P11FF 2015 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 2015 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P11FF 2015 Chevrolet Silverado?
- Faulty Fuel Pump
- Fuel Pump harness is open or shorted
- Fuel Pump circuit poor electrical connection
How to Fix the DTC P11FF 2015 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 2015 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 2015 Chevrolet Silverado code?
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Frequently Asked Questions about P11FF 2015 Chevrolet Silverado Code
1. What does the OBDII code P11FF mean on a 2015 Chevrolet Silverado?
P11FF indicates a "Fuel Pump Command Signal Message Counter Incorrect," meaning there is a communication issue between the fuel pump control module and the engine control module (ECM).
2. What are the common symptoms of the P11FF code?
Symptoms may include rough idling, engine hesitation, reduced fuel efficiency, or an illuminated check engine light.
3. What causes the P11FF code to appear?
The code is often caused by faulty wiring, a malfunctioning fuel pump control module, or a software issue in the ECM.
4. Can a bad fuel pump cause the P11FF code?
While a failing fuel pump is not a direct cause, issues with the fuel pump control module or wiring to the pump can trigger this code.
5. How is the P11FF code diagnosed?
A mechanic will inspect wiring and connections, test the fuel pump control module, and check for communication errors in the vehicle’s network.
6. Can I drive my 2015 Chevrolet Silverado with a P11FF code?
Driving with this code is not recommended, as it may cause further damage or result in poor performance due to fuel delivery issues.
7. How do you fix the P11FF code?
Repairs may include replacing or reprogramming the fuel pump control module, repairing damaged wiring, or updating the ECM software.
8. Is the P11FF code covered under warranty for a 2015 Chevrolet Silverado?
It depends on your vehicle’s warranty status and coverage. Check with your dealer for warranty details.
9. Can a weak battery cause the P11FF code?
Yes, a weak or failing battery can cause communication errors between modules, potentially triggering the P11FF code.
10. How much does it cost to fix the P11FF code?
Repair costs vary but typically range from $150 to $500, depending on whether reprogramming, wiring repairs, or module replacement is needed.
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