C1255 Buick Code - EBCM Internal Malfunction
Quick Answer
The Electronic Brake Control Module (EBCM) has identified an internal malfunction and have set the OBDII code. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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
- C1255 Buick indicates EBCM Internal Malfunction.
- Common causes
- Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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 C1255 Buick Description
What are the Possible Causes of the DTC C1255 Buick?
- Faulty Electronic Brake Control Module (EBCM)
- Electronic Brake Control Module (EBCM) harness is open or shorted
- Electronic Brake Control Module (EBCM) circuit poor electrical connection
How to Fix the DTC C1255 Buick?
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 C1255 Buick 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 C1255 Buick Code
1. What does the OBDII code C1255 mean on a Buick?
C1255 indicates an "EBCM Internal Malfunction," meaning there is an issue within the Electronic Brake Control Module (EBCM) that manages the ABS system.
2. What are the common symptoms of the C1255 code in a Buick?
Symptoms include the ABS warning light being illuminated, reduced or lost ABS functionality, and sometimes erratic braking behavior.
3. What causes the C1255 code to appear on a Buick?
The code is commonly caused by an internal failure of the EBCM, poor electrical connections, corroded wiring, or a power supply issue to the module.
4. Can the C1255 code affect normal braking on my Buick?
Normal braking should still function, but ABS and traction control may be disabled, which can affect braking performance in slippery conditions.
5. How do I diagnose the C1255 code on my Buick?
Start by checking the wiring and connections to the EBCM for damage or corrosion. If the wiring is intact, perform a diagnostic scan to confirm the issue lies within the EBCM itself.
6. Can I drive my Buick with the C1255 code?
Driving is possible, but it is not recommended as the ABS and traction control systems may not function properly, increasing the risk of losing control in poor road conditions.
7. How much does it cost to fix the C1255 code on a Buick?
Repairs can range from $200 to $1,500, depending on whether the issue requires repairing wiring or replacing the EBCM.
8. Can the C1255 code be cleared without repairing the issue?
Clearing the code without addressing the root cause will only be a temporary fix, as the code will likely return once the system detects the malfunction again.
9. Is replacing the EBCM the only solution for the C1255 code?
Not always. Check for corroded or loose electrical connections and inspect the ground wire, as these are common issues that can trigger the code.
10. How do I prevent the C1255 code from occurring again on my Buick?
Regularly inspect and clean the electrical connections to the EBCM and ensure the module is receiving proper power and ground to avoid future issues.
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