P0A4B

Generator Position Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Battery charging problems
Generator power reduction
Unstable operation of the vehicle's electrical system

Causes

Open or short circuit in the sensor circuit
Generator position sensor malfunction
Wiring Harness Problems
Generator malfunction
Poor contact in connectors

How to Fix

Check the integrity of the sensor circuit
Check the resistance of the generator position sensor
Inspect the wiring harness for damage
Check contacts in connectors
If necessary, replace the generator position sensor

Related codes

P0A4A P0A4C P0620