P0B76

Hybrid/EV Battery Voltage Sense L Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Unstable battery voltage readings
The car may go into emergency mode

Causes

Damage to the voltage measurement circuit wiring harness
Poor contact in the voltage sensor connectors
Battery voltage sensor fault
Interference in the electrical system
Problems with the battery management module

How to Fix

Check the integrity of the voltage measurement circuit wiring harness
Inspect and clean the contacts in the sensor connectors
Check the operation of the battery voltage sensor
Scan the system for other errors
If necessary, replace the voltage sensor or wiring harness

Related codes

P0B77 P0B75 P0A7F