OBD-II code · Powertrain (generic, extended)
P2A5F Alternative Fuel Tank B Level Sensor Circuit
The AFCM detects a generic fault on the level sensor of alternative fuel tank B. Tank fill level cannot be displayed or used for range calculation.
Is it safe to drive with P2A5F?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyLevel sensor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Alt Fuel Tank B Level Sensor, Wiring Harness, Afcm
Related codes
- P01AFAlternative Fuel Tank A Level Sensor Circuit
- P2A64Alternative Fuel Tank C Level Sensor Circuit
- P2A5CAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit Low
- P2A5DAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit High
- P2A5EAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit Intermittent/Erratic
- P2A60Alternative Fuel Tank B Level Sensor Range/Performance
- P2A61Alternative Fuel Tank B Level Sensor Circuit Low
- P2A62Alternative Fuel Tank B Level Sensor Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.