P1100 2017 Chevrolet Silverado Code - Fuel Level Sensor 2 Signal Message Counter Incorrect
Quick Answer
The P1100 diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates that there is a problem with the Fuel Level Sensor 2 Signal Message Counter being incorrect. Common causes include Faulty fuel level sensor, Corroded or damaged wiring, ECM software issue. 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 2017 Chevrolet Silverado indicates Fuel Level Sensor 2 Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty fuel level sensor, Corroded or damaged wiring, ECM software issue.
- 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.
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Code P1100 2017 Chevrolet Silverado Description
The P1100 diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates that there is a problem with the Fuel Level Sensor 2 Signal Message Counter being incorrect. This means that the signal being sent by the fuel level sensor to the vehicle's onboard computer is not matching the expected values. The fuel level sensor is responsible for providing accurate information about the fuel level in the tank, which is crucial for the proper functioning of the fuel system.
Common Causes of P1100 2017 Chevrolet Silverado
- Faulty fuel level sensor
- Corroded or damaged wiring
- ECM software issue
- Poor electrical connection
- Fuel tank contamination
Symptoms of P1100 2017 Chevrolet Silverado
- Inaccurate fuel gauge readings
- Check Engine Light illuminated
- Poor fuel economy
- Engine stalling or rough idling
- Difficulty starting the vehicle
How to Fix P1100 2017 Chevrolet Silverado
- Diagnose the specific cause of the P1100 code using a professional diagnostic scanner.
- Inspect the fuel level sensor and wiring for any damage or corrosion.
- Replace the fuel level sensor if it is found to be faulty.
- Clear the DTC and reset the ECM to see if the code returns.
- Test drive the vehicle to verify that the issue has been resolved and the fuel level readings are accurate.
Cost to Fix P1100 2017 Chevrolet Silverado
The typical repair costs for resolving a P1100 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty fuel level sensor can range from $100 to $300, including parts and labor. Additional costs may be incurred for diagnostic time and any necessary wiring repairs. It is important to note that labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate.
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Frequently Asked Questions about P1100 2017 Chevrolet Silverado Code
1. What does code P1100 mean on a 2017 Chevrolet Silverado?
Code P1100 indicates that the Fuel Level Sensor 2 Signal Message Counter is incorrect, meaning the ECM is detecting an issue with the communication or data from the secondary fuel level sensor.
2. What are the symptoms of code P1100 in a 2017 Silverado?
Common symptoms include erratic or inaccurate fuel gauge readings, poor fuel economy tracking, and potentially an illuminated check engine light.
3. What causes code P1100 to appear?
Typical causes include a faulty fuel level sensor, wiring or connector issues in the sensor circuit, or a problem with the ECM processing the signal.
4. Can I drive my 2017 Silverado with code P1100 active?
While the truck may still run, driving with this code can lead to inaccurate fuel level readings, increasing the risk of running out of fuel unexpectedly.
5. How do you diagnose code P1100 on a 2017 Chevrolet Silverado?
Diagnosis typically involves scanning for additional codes, inspecting the fuel level sensor wiring and connectors, and testing the sensor's functionality to ensure proper signal transmission.
6. Is the fuel level sensor the only part that can cause code P1100?
No, issues with the wiring harness, connectors, or even a malfunctioning ECM can also trigger this code.
7. How much does it cost to fix code P1100 on a Silverado?
Repair costs can vary but typically range from $150 to $500, depending on whether the fuel level sensor, wiring, or ECM needs replacement or repair.
8. Can a software update fix code P1100 in my 2017 Silverado?
In some cases, a software update from the dealership may resolve communication issues, but this depends on the exact cause of the code.
9. Is code P1100 specific to the 2017 Chevrolet Silverado?
No, P1100 can appear in other vehicles with similar fuel level sensor systems, but the specifics of the code definition and repair process may vary.
10. How can I prevent code P1100 from reoccurring?
Preventive measures include ensuring the fuel system components are regularly inspected, avoiding damage to wiring or connectors during repairs, and addressing any related codes promptly.
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