OBD-II code · Powertrain (generic, extended)
P2A55 Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit
The AFCM detects a generic fault on the outlet temperature sensor of alternative fuel vaporizer B. Vaporization control cannot be tuned reliably.
Is it safe to drive with P2A55?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyTemperature sensor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.5 h
- Emissions test
- Likely to fail
- Parts involved
- Alt Fuel Vaporizer B Outlet Temp Sensor, Wiring Harness, Afcm
Related codes
- P2A50Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit
- P2A5AAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit
- P2A52Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit Low
- P2A53Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit High
- P2A54Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit Intermittent/Erratic
- P2A56Alternative Fuel Vaporizer B Outlet Temperature Sensor Range/Performance
- P2A57Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit Low
- P2A58Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.