P0B67

Hybrid/EV Battery Voltage Sense I Circuit Intermittent/Erratic

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Switching the hybrid system into emergency mode
Unstable operation of the hybrid system
Reduced performance of the hybrid system

Causes

Poor contact in the voltage measurement circuit connectors
Damage to the sensor circuit wiring harness
Battery voltage sensor fault
Corrosion of contacts in the circuit
Problems with the hybrid system control unit

How to Fix

Check the condition of the connectors and contacts in the voltage measurement circuit
Check the integrity of the sensor circuit wiring harness
Check the resistance and signal of the battery voltage sensor
If necessary, replace the battery voltage sensor
Check and update the software of the hybrid system control unit

Related codes

P0B66 P0B68 P0B69