OBD-II code · Powertrain (generic, extended)
P25DB Fuel Level Sensor C Circuit Intermittent
The third fuel level sensor signal jumps or drops out for short moments. Usually a loose connector or a chafed wire that opens during driving vibration.
Is it safe to drive with P25DB?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyTank module connector not fully seated
- PossibleHarness chafed near tank straps
- Less likelyConnector with intermittent contact under vibration
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Level Sensor C, Wiring Harness
Related codes
- P0464Fuel Level Sensor A Circuit Intermittent
- P2069Fuel Level Sensor B Circuit Intermittent
- P25D8Fuel Level Sensor C Performance
- P25D9Fuel Level Sensor C Circuit Low
- P25DAFuel Level Sensor C Circuit High
- P25DCFuel Level Sensor C Stuck
- P25DDA Camshaft Position - Stuck In Locked Position Bank 1
- P25DEA Camshaft Position - Unable to Achieve Locked Position Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.