P3000 TOYOTA, LEXUS - BATTERY CONTROL SYSTEM MALFUNCTION
POST UPDATED IN January, 2021
P3000 TOYOTA, LEXUS - BATTERY CONTROL SYSTEM MALFUNCTION
The Battery Management System (BMS) provides the electronic control that manages a rechargeable battery. It ensures that the battery operation is within the safe area, it also calculates the secondary data, monitors its condition, and reports this data to control its environment or balance. When the battery is integrated into the BMS with an external communication data bus, it is considered a smart battery, which must be charged with a special smart battery charger.
In the case of Toyota and Lexus vehicles, the diagnostic code P3000 OBDII applies to failures with the battery control system. This code shows there is a problem with the battery ECU. This is set when the state of charge decreases, after leaving the vehicle in position N, or by a malfunction in the HV system. This is a very common code, which will usually be accompanied by a suffix to help with a more specific diagnosis.
The reasons why the fault code P3000 OBD2 is stored are:
To solve the P3000 OBDII DTC code, you should consider the following: