OBD-II code · Powertrain (generic, extended)

P25DC Fuel Level Sensor C Stuck

The third fuel level sensor reads a constant value across known consumption or refuelling events. Float arm or resistor wiper is mechanically stuck.

Is it safe to drive with P25DC?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyFloat arm jammed against tank wall, baffle or pump module
  • PossibleResistor wiper seized by varnish from old fuel

Repair at a glance

Difficulty
Hard
DIY friendly
Often, with basic tools
Typical labour
1.5–4 h
Emissions test
Usually unaffected
Parts involved
Fuel Level Sensor C, Fuel Tank

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.