P01B0

Alternative Fuel Tank A Level Sensor Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect fuel level readings in the alternative tank
Flashing fuel level indicator
Problems with switching between fuel types
Check Engine light comes on

Causes

Fuel level sensor malfunction
Open or short circuit in wiring harness
Sensor contact corrosion
Alternate tank fuel system problems
ECU software failure

How to Fix

Check the integrity of the sensor wiring harness
Clean the sensor contacts from corrosion
Test the fuel level sensor
Replace sensor if necessary
Check the fuel system of the alternative tank
Update ECU software

Related codes

P01B1 P01B2 P0460