The 6 components related with Body Control Module(hereinafter referred to BCM) connect with each other via CAN(Controller Area Network) communication system. These are BCM. Assist Door Module (ADM), Drive Door Module (DDM), Power Seat Unit (PS), tilt/telescope control unit and Personal Identification Card (PIC)
Wiper Motor Module (WMM) and Mulit-Function Switch (M/F) connect with BCM via LIN (Local Interconnect Network). Therefore it is possible to diagnose an overall system with scantool.
*¹ CAN (Cotroller Area Network) : CAN is a serial bus system especially suited for networking "intelligent" devices as well as sensors and actuators within a system or sub-system.
*² LIN (Local Interconnect Network) : LIN is a new low cost serial communication system intended to be used for distributed electronic systems in vehicles, which complements the existing portfolio of automotive multiplex networks.
This code means that there is a problem in CAN BUS between BCM and following control modules; Assist Door Module (ADM), Drive Door Module (DDM), Power Seat Unit (PS), tilt/telescope contor unit and Personal Identification Card (PIC). It is set if the can line short circuited each other is short circuited to battery/ground. It is unable to transmit data to other module when this code is set but receiving data is possible.
Item
Detecting Condition
Possible Cause
DTC Strategy
? Check CAN communition state.
? CAN checksum error
? CAN bit error
? CAN stuffing error
Enable Conditions
? Unable to transmit data via CAN line.
Threshold value
? CAN line short to each other is short circuited to ground
? CAN line short to each other is short circuited to battery
Detecting time
? at once