P0B2F

Hybrid/EV Battery D Voltage

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$167–1111 (est.)

Symptoms

Hybrid system power reduction
Hybrid System Check Warning on Dashboard
Reducing the range of an electric vehicle
Switching to backup mode
Unstable operation of the power plant

Causes

Battery cell voltage imbalance
Battery management system (BMS) malfunction
Damage to high voltage connections
Battery cell degradation
Problems with voltage converter

How to Fix

Diagnosis of the high-voltage battery system using specialized equipment
Checking battery cell balancing
Battery Management System (BMS) Testing
Checking the integrity of high-voltage wiring and connections
Repair only from an authorized dealer

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