P0B24

Hybrid/EV Battery A Voltage Unstable

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–556 (est.)

Symptoms

Hybrid system power reduction
Increased fuel consumption (in hybrids)
Warning messages on the dashboard
Problems with charging a high-voltage battery
Uneven engine operation

Causes

Worn or damaged battery cells
Problems with balancing battery cells
Battery management system (BMS) malfunction
Damage to high voltage connections
Battery contact corrosion

How to Fix

Diagnosis of battery cell condition
Checking and restoring cell balance
Battery Management System (BMS) Diagnostics
Checking the integrity of high voltage connections
Replace damaged battery cells if necessary

Related codes

P0B25 P0B23 P0A80