P0B2D

Hybrid/EV Battery C Voltage Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–1111 (est.)

Symptoms

Reduced vehicle power
Increased fuel consumption (in hybrids)
Warning messages on the dashboard
Limitation of operation in electric mode
Battery charging problems

Causes

Degradation of battery cells in section C
Problems with balancing battery cells
Battery management system (BMS) malfunction
Damage to high voltage connections
Problems with contacts in the battery module

How to Fix

Diagnosis of high-voltage battery condition
Checking battery cell balancing
Battery Management System (BMS) Testing
Checking high voltage connections and contacts
Replacing faulty battery cells or the entire module

Related codes

P0B2C P0B2E P0A80