OBD-II code · Powertrain (generic, extended)
P2065 Fuel Level Sensor B Circuit
A general electrical fault is reported on the secondary fuel-level sensor (B) — vehicles with saddle tanks or auxiliary tanks use a second sender to cover the full tank volume.
Is it safe to drive with P2065?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySender failed — float, swing arm, or rheostat
- PossibleHarness or connector fault
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Level Sensor B, Fuel Tank
Related codes
- P0460Fuel Level Sensor A Circuit
- P25D7Fuel Level Sensor C Circuit
- P2062Reductant/Regeneration Supply Control Circuit/Open
- P2063Reductant/Regeneration Supply Control Circuit Low
- P2064Reductant/Regeneration Supply Control Circuit High
- P2066Fuel Level Sensor B Performance
- P2067Fuel Level Sensor B Circuit Low
- P2068Fuel Level Sensor B Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.