P1200 2015 GMC Sierra Code - Fuel Level Sensor 1 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
- P1200 2015 GMC Sierra indicates Fuel Level Sensor 1 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 P1200 2015 GMC Sierra Description
What are the Possible Causes of the DTC P1200 2015 GMC Sierra?
- 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 P1200 2015 GMC Sierra?
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 P1200 2015 GMC Sierra 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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Frequently Asked Questions about P1200 2015 GMC Sierra Code
1. What does the OBDII code P1200 mean on a 2015 GMC Sierra?
The P1200 code indicates that the Fuel Level Sensor 1 Signal Message Counter is incorrect, meaning the fuel level sensor is not sending accurate or expected data to the vehicle's computer.
2. What are the common symptoms of code P1200 on a 2015 GMC Sierra?
Symptoms may include an inaccurate fuel gauge reading, a check engine light, erratic fuel level behavior, or difficulty determining how much fuel is in the tank.
3. What causes the P1200 code to appear on a 2015 GMC Sierra?
Possible causes include a faulty fuel level sensor, damaged wiring or connectors, a malfunctioning fuel pump module, or a software issue in the vehicle's computer.
4. Can I still drive my 2015 GMC Sierra with a P1200 code?
While the truck may still be drivable, an inaccurate fuel level reading could lead to running out of fuel unexpectedly. It's best to address the issue promptly.
5. How do I diagnose the P1200 code on my 2015 GMC Sierra?
Diagnosis involves checking the fuel level sensor, inspecting wiring and connectors for damage, and using a scan tool to monitor fuel level data for irregularities.
6. How can I fix the P1200 code on a 2015 GMC Sierra?
Repairs may include replacing the fuel level sensor, repairing damaged wiring, or updating the vehicle’s software if a programming issue is identified.
7. How much does it cost to repair the P1200 code on a 2015 GMC Sierra?
Repair costs vary but typically range from $150 to $500, depending on whether the issue is with the fuel level sensor, wiring, or a software update.
8. Is the P1200 code a common issue on the 2015 GMC Sierra?
It’s not one of the most common codes, but it can occur due to wear and tear on the fuel level sensor or wiring over time.
9. Can a faulty fuel pump cause the P1200 code on a 2015 GMC Sierra?
Yes, a malfunctioning fuel pump module that includes the fuel level sensor can trigger this code due to incorrect signal transmission.
10. Will clearing the P1200 code solve the problem on a 2015 GMC Sierra?
Clearing the code may turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P1200 2015 GMC Sierra OBDII Code
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