Powertrain Definition only Lights the check engine lamp

P2A5A: Alternative Fuel Vaporizer C Outlet Temperature Sensor Circuit

Standardized SAE J2012 code · P2Axx codes

What does P2A5A mean?

The AFCM detects a generic fault on the outlet temperature sensor of alternative fuel vaporizer C. Vaporization control cannot be tuned reliably.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Common causes

  • High Temperature sensor failed
  • Medium Wiring or connector fault

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2A5A on the same make and model first.

P2A5A in the community

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