P01AE

Alternative Fuel Tank Temperature Sensor Circuit Intermittent/Erratic

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

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

Related codes

P01AF P01AD P0180