P01B2

Alternative Fuel Tank A Level Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect fuel level readings on the dashboard
Check Engine light comes on
Problems starting the engine
Unstable engine operation

Causes

Fuel level sensor malfunction
Open or short circuit in wiring harness
Poor contact in sensor connectors
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of the wiring harness and sensor connectors
Measure the resistance of the fuel level sensor
Check the voltage in the sensor circuit
Replace the fuel level sensor if necessary
Check and replace ECU if necessary

Related codes

P01B1 P01B3 P0460 P0461