P2A5F

Alternative Fuel Tank B Level Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect fuel level readings in the additional tank
Low fuel indicator is constantly on
Lack of fuel level readings from the additional tank
Floating fuel level readings
Check Engine Light Illuminates

Causes

Fuel level sensor B malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Corroded contacts or damaged wiring
Fuel system ECU malfunction

How to Fix

Check the integrity of the sensor wiring and connectors
Test the resistance of the fuel level sensor
Check the voltage and signal in the sensor circuit
Replace the faulty fuel level sensor if necessary
Clean or replace corroded connectors

Related codes

P2A5E P2A60 P2067