P11FF 2016 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 2016 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 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P11FF 2016 Chevrolet Silverado?
- Faulty Fuel Pump
- Fuel Pump harness is open or shorted
- Fuel Pump circuit poor electrical connection
How to Fix the DTC P11FF 2016 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 2016 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 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P11FF 2016 Chevrolet Silverado Code
1. What does the OBDII code P11FF mean on a 2016 Chevrolet Silverado?
P11FF indicates that the fuel pump command signal message counter is incorrect, meaning the engine control module (ECM) is detecting irregularities in the communication between the fuel pump control module and the ECM.
2. What are the common symptoms of a P11FF code in a 2016 Chevrolet Silverado?
Symptoms may include difficulty starting the engine, reduced engine performance, stalling, or an illuminated check engine light.
3. What causes the P11FF code on a 2016 Chevrolet Silverado?
Common causes include a faulty fuel pump control module, wiring or connector issues, or software glitches in the ECM or fuel pump control module.
4. Can a bad fuel pump cause the P11FF code?
A bad fuel pump typically doesn't cause this specific code, but communication errors related to the fuel pump control module may lead to the P11FF code.
5. How do you diagnose the P11FF code on a 2016 Chevrolet Silverado?
Diagnosis involves using a scan tool to check for additional codes, inspecting wiring and connectors for damage, and testing the fuel pump control module and ECM for proper communication.
6. Can you drive with a P11FF code on a 2016 Chevrolet Silverado?
Driving with this code is not recommended as it could lead to fuel delivery issues, poor performance, or even engine stalling.
7. How is the P11FF code fixed on a 2016 Chevrolet Silverado?
Repairs may include replacing a faulty fuel pump control module, repairing or replacing damaged wiring, or updating the ECM or fuel pump control module software.
8. Is the P11FF code covered under warranty for a 2016 Chevrolet Silverado?
It may be covered under the powertrain or emissions warranty, depending on the vehicle's mileage and warranty terms. Check with your dealership.
9. How much does it cost to repair the P11FF code on a 2016 Chevrolet Silverado?
Repair costs can range from $100 to $500 or more, depending on whether the issue is a simple wiring repair or requires module replacement.
10. Can a software update fix the P11FF code on a 2016 Chevrolet Silverado?
Yes, if the issue is caused by a software glitch, a reprogramming or update of the ECM or fuel pump control module may resolve the code.
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