General Information

Instrument Panel Module
B1699 CAN timeout between IPM and AV/AVN - General Information

Component Location





General Description

This is DTC which is related with communication error between IPM and other units.
** Body CAN communication Control Units : IPM(Inter Panel Module), CLU(Cluster), SMK(Smart Key), HU(Head Unit).
* CAN (Controller Area Network) : CAN is serial bus communication type which links not only communication system but also control units each other.
*2 LIN (Local Interconnect Network) : LIN is serial communication type which is used in electrical control system. (This is less expensive.)






DTC Description

This code is outputted when IPM can't receive data from AV/AVN by CAN Line for 6 sec.

DTC Detecting Condition





Diagnostic Circuit Diagram










Signal Waveform & Data








Fig.1) CAN Low/High Signal Waveform
Fig.2) CAN BUS Voltage Level (Low Speed CAN)