C1239 2017 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 2017 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 2017 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 2017 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 2017 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 2017 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 2017 Chevrolet Silverado Code
What does the OBDII code C1239 mean for a 2017 Chevrolet Silverado?
Code C1239 indicates a Brake Pressure Sensor 1/2 Correlation issue, meaning the two brake pressure sensors are providing mismatched readings.
What are common symptoms of code C1239 in a 2017 Chevrolet Silverado?
Symptoms may include the ABS warning light, traction control light, reduced braking performance, and stability control system malfunction.
What causes code C1239 in a 2017 Chevrolet Silverado?
Common causes include a faulty brake pressure sensor, wiring issues, connector problems, or a malfunctioning ABS module.
Can I still drive my 2017 Chevrolet Silverado with code C1239 active?
While the truck may still be drivable, braking and stability control systems may be compromised, posing a safety risk. Prompt repair is recommended.
How can I diagnose code C1239 in a 2017 Chevrolet Silverado?
Start by inspecting the brake pressure sensors, wiring, and connectors for damage. Use a scan tool to monitor sensor readings for discrepancies.
How do I fix code C1239 on a 2017 Chevrolet Silverado?
Possible repairs include replacing the faulty brake pressure sensor, repairing damaged wiring, cleaning connectors, or recalibrating the ABS module.
Do both brake pressure sensors need to be replaced for code C1239?
Not always. If only one sensor is faulty, replacing the defective sensor may resolve the issue without replacing both.
Can a dirty or damaged connector cause code C1239?
Yes, corrosion or damage to the connectors can disrupt the sensor signals and lead to this code.
How much does it cost to fix code C1239 on a 2017 Chevrolet Silverado?
Repair costs vary depending on the issue but typically range from $100 to $500, including parts and labor.
Does clearing the code C1239 resolve the problem permanently?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to reappear.
Discuss the causes and fixes for C1239 2017 Chevrolet Silverado OBDII Code
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