P11FF Buick Code - Fuel Pump Command Signal Message Counter Incorrect
Quick Answer
The P11FF Buick code indicates that there is an issue with the fuel pump command signal message counter being incorrect. Common causes include Faulty fuel pump, Malfunctioning ECM, Wiring 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
- P11FF Buick indicates Fuel Pump Command Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty fuel pump, Malfunctioning ECM, Wiring 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 P11FF Buick Description
The P11FF Buick code indicates that there is an issue with the fuel pump command signal message counter being incorrect. In modern vehicles, the fuel pump is controlled by the engine control module (ECM) which sends signals to the fuel pump to regulate the fuel flow to the engine. The ECM keeps track of the number of signals sent to the fuel pump, and if the message counter is incorrect, it means that there is a discrepancy between the expected number of signals and the actual number of signals being received by the fuel pump. This can lead to various performance issues in the vehicle.
Common Causes of P11FF Buick
- Faulty fuel pump
- Malfunctioning ECM
- Wiring issues
- Poor connection between ECM and fuel pump
- Electrical problems
Symptoms of P11FF Buick
- Poor engine performance
- Rough idling
- Stalling
- Difficulty starting the vehicle
- Check engine light illuminated
How to Fix P11FF Buick
- Diagnose the issue using a diagnostic scanner to retrieve the trouble codes and pinpoint the exact cause of the problem.
- Inspect the fuel pump, ECM, wiring, and connections for any visible damage or signs of wear.
- Test the fuel pump command signal to determine if it is receiving the correct number of signals from the ECM.
- Replace the fuel pump if it is found to be faulty, or repair any wiring or connection issues.
- Clear the trouble codes and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P11FF Buick
The cost of repairing a P11FF Buick code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. It is important to note that the diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to check with local auto repair shops for a more accurate estimate.
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