P0B9C

Hybrid/EV Battery Voltage Sense T Circuit Low

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Reduced performance of the hybrid system
Problems with charging a high-voltage battery

Causes

Malfunction of the high-voltage battery voltage sensor
Open or short circuit in the measurement circuit
Poor contact in the measuring circuit connectors
Malfunction of the hybrid system control module
Problems with high voltage battery

How to Fix

Check the integrity of the voltage measurement circuit
Check the condition of connectors and contacts
Test battery voltage sensors
Check the functionality of the hybrid system control module
Diagnose the condition of a high-voltage battery

Related codes

P0B9B P0B9D P0AFA