OBD Guide

P01AE

Alternative Fuel Tank Temperature Sensor Circuit Intermittent/Erratic

P01AE is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank Temperature Sensor Circuit Intermittent/Erratic. Common causes: open or short circuit in wiring harness, poor contact in the sensor connector. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Temperature sensor malfunction
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the resistance of the temperature sensor
  3. Replace temperature sensor if necessary
  4. Clean or replace connectors if there is corrosion.

Related codes

Error P01AE by Vehicle Brand

FAQ

What does the P01AE code mean?

P01AE is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank Temperature Sensor Circuit Intermittent/Erratic

What causes a P01AE error code?

The most common causes of P01AE include: Open or short circuit in wiring harness; Poor contact in the sensor connector; Temperature sensor malfunction; Problems with the engine control unit (ECU).

How do I fix a P01AE diagnostic trouble code?

To fix P01AE: Check the integrity of the wiring harness and connectors. Check the resistance of the temperature sensor. Replace temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01AE?

Limited driving only, diagnose soon

How much does it cost to fix P01AE?

The estimated repair cost for P01AE is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat