P0B3E

Hybrid/EV Battery Voltage Sense A Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Increased fuel consumption
Battery charging problems

Causes

Battery voltage sensor fault
Damage to the sensor circuit wiring harness
Short circuit in the circuit
Problems with the battery management module
Malfunction of the hybrid battery itself

How to Fix

Check the integrity of the sensor wiring harness
Test battery voltage sensor
Check connections and contacts in the circuit
Scan the battery management module for errors
If necessary, replace the voltage sensor

Related codes

P0B3D P0B3F P0B40