P0BA5

Hybrid/EV Battery Voltage Sense V Circuit Range/Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Hybrid system power reduction
Reducing the range of an electric vehicle
Check Engine Light Illuminates
Incorrect battery level display
The car goes into emergency mode

Causes

Faulty battery voltage sensors
Damaged or corroded wiring
Poor contact in connectors
Problems with the battery management module
Malfunction of the battery itself

How to Fix

Check the condition of the wiring and connectors
Test voltage sensors
Check the functionality of the battery management module
Scan the system for other errors
Diagnose battery condition

Related codes

P0BA0 P0BA6 P0BAC