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AutoCodes - Generic - P1431

P1431 Code - Fuel Level Sensor 2 Circuit Performance

- Code Popularity: 10,286 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1431?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Fuel Level Sensor
  • Fuel Level Sensor harness is open or shorted
  • Fuel Level Sensor circuit poor electrical connection
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How to Fix the DTC P1431?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1431 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1431 Description

With the engine running, the Powertrain Control Module (PCM) detects one of these 3 conditions
1. With the secondary fuel tank not empty, more than 150 miles have been accumulated and then the PCM did not detect that the fuel level in the right fuel tank moved by at least 0 80 gallons
2. With the secondary fuel tank not empty and the primary fuel tank not full, engine runtime over 60 minutes, that the primary tank did not achieve the top of its range Observe after operating the engine for greater than 60 minutes that the fuel in the right fuel tank will transfer to the left fuel tank
3. With the secondary fuel tank empty and the primary fuel tank full, that the fuel level in both fuel tanks did not change after traveling more than 200 miles With the secondary fuel tank empty, observe if the primary fuel level decreased after 200 miles

OBDII Code P1431 - Fuel Level Sensor 2 Circuit Performance - AutoCodes.com
P1431 Code - Fuel Level Sensor 2 Circuit Performance

Need More Information on the Code?

Need more information on how to fix the P1431 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P1431 Audi Brake System Vacuum Pump Activation Open Circuit/Short To Ground
  • P1431 Buick Fuel Level Sensor 2 Circuit Performance
  • P1431 Cadillac Fuel Level Sensor 2 Circuit Performance
  • P1431 Chevrolet Fuel Level Sensor 2 Circuit Performance
  • P1431 Ford Misfire Monitor Disabled Unable to Learn Trigger Wheel Profile
  • P1431 GMC Fuel Level Sensor 2 Circuit Performance
  • P1431 Volkswagen Brake System Vacuum Pump Activation Open Circuit/Short To Ground

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Code P1431 comments

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