P0B75

Hybrid/EV Battery Voltage Sense L Circuit High

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check engine light comes on
Hybrid system power reduction
Increased fuel consumption
The car may go into emergency mode
Possible problems with battery charging

Causes

Hybrid battery voltage sensor malfunction
Damage to wiring or connectors in the control circuit
Problems with the hybrid system control module
Malfunction of the traction battery itself
Short circuit in the sensor circuit

How to Fix

Check the condition and voltage of the hybrid battery
Diagnose the voltage sensor circuit for breaks and short circuits
Check connectors and connections in the control circuit
Test battery voltage sensors
If necessary, replace faulty components
Repair only from an authorized dealer

Related codes

P0B74 P0B76 P0A80