P0E44

Hybrid/EV Battery Pack Voltage Sense E Circuit

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–111 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Reducing electric range
Incorrect display of battery charge level
The vehicle goes into emergency mode

Causes

Open or short circuit in the voltage measurement circuit
Poor contact in the measuring circuit connectors
Faulty battery voltage sensors
Problems with the Battery Management Module (BMS)
Corroded contacts or damaged wiring

How to Fix

Check the integrity of the voltage measurement circuit
Inspect and clean all contacts in the circuit
Check the operation of voltage sensors
Test the Battery Management Module (BMS)
If necessary, replace damaged components

Related codes

P0E45 P0E46 P0A80