P11FF Code - Fuel Pump Command Signal Message Counter Incorrect
Quick Answer
The P11FF code indicates that the Fuel Pump Command Signal Message Counter is incorrect. Common causes include Faulty fuel pump control module, Wiring or connection issues in the fuel pump circuit, Corrosion or damage to the fuel pump relay. 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 indicates Fuel Pump Command Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty fuel pump control module, Wiring or connection issues in the fuel pump circuit, Corrosion or damage to the fuel pump relay.
- 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 Description
The P11FF code indicates that the Fuel Pump Command Signal Message Counter is incorrect. This means that the signal sent to the fuel pump control module does not match the expected value, potentially leading to issues with fuel delivery and engine performance. The fuel pump command signal is crucial for regulating the fuel flow to the engine, and any discrepancies can result in poor fuel efficiency, stalling, rough idling, or even engine misfires.
Common Causes of P11FF
- Faulty fuel pump control module
- Wiring or connection issues in the fuel pump circuit
- Corrosion or damage to the fuel pump relay
- ECM (Engine Control Module) software issues
- Fuel pump failure or malfunction
Symptoms of P11FF
- Engine stalling or difficulty starting
- Decreased fuel efficiency
- Rough idling or engine misfires
- Check Engine Light illuminated
- Loss of power while driving
How to Fix P11FF
- Use a diagnostic scanner to read and clear the code
- Inspect the wiring and connections in the fuel pump circuit for any damage or corrosion
- Test the fuel pump relay and replace if necessary
- Check and reprogram the ECM software
- If the issue persists, replace the fuel pump control module or fuel pump
Cost to Fix P11FF
The cost of repairing a P11FF code can vary depending on the specific cause of the issue. On average, the repair costs for this type of problem can range from $200 to $500, including parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple sources before proceeding with the repair.
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Code P11FF Information for Specific Makes
- P11FF Buick — Fuel Pump Command Signal Message Counter Incorrect
- P11FF Cadillac — Fuel Pump Command Signal Message Counter Incorrect
- P11FF Chevrolet — Fuel Pump Command Signal Message Counter Incorrect
- P11FF GMC — Fuel Pump Command Signal Message Counter Incorrect
Frequently Asked Questions about P11FF Code
No Frequently Asked Questions about P11FF Code found.
Discuss the causes and fixes for P11FF OBDII Code
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Please double-check the code. The P11FF code is not listed in the Nissan Sentra service manuals.
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