Toyota Corolla Cross: Heating / Air Conditioning

 Hybrid/EV Powertrain Control Module Unexpected Operation (P0A1D94)

DESCRIPTION The battery ECU assembly monitors the hybrid vehicle control ECU via CAN communication. If the battery ECU assembly detects that the hybrid vehicle control ECU is malfunctioning, it will illuminate the MIL and store a DTC. DTC No. Detection Item DTC Detection Condition

 Check Bus 7 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