Code result
P25DA
Fuel Level Sensor C Circuit High
Moderate severity
What it means
The third fuel level sensor signal is above the upper diagnostic threshold. Common causes are an open sender or a short to the 5 V reference.
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
highOne of the most commonly reported causes for this code — check this first.
Signal wire shorted to the 5 V reference
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P25DA freeNo credit card required