P0B2C

Hybrid/EV Battery C Voltage Unstable

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–889 (est.)

Symptoms

Reduced vehicle power
Reducing electric range
Check Engine Light Illuminated
Battery warning on instrument panel
The car goes into emergency mode

Causes

Cell imbalance in battery module C
Increased internal cell resistance
Poor contact in battery module connectors
Battery cell degradation
Problems with the battery cooling system

How to Fix

Diagnosis of high-voltage battery condition
Checking the voltage balance of all module cells
Checking connections and contacts in the module
Replacing a faulty battery module if necessary
Calibrating the battery management system after repair

Related codes

P0B2B P0B2D P0AFA