake Pressure Sensor 1/2 Correlation on a 2016 Chevrolet Silverado?

- This code should be taken seriously as it can affect the proper functioning of the vehicle's braking system and compromise safety on the road.

5. Can I continue to drive my 2016 Chevrolet Silverado with OBDII code C1239 active?

- It is not recommended to drive the vehicle with this code active, as it can lead to potential brake-related issues and compromise safety.

6. How can I diagnose and repair OBDII code C1239 on a 2016 Chevrolet Silverado?

- Diagnosis typically involves inspecting the brake pressure sensors, checking wiring connections, and potentially recalibrating or replacing sensors as needed.

7. Is it possible to reset the OBDII code C1239 on a 2016 Chevrolet Silverado without fixing the issue?

- While you can clear the code temporarily, it will likely reappear until the underlying problem with the brake pressure sensors is addressed.

8. Can a DIY enthusiast fix OBDII code C1239 on a 2016 Chevrolet Silverado?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and replace faulty brake pressure sensors to address this code.

9. How much does it typically cost to repair OBDII code C1239 on a 2016 Chevrolet Silverado at a professional mechanic?

- Repair costs can vary but may include sensor replacement, wiring repairs, and diagnostic fees, potentially ranging from $200 to $500 or more.

10. Are there any preventative measures to avoid OBDII code C1239 on a 2016 Chevrolet Silverado?

- Regular maintenance of the braking system, including checking sensor health and wiring integrity, can help prevent issues leading to this code.

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