C1239 2015 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 2015 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.
Code C1239 2015 Chevrolet Silverado Description
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.
What are the Possible Causes of the DTC C1239 2015 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 2015 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 2015 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.
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Frequently Asked Questions about C1239 2015 Chevrolet Silverado Code
What does the OBDII code C1239 mean on a 2015 Chevrolet Silverado?
Code C1239 indicates a Brake Pressure Sensor 1/2 Correlation issue, meaning the signals from the two brake pressure sensors do not match as expected.
What are the common symptoms of code C1239 on a 2015 Chevrolet Silverado?
Common symptoms include the ABS warning light turning on, reduced braking performance, and possible activation of failsafe or limp mode.
What causes code C1239 on a 2015 Chevrolet Silverado?
Potential causes include faulty brake pressure sensors, wiring or connector issues, a malfunctioning ABS module, or calibration errors.
Can I drive my 2015 Chevrolet Silverado with code C1239?
While the vehicle may still be drivable, it is not recommended because the ABS system may not function correctly, increasing the risk of brake failure in emergencies.
How do I diagnose code C1239 on a 2015 Chevrolet Silverado?
Diagnosis typically involves scanning for additional codes, inspecting the brake pressure sensors and their wiring, and using a scan tool to compare sensor data.
How do I fix code C1239 on a 2015 Chevrolet Silverado?
Repairs may include replacing a faulty brake pressure sensor, repairing damaged wiring or connectors, or recalibrating the ABS module.
How much does it cost to repair code C1239 on a 2015 Chevrolet Silverado?
Repair costs can vary, but replacing a brake pressure sensor usually costs between $200 and $400, including parts and labor.
Can a low brake fluid level cause code C1239 on a 2015 Chevrolet Silverado?
Low brake fluid is unlikely to directly trigger code C1239 but can affect the braking system and should be addressed immediately.
Do I need to recalibrate the ABS module after fixing code C1239 on a 2015 Chevrolet Silverado?
Recalibration may be necessary, especially if a sensor or the ABS module itself has been replaced.
What tools are needed to fix code C1239 on a 2015 Chevrolet Silverado?
You’ll need an OBDII scan tool, a multimeter for electrical testing, and possibly specialized software for ABS module recalibration.
Discuss the causes and fixes for C1239 2015 Chevrolet Silverado OBDII Code
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