P0B20 – Hybrid Battery Pack Voltage Sense ‘D’ Circuit Low

P0B20 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P0B20 Possible Causes

Faulty Hybrid Battery Pack,Hybrid Battery Pack harness is open or shorted,Hybrid Battery Pack circuit poor electrical connection

P0B20 Description

The Engine Control Module (ECM) monitors the Hybrid Battery Pack Voltage Sensor ‘D’ Circuit. The ECM sets the OBDII code when the Hybrid Battery Pack Voltage Sensor ‘D’ Circuit signal is out of factory specifications.