Category Trouble Code

1. Introduction The P0AA6 diagnostic trouble code (DTC) is one of the most critical and commonly encountered fault codes in hybrid electric vehicles (HEVs). Defined as Hybrid Battery Voltage System Isolation Fault, this code indicates that the vehicle’s high-voltage (HV) system…

The P0A80 diagnostic trouble code is one of the most common and critical fault codes in hybrid vehicles, particularly Toyota Prius, Camry Hybrid, Lexus RX400h/450h, and other Toyota/Lexus hybrids. It directly indicates a performance degradation or internal failure of the…