OBD-II code · Powertrain (generic, extended)
P25B2 Fuel Level Sensor A or B Stuck
The ECM detects that one of the two level sensors is stuck but cannot identify which from the available signals — for example because the saddle-tank algorithm sees implausible delta only intermittently. Both sensors should be inspected.
Is it safe to drive with P25B2?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOne stuck float — inspect both
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- Fuel Level Sensor A, Fuel Level Sensor B
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.