DTC B2785: Communication Malfunction between ECUs Connected by LIN [12/2017 - 10/2022]: Description

The certification ECU intermittently monitors the LIN communication bus between the components related to certification. DTC B2785 is stored when a malfunction in the LIN communication bus between the components related to certification is detected 3 times consecutively.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2785	Communication Malfunction between ECUs Connected by LIN	The certification ECU detects a malfunction in the LIN communication bus between components related to certification 3 times consecutively.	Certification ECU (smart key ECU assembly) ID code box (immobilizer code ECU) Steering lock actuator with ECU assembly Harness or connector