OBD-II code · Powertrain (generic, extended)
P2A52 Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit Low
Voltage on the outlet temperature sensor signal line of alternative fuel vaporizer A is below the expected window. Wire shorted to ground or sensor short.
Is it safe to drive with P2A52?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to ground
- PossibleInternal sensor short
- Less likelyConnector pins corroded - high contact resistance
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 A Outlet Temp Sensor, Wiring Harness, Afcm
Related codes
- P2A57Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit Low
- P2A5CAlternative Fuel Vaporizer C Outlet Temperature Sensor Circuit Low
- P2A4FAlternative Fuel Temperature Sensor Circuit Intermittent/Erratic
- P2A50Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit
- P2A51Alternative Fuel Vaporizer A Outlet Temperature Sensor Range/Performance
- P2A53Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit High
- P2A54Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit Intermittent/Erratic
- P2A55Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.