OBD Guide

P2A5A

Alternative Fuel Vaporizer C Outlet Temperature Sensor Circuit

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–78 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Is On
  • Reduced engine power

Causes

  • Evaporator temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor connection or corroded connectors
  • Engine control unit malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Check sensor connections and connectors
  3. Check resistance and sensor signal
  4. Replacing the evaporator temperature sensor if necessary
  5. Check and reflash the engine control unit

Related codes

Error P2A5A by Vehicle Brand