Toyota Corolla Cross: Oil Pan

 Check Bus 4 Line

DESCRIPTION Symptom Trouble Area There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen. CAN main

 DC/DC Converter Internal Electronic Failure (P1CCC49)

DESCRIPTION The DC/DC converter converts the voltage from the HV battery to supply power to the vehicle lights, audio system and various ECUs, etc. At the same time, it performs charging of the auxiliary battery, controlling the output voltage to maintain a specific voltage at the auxiliary batte