OBD-II code · Powertrain (generic)
P01B0 Alternative Fuel Tank A Level Sensor Range/Performance
Alt fuel tank A level sensor reading implausible.
Is it safe to drive with P01B0?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor reading drifted
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
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 Level Sensor
Related codes
- P2A60Alternative Fuel Tank B Level Sensor Range/Performance
- P2A65Alternative Fuel Tank C Level Sensor Range/Performance
- P01ADAlternative Fuel Tank Temperature Sensor Circuit High
- P01AEAlternative Fuel Tank Temperature Sensor Circuit Intermittent/Erratic
- P01AFAlternative Fuel Tank A Level Sensor Circuit
- P01B1Alternative Fuel Tank A Level Sensor Circuit Low
- P01B2Alternative Fuel Tank A Level Sensor Circuit High
- P01B3Alternative Fuel Tank A Level Sensor Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.