Toyota Corolla Cross: K120f (cvt)

 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)

DESCRIPTION If there is a communication malfunction between the hybrid vehicle control ECU and ID code box (immobiliser code ECU), or when the communication ID codes do not match, the hybrid vehicle control ECU stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Ar

 All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate

DESCRIPTION When the wireless operation can be used to lock and unlock the doors, communication between the electrical key and tire pressure warning ECU and receiver and certification ECU (smart key ECU assembly) is normal. If the entry lock and unlock functions do not operate, the entry cancel func