OBD-II code · Powertrain (generic)
P01AF Alternative Fuel Tank A Level Sensor Circuit
Generic electrical fault on alt fuel tank A level sensor.
Is it safe to drive with P01AF?
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
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, Sensor Wiring
Related codes
- P2A5FAlternative Fuel Tank B Level Sensor Circuit
- P2A64Alternative Fuel Tank C Level Sensor Circuit
- P01ACAlternative Fuel Tank Temperature Sensor Circuit Low
- P01ADAlternative Fuel Tank Temperature Sensor Circuit High
- P01AEAlternative Fuel Tank Temperature Sensor Circuit Intermittent/Erratic
- P01B0Alternative Fuel Tank A Level Sensor Range/Performance
- P01B1Alternative Fuel Tank A Level Sensor Circuit Low
- P01B2Alternative Fuel Tank A Level Sensor Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.