Engine-CodesChevrolet – P1200 2014 Chevrolet Silverado

P1200 2014 Chevrolet Silverado Code - Fuel Level Sensor 1 Signal Message Counter Incorrect

Quick Answer

The P1200 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates an issue with the Fuel Level Sensor 1 Signal Message Counter being incorrect. Common causes include Faulty fuel level sensor, Wiring or connector issues related to the fuel level sensor, Corrosion or damage to the sensor components. 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
P1200 2014 Chevrolet Silverado indicates Fuel Level Sensor 1 Signal Message Counter Incorrect.
Common causes
Common causes include Faulty fuel level sensor, Wiring or connector issues related to the fuel level sensor, Corrosion or damage to the sensor components.
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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P1200 2014 Chevrolet Silverado Description

The P1200 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates an issue with the Fuel Level Sensor 1 Signal Message Counter being incorrect. This code specifically relates to the fuel level sensor in the vehicle, which is responsible for sending information about the amount of fuel in the tank to the engine control module (ECM). The ECM uses this information to adjust fuel delivery and optimize engine performance.

OBDII Code P1200 2014 Chevrolet Silverado - Fuel Level Sensor 1 Signal Message Counter Incorrect
P1200 2014 Chevrolet Silverado Code - Fuel Level Sensor 1 Signal Message Counter Incorrect

Common Causes of P1200 2014 Chevrolet Silverado

  1. Faulty fuel level sensor.
  2. Wiring or connector issues related to the fuel level sensor.
  3. Corrosion or damage to the sensor components.
  4. ECM software or hardware malfunction.
  5. Electrical system issues affecting the communication between the sensor and ECM.

Symptoms of P1200 2014 Chevrolet Silverado

  1. Inaccurate fuel level readings on the dashboard gauge.
  2. Fluctuating fuel level readings while driving.
  3. Check Engine Light illuminated on the dashboard.
  4. Engine stalling or hesitation during acceleration.
  5. Poor fuel efficiency or erratic fuel consumption.

How to Fix P1200 2014 Chevrolet Silverado

  1. Perform a diagnostic scan to confirm the P1200 code and identify the specific cause of the issue.
  2. Inspect the fuel level sensor, wiring, and connectors for any signs of damage or corrosion.
  3. Replace the faulty fuel level sensor if necessary.
  4. Repair or replace any damaged wiring or connectors related to the sensor.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1200 2014 Chevrolet Silverado

The typical repair costs for addressing a P1200 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue and the parts/labour required for the repair. In general, the cost of replacing a fuel level sensor can range from $150 to $300, including parts and labour. Additional costs may apply if there are wiring or connector issues that need to be addressed. It's important to note that diagnosis time and labour rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle specifics.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1200 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1200 in a 2014 Chevrolet Silverado?

- Common symptoms include inaccurate fuel gauge readings, fluctuating fuel level readings, and illuminated check engine light.

2. What does the OBDII code P1200 "Fuel Level Sensor 1 Signal Message Counter Incorrect" mean for a 2014 Chevrolet Silverado?

- It indicates that the signal from the fuel level sensor 1 is not matching the expected message count, leading to potential inaccuracies in fuel level monitoring.

3. What are the possible causes of OBDII code P1200 in a 2014 Chevrolet Silverado?

- Causes can include a faulty fuel level sensor, wiring issues in the fuel level sensor circuit, a malfunctioning instrument cluster, or a problem with the powertrain control module (PCM).

4. How can I diagnose the OBDII code P1200 in my 2014 Chevrolet Silverado?

- Diagnosis typically involves checking the wiring and connections related to the fuel level sensor, testing the sensor's resistance, and using a scan tool to monitor sensor data.

5. Can I continue driving my 2014 Chevrolet Silverado with OBDII code P1200?

- It is not recommended to drive the vehicle with this code as it can lead to inaccurate fuel level readings, potentially causing you to run out of fuel unexpectedly.

6. How can I repair OBDII code P1200 in a 2014 Chevrolet Silverado?

- Repair options may include replacing the faulty fuel level sensor, repairing any damaged wiring, resetting the PCM, or recalibrating the fuel level sensor system.

7. Is it possible to reset the OBDII code P1200 in a 2014 Chevrolet Silverado without fixing the underlying issue?

- While clearing the code with a scan tool may temporarily turn off the check engine light, the issue causing the code will likely persist and trigger the code again.

8. How much does it typically cost to repair OBDII code P1200 in a 2014 Chevrolet Silverado?

- The cost can vary based on the specific cause of the issue, but it may range from $100 to $300 for parts and labor, depending on the extent of the repair needed.

9. Are there any DIY tips for addressing OBDII code P1200 in a 2014 Chevrolet Silverado?

- DIY enthusiasts can start by inspecting the wiring and connections, checking the fuel level sensor for proper operation, and ensuring the sensor is securely mounted.

10. Can a mechanic easily fix OBDII code P1200 in a 2014 Chevrolet Silverado?

- A qualified mechanic should be able to diagnose and repair OBDII code P1200 efficiently by using specialized tools and following the manufacturer's recommended repair procedures.

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