Toyota Corolla Cross: Engine Stop And Start Ecu

 Update Ecu Security Key

UPDATE ECU SECURITY KEY NOTICE: It is necessary to log in to the Toyota server to perform an ECU security key update. Users other than Toyota dealers can log in with a guest account issued when an ECU is ordered. UPDATE ECU SECURITY KEY (a) Enter the following menus: System Select

 Lost Communication with TCM Missing Message (U010187,U010087,U012987,U013187,U014087,U015587,U024287,U029387)

DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the headlight ECU sub-assembly LH and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication with ECM/PCM "A" Missing Message The headlight ECU s