Code result
P25D7
Fuel Level Sensor C Circuit
Moderate severity
What it means
A third fuel level sensor (C) used on multi-tank trucks, dual-saddle SUVs, or auxiliary fuel systems returns no usable signal. Without it, calculated fuel level and EVAP monitor enabling will be off.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open sender resistor or broken float
highOne of the most commonly reported causes for this code — check this first.
Corroded tank pump module connector
mediumA plausible cause — test and verify before replacing parts.
Related help
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