P1100 Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC P1100 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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.
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Information for Specific Chevrolet Models
- P1100 2014 Chevrolet Silverado — Fuel Level Sensor 2 Signal Message Counter Incorrect
- P1100 2015 Chevrolet Silverado — Fuel Level Sensor 2 Signal Message Counter Incorrect
- P1100 2016 Chevrolet Silverado — Fuel Level Sensor 2 Signal Message Counter Incorrect
- P1100 2017 Chevrolet Silverado — Fuel Level Sensor 2 Signal Message Counter Incorrect
- P1100 2018 Chevrolet Silverado — Fuel Level Sensor 2 Signal Message Counter Incorrect
Frequently Asked Questions about P1100 Chevrolet Code
1. What are the common symptoms of OBDII code P1100 in a Chevrolet related to the Fuel Level Sensor 2 Signal Message Counter Incorrect?
The common symptoms include inaccurate fuel level readings on the dashboard, fuel gauge fluctuations, and illuminated Check Engine Light.
2. What usually causes the OBDII code P1100 in a Chevrolet indicating Fuel Level Sensor 2 Signal Message Counter Incorrect?
The code P1100 is typically caused by a malfunctioning fuel level sensor, wiring issues, or a faulty sensor control module.
3. How can I diagnose the OBDII code P1100 in my Chevrolet related to the Fuel Level Sensor 2 Signal Message Counter Incorrect?
Diagnosis involves checking the fuel level sensor's electrical connections, inspecting the sensor for physical damage, and using a scan tool to monitor sensor readings.
4. Can a faulty fuel pump trigger the OBDII code P1100 in a Chevrolet?
While it's less common, a failing fuel pump can sometimes cause erratic fuel level readings, which may trigger the P1100 code related to the Fuel Level Sensor 2 Signal Message Counter Incorrect.
5. Are there any DIY repair tips for resolving the OBDII code P1100 in a Chevrolet associated with the Fuel Level Sensor 2 Signal Message Counter Incorrect?
DIY repair tips include checking and cleaning the fuel level sensor connections, inspecting the sensor for damage, and resetting the codes with a scan tool after any repairs.
6. Is it safe to continue driving with the OBDII code P1100 related to the Fuel Level Sensor 2 Signal Message Counter Incorrect illuminated?
While the vehicle may still be operable, it's best to address the issue promptly to prevent inaccurate fuel level readings and potential fuel gauge problems.
7. Can a loose gas cap trigger the OBDII code P1100 in a Chevrolet?
A loose or faulty gas cap is unlikely to directly cause the P1100 code related to the Fuel Level Sensor 2 Signal Message Counter Incorrect. However, it's always a good idea to ensure the gas cap is properly tightened.
8. How much does it typically cost to repair the OBDII code P1100 in a Chevrolet due to the Fuel Level Sensor 2 Signal Message Counter Incorrect?
The cost of repairs can vary depending on the exact cause of the issue, but it may range from a relatively inexpensive sensor replacement to a more involved wiring repair or module replacement.
9. Can extreme temperature changes affect the Fuel Level Sensor 2 Signal Message Counter and trigger the OBDII code P1100 in a Chevrolet?
Yes, extreme temperature changes can sometimes impact the performance of the fuel level sensor and contribute to triggering the P1100 code related to the Fuel Level Sensor 2 Signal Message Counter Incorrect.
10. How long does it typically take to repair the OBDII code P1100 in a Chevrolet related to the Fuel Level Sensor 2 Signal Message Counter Incorrect?
The repair duration can vary based on the specific diagnosis and required repairs. Simple fixes like sensor replacements may take an hour or two, while more complex issues could require more time for troubleshooting and repair.
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