P11FF 2017 Chevrolet Silverado Code - Fuel Pump Command Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump 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
- P11FF 2017 Chevrolet Silverado indicates Fuel Pump Command Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump 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 P11FF 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P11FF 2017 Chevrolet Silverado?
- Faulty Fuel Pump
- Fuel Pump harness is open or shorted
- Fuel Pump circuit poor electrical connection
How to Fix the DTC P11FF 2017 Chevrolet Silverado?
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 P11FF 2017 Chevrolet Silverado 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 P11FF 2017 Chevrolet Silverado code?
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Frequently Asked Questions about P11FF 2017 Chevrolet Silverado Code
1. What does the OBDII code P11FF mean for a 2017 Chevrolet Silverado?
The P11FF code indicates an issue with the fuel pump command signal message counter, suggesting a communication problem between the fuel pump control module and the engine control module.
2. What are the common symptoms of the P11FF code?
Symptoms may include a check engine light, difficulty starting, reduced engine performance, or stalling.
3. What causes the P11FF code to appear?
Common causes include a faulty fuel pump control module, wiring or connector issues, or software communication errors between modules.
4. Can a bad fuel pump trigger the P11FF code?
No, this code typically relates to communication or signal issues, not the mechanical performance of the fuel pump itself.
5. How can I diagnose the P11FF code on my Silverado?
Begin by inspecting the wiring and connectors to the fuel pump control module, then use a scan tool to check for additional communication-related codes or software updates.
6. Is the P11FF code serious?
While the vehicle may still run, this code can lead to fuel delivery issues, reduced performance, or even stalling, so it should be addressed promptly.
7. How do I fix the P11FF code on a 2017 Chevrolet Silverado?
Repairs may involve repairing or replacing damaged wiring, updating the vehicle’s software, or replacing the fuel pump control module if faulty.
8. Can I drive with the P11FF code active?
Driving with this code may cause performance issues or stalling, so it’s best to have it inspected and repaired as soon as possible.
9. How much does it cost to fix the P11FF code?
Repair costs can vary but typically range from $100 to $500 depending on whether it’s a wiring repair, software update, or module replacement.
10. Can a software update resolve the P11FF code?
Yes, in some cases, a software update from the dealer may fix communication issues triggering the P11FF code.
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