P01A0

Alternative Fuel Tank A Pressure Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable engine operation
Problems starting the engine

Causes

Alternate Fuel Tank A Pressure Sensor Malfunction
Open or short circuit in wiring harness
Poor contact in the sensor connector
ECU malfunction

How to Fix

Check the integrity of the wiring harness and connectors
Check the voltage and resistance of the pressure sensor
Replace pressure sensor if necessary
Check and clear error codes after repair

Related codes