OBD-II code · Powertrain (generic, extended)
P25D7 Fuel Level Sensor C Circuit
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 with P25D7?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyOpen sender resistor or broken float
- PossibleCorroded tank pump module connector
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, Wiring Harness
Related codes
- P0460Fuel Level Sensor A Circuit
- P2065Fuel Level Sensor B Circuit
- P25D4Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2
- P25D5Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 2
- P25D6Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Stop Performance
- P25D8Fuel Level Sensor C Performance
- P25D9Fuel Level Sensor C Circuit Low
- P25DAFuel Level Sensor C Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.