Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer thinks the fuel gauge is stuck and not showing the right amount of gas in the tank.
The fuel level sensor is responsible for measuring the amount of fuel in the tank. If it gets stuck, it can send incorrect readings to the car's computer.
The P25B2 code indicates that the fuel level sensor, either sensor A or B, is not providing a variable signal to the engine control module (ECM) as expected. This can be due to mechanical or electrical issues causing the sensor to be stuck at a certain reading.
• Inaccurate fuel gauge reading
• Check engine light on
• Potential stalling if fuel level is misjudged
• Faulty fuel level sensor
• Wiring issues or poor connections
• Mechanical obstruction in the fuel tank
ECM: Engine Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to verify the code
• Inspect the wiring and connectors to the fuel level sensor
• Check for mechanical obstructions in the fuel tank
• Replace the faulty fuel level sensor
• Repair or replace damaged wiring
• Clear any obstructions in the fuel tank
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Toyota Camry
• Ford F-150
• Chevrolet Silverado
• Regular maintenance checks
• Ensure fuel tank is clean
• Inspect wiring periodically
Sensor Issue
• Keep track of fuel usage manually until repaired
• Avoid running the vehicle on low fuel levels
Check with the vehicle manufacturer for warranty coverage on sensors.
This code has been reported in vehicles with high mileage and in those that frequently drive on rough terrain.
Moderate – It may not cause immediate issues, but should be addressed to avoid running out of fuel unexpectedly.
Driving with a faulty fuel gauge can lead to running out of fuel unexpectedly, which can be dangerous.
• Vehicle parked on a level surface
• Ignition in the ON position
The fuel level sensor is located inside the fuel tank, often attached to the fuel pump module.
Q: Can I drive with a P25B2 code?
A: Yes, but it's not recommended as you may run out of fuel unexpectedly.
Q: How do I reset the check engine light after repairs?
A: Use an OBD-II scanner to clear the code after repairs are completed.
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