P1255 GMC Code - Fuel Pump Control Module Driver High Temperature
Quick Answer
The P1255 GMC code indicates that there is a high temperature condition detected in the fuel pump control module driver. Common causes include Faulty fuel pump control module, High ambient temperatures causing overheating, Electrical wiring or connector issues. 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
- P1255 GMC indicates Fuel Pump Control Module Driver High Temperature.
- Common causes
- Common causes include Faulty fuel pump control module, High ambient temperatures causing overheating, Electrical wiring or connector issues.
- 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.
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Code P1255 GMC Description
The P1255 GMC code indicates that there is a high temperature condition detected in the fuel pump control module driver. The fuel pump control module is responsible for regulating the fuel pump's operation, ensuring that the correct amount of fuel is delivered to the engine. When the module driver reaches a high temperature, it can lead to malfunctions in the fuel pump system, potentially causing issues with fuel delivery and engine performance. This can result in poor fuel efficiency, rough idling, engine stalling, or even the vehicle failing to start.
Common Causes of P1255 GMC
- Faulty fuel pump control module
- High ambient temperatures causing overheating
- Electrical wiring or connector issues
- Corrosion or damage to the fuel pump control module
- Engine overheating leading to increased temperatures in the module
Symptoms of P1255 GMC
- Check engine light illuminated on the dashboard
- Decreased fuel efficiency
- Engine misfires or hesitation during acceleration
- Engine stalling or difficulty starting
- Rough idling or vibrations while driving
How to Fix P1255 GMC
- Begin by diagnosing the root cause of the issue using a diagnostic scanner to verify the P1255 code.
- Inspect the fuel pump control module for any signs of damage or overheating.
- Check the electrical connections and wiring for any corrosion or loose connections.
- Replace the fuel pump control module if it is determined to be faulty.
- Clear the error code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1255 GMC
The cost of repairing a P1255 GMC code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair for this type of issue can range from $200 to $500, including parts and labor. It's important to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model, as well as the extent of the repair needed.
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Information for Specific GMC Models
- P1255 2014 GMC Sierra — Fuel Pump Control Module Driver High Temperature
- P1255 2015 GMC Sierra — Fuel Pump Control Module Driver High Temperature
- P1255 2016 GMC Sierra — Fuel Pump Control Module Driver High Temperature
- P1255 2017 GMC Sierra — Fuel Pump Control Module Driver High Temperature
- P1255 2018 GMC Sierra — Fuel Pump Control Module Driver High Temperature
Frequently Asked Questions about P1255 GMC Code
1. What are the common symptoms of OBDII code P1255 GMC (Fuel Pump Control Module Driver High Temperature)?
The common symptoms of this code may include engine stalling, rough idling, poor acceleration, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P1255 GMC?
Possible causes of this code include a faulty fuel pump control module, overheating of the fuel pump control module, electrical issues, or a damaged wiring harness.
3. How can I diagnose OBDII code P1255 GMC?
Diagnosing this code typically involves using a scan tool to retrieve the trouble codes, inspecting the fuel pump control module and its connections for any signs of overheating or damage, and testing the circuitry for proper voltage and continuity.
4. Can I still drive my vehicle with OBDII code P1255 GMC?
It is not recommended to drive your vehicle with this code as it can lead to potential fuel pump failure or other engine performance issues. It's best to address the underlying problem as soon as possible.
5. How can I repair OBDII code P1255 GMC?
Repairing this code may involve replacing the fuel pump control module, repairing any damaged wiring or connections, clearing the trouble codes, and conducting a thorough inspection to ensure proper functionality.
6. Are there any preventive measures to avoid OBDII code P1255 GMC?
To prevent this code from occurring, it's important to regularly inspect the fuel pump control module, ensure proper electrical connections, and address any signs of overheating or wiring issues promptly.
7. Can a DIY enthusiast fix OBDII code P1255 GMC?
While some DIY enthusiasts may have the skills to diagnose and repair this code, it is recommended to consult a professional mechanic for a thorough inspection and proper repair to avoid potential complications.
8. Is OBDII code P1255 GMC a common issue in GMC vehicles?
While not as common as some other OBDII codes, P1255 related to the Fuel Pump Control Module Driver High Temperature can occur in GMC vehicles, particularly in older models or those with high mileage.
9. How much does it cost to repair OBDII code P1255 GMC?
The cost of repairing this code can vary depending on the extent of the damage, the parts needed for replacement, and the labor charges. It's advisable to obtain quotes from different repair shops for a more accurate estimate.
10. Can OBDII code P1255 GMC affect fuel efficiency?
Yes, if left unresolved, this code can potentially impact fuel efficiency as it may lead to fuel pump malfunctions or inefficient fuel delivery to the engine. Addressing the issue promptly can help maintain optimal fuel efficiency.
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