Toyota Corolla Cross: ADAS & AD

 Immobiliser Amp Missing Message (B278E87)

DESCRIPTION A transponder key amplifier is built into the certification ECU (smart key ECU assembly). When a communication malfunction occurs with the transponder key amplifier inside the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detect

 Back Door Entry Unlock Function does not Operate

DESCRIPTION If the entry unlock function does not operate for the back door only, but the entry lock function operates, the request code is being transmitted properly from the back door. In this case, there may be a problem related to the open switch (connection between the back door opener switch a