C0543 2016 GMC Sierra Code - Brake Pressure Sensor 2 Circuit High
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
- C0543 2016 GMC Sierra indicates Brake Pressure Sensor 2 Circuit High.
- 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 C0543 2016 GMC Sierra 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 C0543 2016 GMC Sierra?
- 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 C0543 2016 GMC Sierra?
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 C0543 2016 GMC Sierra 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 C0543 2016 GMC Sierra code?
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Frequently Asked Questions about C0543 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code C0543 in a 2016 GMC Sierra?
The common symptoms include the illumination of the ABS warning light on the dashboard, potential loss of ABS functionality, and possible issues with the brake system's performance.
2. What does OBDII code C0543 Brake Pressure Sensor 2 Circuit High indicate in a 2016 GMC Sierra?
This code indicates that there is a high circuit voltage detected in the second brake pressure sensor, which may result in issues with brake pressure monitoring and ABS operation.
3. What are the possible causes of OBDII code C0543 in a 2016 GMC Sierra?
Possible causes include a faulty brake pressure sensor, damaged wiring or connectors in the brake pressure sensor circuit, issues with the ABS module, or a problem with the brake fluid pressure.
4. How can I diagnose OBDII code C0543 in my 2016 GMC Sierra?
Diagnosis involves using a scan tool to read the code, inspecting the brake pressure sensor and its wiring for any visible damage, and testing the sensor's circuit for proper voltage and continuity.
5. Is it safe to drive my 2016 GMC Sierra with OBDII code C0543 present?
It is not recommended to drive the vehicle with this code present, as it may affect the proper operation of the ABS system and compromise braking performance in certain situations.
6. Can I reset OBDII code C0543 in my 2016 GMC Sierra and see if it comes back?
While you can clear the code with a scan tool, it is essential to address the underlying issue causing the code to prevent it from reoccurring and potentially causing safety concerns while driving.
7. How can I repair OBDII code C0543 in my 2016 GMC Sierra?
Repair typically involves replacing the faulty brake pressure sensor, repairing any damaged wiring or connectors, or addressing issues with the ABS module as needed.
8. Are there any DIY tips for fixing OBDII code C0543 in a 2016 GMC Sierra?
DIY enthusiasts with automotive repair experience may attempt to replace the brake pressure sensor themselves, following the manufacturer's repair procedures and using the appropriate tools.
9. Can a mechanic easily fix OBDII code C0543 in my 2016 GMC Sierra?
A qualified mechanic with experience in ABS systems and brake components should be able to diagnose and repair OBDII code C0543 efficiently, ensuring proper functionality and safety of the brake system.
10. How much does it cost to repair OBDII code C0543 in a 2016 GMC Sierra?
The cost of repairing this code can vary depending on the extent of the issue, the parts needed for replacement, and the labor rates of the repair shop, but it typically ranges from $200 to $500.
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