P0B7F

Hybrid/EV Battery Voltage Sense N Circuit High

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–222 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Battery charging problems
Reduced vehicle power
Errors in the battery management system

Causes

Voltage sensor fault
Damaged wiring or poor contact in the circuit
Problems with the Battery Management Module (BMS)
Short circuit in the measuring circuit
Software error in the control system

How to Fix

Check the integrity of the wiring and contacts in the voltage measurement circuit
Test voltage sensors to specifications
Check Battery Management Module (BMS) operation
Scan the system for additional errors
Update control system software if necessary

Related codes

P0B7E P0B80 P0B81