P0EFB

Battery Charger A Input Voltage Sensor C Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Problems with charging a high-voltage battery
Reduced performance of the hybrid system
System transition to emergency mode
Error message on display

Causes

Input voltage sensor fault
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Corroded contacts or damaged wiring
Battery management module malfunction

How to Fix

Check the integrity of the sensor wiring and connectors
Check the resistance and voltage at the sensor
Clean contacts from corrosion if necessary
Replace faulty input voltage sensor
Check and replace the battery management module if necessary

Related codes

P0EFC P0EFD P0EFE