OBD Guide

P2A4D

Alternative Fuel Temperature Sensor Circuit Low

P2A4D is an OBD-II diagnostic trouble code meaning: Alternative Fuel Temperature Sensor Circuit Low. Common causes: alternate fuel temperature sensor malfunction, open or short circuit in the sensor circuit. 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
  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Problems starting the engine

Causes

  • Alternate fuel temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Contact corrosion
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check connections and contacts in the sensor connector
  3. Test alternative fuel temperature sensor
  4. Replace sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P2A4D by Vehicle Brand

FAQ

What does the P2A4D code mean?

P2A4D is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Temperature Sensor Circuit Low

What causes a P2A4D error code?

The most common causes of P2A4D include: Alternate fuel temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Contact corrosion.

How do I fix a P2A4D diagnostic trouble code?

To fix P2A4D: Check the integrity of the wiring to the sensor. Check connections and contacts in the sensor connector. Test alternative fuel temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2A4D?

Yes, but get it checked soon

How much does it cost to fix P2A4D?

The estimated repair cost for P2A4D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat