OBD-II code · Powertrain (generic, extended)

P2A5D Alternative Fuel Vaporizer C Outlet Temperature Sensor Circuit High

Voltage on the outlet temperature sensor signal line of alternative fuel vaporizer C is above the expected window. Wire shorted to B+ or sensor open.

Is it safe to drive with P2A5D?

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 B+
  • PossibleOpen temperature sensor
  • 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 C Outlet Temp Sensor, Wiring Harness, Afcm

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.