P0B16

Hybrid/EV Battery Pack Voltage Sense B Circuit Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–222 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Reduced performance of the hybrid system
Errors in the charging system

Causes

Battery voltage sensor malfunction
Open or short circuit in the measurement circuit
Poor contact in circuit connectors
Malfunction of the hybrid system control module
Problems with the battery itself

How to Fix

Check battery voltage
Check the integrity of the voltage measurement circuit
Check connections and connectors in the circuit
Test voltage sensors
If necessary, replace faulty components

Related codes

P0B15 P0B17 P0A80