OBD Guide

P2A58

Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit High

P2A58 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit High. Common causes: open or short circuit in the sensor circuit, temperature sensor malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Problems starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • Temperature sensor malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the sensor wires and connectors
  2. Check the resistance of the temperature sensor
  3. Check the reference voltage on the sensor circuit
  4. If necessary, replace the temperature sensor
  5. Check and clear error codes after repair

Related codes

Error P2A58 by Vehicle Brand

FAQ

What does the P2A58 code mean?

P2A58 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit High

What causes a P2A58 error code?

The most common causes of P2A58 include: Open or short circuit in the sensor circuit; Temperature sensor malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2A58 diagnostic trouble code?

To fix P2A58: Check the integrity of the sensor wires and connectors. Check the resistance of the temperature sensor. Check the reference voltage on the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A58?

Yes, but get it checked soon

How much does it cost to fix P2A58?

The estimated repair cost for P2A58 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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