P0B6D

Hybrid/EV Battery Voltage Sense K Circuit

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced hybrid system performance
Malfunction warning on the instrument panel
Incorrect battery charge display
Premature switching to internal combustion engines in hybrid cars
Motor power limitation

Causes

Open or short circuit in the voltage sensor circuit
Battery Monitoring Module (BMS) malfunction
Damage to connectors or corrosion of contacts
Problems with high voltage battery
Software errors in the control system

How to Fix

Check the integrity of the voltage measurement circuit
Inspect connectors and connecting wires
Check calibration of voltage sensors
Test the Battery Management Module (BMS)
Repair only from an authorized dealer

Related codes

P0B6C P0B6E P0A80