P1200 2016 Chevrolet Silverado Code - Fuel Level Sensor 1 Signal Message Counter Incorrect
Quick Answer
The P1200 code for a 2016 Chevrolet Silverado indicates a problem with the Fuel Level Sensor 1 Signal Message Counter being incorrect. Common causes include Faulty fuel level sensor, Wiring issues between sensor and ECM, ECM malfunction. 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 2016 Chevrolet Silverado indicates Fuel Level Sensor 1 Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty fuel level sensor, Wiring issues between sensor and ECM, ECM malfunction.
- 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 P1200 2016 Chevrolet Silverado Description
The P1200 code for a 2016 Chevrolet Silverado indicates a problem with the Fuel Level Sensor 1 Signal Message Counter being incorrect. This sensor is responsible for measuring the fuel level in the vehicle's tank and sending this information to the engine control module (ECM). When the signal message counter is incorrect, it means that the ECM is not receiving accurate data from the fuel level sensor. This can lead to issues with fuel efficiency, engine performance, and potentially even safety concerns.
Common Causes of P1200 2016 Chevrolet Silverado
- Faulty fuel level sensor
- Wiring issues between sensor and ECM
- ECM malfunction
- Corrosion or damage to sensor connections
- Low fuel levels causing sensor inaccuracies
Symptoms of P1200 2016 Chevrolet Silverado
- Inaccurate fuel gauge readings
- Poor fuel economy
- Engine misfires or hesitation
- Check Engine Light illuminated
- Difficulty starting the vehicle
How to Fix P1200 2016 Chevrolet Silverado
- Begin by diagnosing the specific cause of the incorrect signal message counter, using a scan tool to read the code and inspecting the fuel level sensor and related wiring.
- Replace the faulty fuel level sensor if it is determined to be the cause of the issue. Ensure proper installation and calibration of the new sensor.
- Check and repair any damaged or corroded wiring between the sensor and ECM.
- If the ECM is found to be malfunctioning, it may need to be reprogrammed or replaced.
- Clear the diagnostic trouble codes from the ECM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1200 2016 Chevrolet Silverado
The typical repair costs for addressing a P1200 code on a 2016 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It is advisable to check with local repair shops for a more accurate estimate based on your specific circumstances.
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Frequently Asked Questions about P1200 2016 Chevrolet Silverado Code
What does the OBDII code P1200 mean on a 2016 Chevrolet Silverado?
The code P1200 indicates that the Fuel Level Sensor 1 Signal Message Counter is incorrect, meaning the fuel level sensor's data is not being interpreted correctly by the vehicle's computer.
What are the common symptoms of code P1200 in a 2016 Chevrolet Silverado?
Symptoms may include erratic or incorrect fuel level readings on the gauge, a check engine light, or issues with fuel management systems.
What causes the P1200 code to appear in a 2016 Chevrolet Silverado?
The code can be caused by a faulty fuel level sensor, damaged wiring or connectors, a malfunctioning fuel pump module, or software issues in the vehicle's ECM.
Can I drive my 2016 Chevrolet Silverado with the P1200 code active?
It’s possible to drive the vehicle, but inaccurate fuel level readings could lead to running out of fuel unexpectedly, so it’s recommended to address the issue promptly.
How do you diagnose the P1200 code in a Chevrolet Silverado?
Diagnosis involves checking the fuel level sensor and its wiring for damage or corrosion, testing the sensor’s signal, and using a scan tool to monitor sensor data and clear the code.
What is the most common fix for the P1200 code on a 2016 Chevrolet Silverado?
Replacing the faulty fuel level sensor or repairing damaged wiring is the most common fix for this code.
How much does it cost to repair the P1200 code on a 2016 Silverado?
The cost depends on the cause but typically ranges from $150 to $400, including parts and labor.
Can a software update resolve the P1200 code on a 2016 Chevrolet Silverado?
In some cases, a software update for the ECM may resolve the issue if the problem is related to incorrect calibration or a known bug.
Is the P1200 code related to the fuel pump on a Chevrolet Silverado?
Yes, the P1200 code can be related to the fuel pump module, as it often integrates the fuel level sensor, which could be malfunctioning.
What tools are needed to troubleshoot the P1200 code in a 2016 Chevrolet Silverado?
You’ll need an OBDII scan tool, a multimeter for testing wiring and connections, and potentially a fuel sender diagnostic tool.
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