General Information

P1694 EMS message error

General Information

Component Location





General Description

The ECM and the SMARTRA communicate by dedicated line. During this communication of ECM and SMARTRA the K line of ECM cannot be used for communication. The ECM controls the communication either to SMARTRA or to other devices (e.g. scanner) on K line by switching of a multiplexer and specific communication procedures. The multiplexer is a part of ECM H/W.

DTC Description

The ECM sets DTC P1694 if Request from EMS is invalid.

DTC Detecting Condition