P1100 2014 Chevrolet Silverado Code - Fuel Level Sensor 2 Signal Message Counter Incorrect
Quick Answer
The signal circuit is connected to the Fuel Pump Driver Control Module, and the Fuel Pump Driver Control Module communicates with the Engine Control Module (ECM) via serial data. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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
- P1100 2014 Chevrolet Silverado indicates Fuel Level Sensor 2 Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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 P1100 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1100 2014 Chevrolet Silverado?
- Faulty Fuel Pump Driver Control Module
- Fuel Pump Driver Control Module harness is open or shorted
- Fuel Pump Driver Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1100 2014 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 P1100 2014 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 P1100 2014 Chevrolet Silverado code?
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Frequently Asked Questions about P1100 2014 Chevrolet Silverado Code
What does the OBDII code P1100 mean on a 2014 Chevrolet Silverado?
P1100 indicates that the Fuel Level Sensor 2 Signal Message Counter is incorrect, meaning the fuel level data from the secondary sensor is not being processed as expected by the vehicle's computer.
What are the symptoms of code P1100 in a 2014 Chevrolet Silverado?
Common symptoms include inaccurate fuel gauge readings, a check engine light, and potential issues with fuel system performance or monitoring.
What causes OBDII code P1100 to appear on a 2014 Chevrolet Silverado?
This code is often caused by a faulty fuel level sensor, damaged wiring or connectors, a malfunctioning fuel pump module, or an issue with the vehicle’s PCM (Powertrain Control Module).
Can I drive my 2014 Chevrolet Silverado with code P1100?
While the truck may still be drivable, it is not recommended as inaccurate fuel readings could lead to running out of gas unexpectedly or other fuel system issues.
How do I diagnose the P1100 code on my 2014 Chevrolet Silverado?
Start by inspecting the wiring and connections to the fuel level sensor. Use a scan tool to monitor the fuel level sensor data and verify if the issue is with the sensor, wiring, or PCM.
How do I fix code P1100 on a 2014 Chevrolet Silverado?
Repairs may include replacing the faulty fuel level sensor, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
Is the P1100 code common in the 2014 Chevrolet Silverado?
While not extremely common, it can occur, particularly in vehicles with higher mileage or those that have experienced fuel pump or electrical system issues.
How much does it cost to fix the P1100 code in a 2014 Chevrolet Silverado?
Repair costs can vary, but replacing a fuel level sensor typically ranges from $200 to $400, including parts and labor. More complex issues, like PCM replacement, will be more expensive.
Can a faulty fuel pump cause the P1100 code on a 2014 Chevrolet Silverado?
Yes, a malfunctioning fuel pump module, which often includes the fuel level sensor, can cause this code to appear.
What tools are needed to troubleshoot the P1100 code on a 2014 Chevrolet Silverado?
A scan tool capable of reading live data, a multimeter for testing electrical connections, and the vehicle’s service manual are essential for accurate diagnosis and repair.
Discuss the causes and fixes for P1100 2014 Chevrolet Silverado OBDII Code
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