P1255 GMC Code - Fuel Pump Control Module Driver High Temperature
Quick Answer
The Engine Control Module (ECM) supplies voltage to the fuel pump control module when the ECM detects that the ignition is on. Common causes include Faulty Fuel Pump Control Module, Fuel Pump Control Module harness is open or shorted, Fuel Pump 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
- P1255 GMC indicates Fuel Pump Control Module Driver High Temperature.
- Common causes
- Common causes include Faulty Fuel Pump Control Module, Fuel Pump Control Module harness is open or shorted, Fuel Pump 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 P1255 GMC Description
(Actual Fuel Pump Control Module looks may be different)
What are the Possible Causes of the DTC P1255 GMC?
- Faulty Fuel Pump Control Module
- Fuel Pump Control Module harness is open or shorted
- Fuel Pump Control Module circuit poor electrical connection
How to Fix the DTC P1255 GMC?
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 P1255 GMC 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 P1255 GMC code?
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Need Help with the Code?
Get the P1255 GMC code diagnosed by a professional: Find a repair shop in your area
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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