P01AD

Alternative Fuel Tank Temperature Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect fuel temperature readings
Increased fuel consumption
Problems starting the engine
Check Engine Light Illuminates

Causes

Fuel temperature sensor circuit open
Short circuit to power in wiring harness
Fuel temperature sensor malfunction
Damaged or corroded connectors
Problems with the ECU

How to Fix

Check the integrity of the wiring harness and connectors
Measure the resistance and voltage at the fuel temperature sensor
Check for short circuit to power
Replace the fuel temperature sensor if necessary
Check and, if necessary, update the ECU software

Related codes

P01AE P01AF P0180 P0181