P1200 2014 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 2014 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC P1200 2014 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 2014 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 2014 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 2014 GMC Sierra Code
1. What does the OBDII code P1200 mean on a 2014 GMC Sierra?
The P1200 code indicates that the Fuel Level Sensor 1 Signal Message Counter is incorrect, meaning the fuel level data being sent to the vehicle's computer is invalid or inconsistent.
2. What are common symptoms of the P1200 code in a 2014 GMC Sierra?
Symptoms may include inaccurate or fluctuating fuel level readings, a check engine light, or issues with the fuel gauge not working correctly.
3. What causes the P1200 code in a 2014 GMC Sierra?
Common causes include a faulty fuel level sensor, wiring issues, a poor electrical connection, or a malfunction in the fuel pump module or instrument cluster.
4. Can a bad fuel pump cause the P1200 code to appear?
Yes, a faulty fuel pump module that includes the fuel level sending unit can cause inaccurate signal messages, triggering the P1200 code.
5. How is the P1200 code diagnosed on a 2014 GMC Sierra?
A mechanic will use a scan tool to verify the code, inspect the fuel level sensor wiring and connections, and test the sensor's output signal for inconsistencies.
6. Can I drive with a P1200 code on my 2014 GMC Sierra?
While it may still be drivable, a P1200 code can result in inaccurate fuel level readings, which could lead to running out of fuel unexpectedly.
7. How do you fix the P1200 code on a 2014 GMC Sierra?
Repairs may involve replacing the fuel level sensor, repairing damaged wiring, or reprogramming the vehicle's computer if necessary.
8. Is replacing the fuel level sensor the only solution for the P1200 code?
No, the issue could also stem from wiring problems, electrical connections, or a malfunctioning fuel pump module, so proper diagnosis is essential.
9. How much does it cost to fix the P1200 code on a 2014 GMC Sierra?
The cost varies depending on the root cause, but replacing the fuel level sensor can range from $200 to $600, including parts and labor.
10. Will clearing the P1200 code with a scan tool fix the issue permanently?
Clearing the code may turn off the check engine light temporarily, but the underlying issue must be addressed to prevent the code from returning.
Discuss the causes and fixes for P1200 2014 GMC Sierra OBDII Code
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