P0B1D

Hybrid/EV Battery Pack Voltage Sense C Circuit Intermittent/Erratic

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Hybrid system power reduction
Check Engine Light Illuminates
The vehicle goes into emergency mode
Unstable operation of the power plant
Low battery power

Causes

Oxidized or damaged contacts in connectors
Open or short circuit in the sensor circuit
Battery voltage sensor fault
Problems with the battery management module
Corroded or damaged wiring

How to Fix

Check the condition of the connectors and contacts in the circuit
Test wiring integrity
Check voltage sensor readings
Replace faulty circuit components
Update control module software

Related codes

P0B1C P0B1E P0B1F