General Information

B1625 ECM Communication Data Failure

General Information

Component Location





General Description

Smart key Module communicates with PCM through the serial communication line. If PCM requests authentication from Smart key Module after IG ON, Smart key Module check authentication with transponder then, sends this signal to PCM whether authentication is O.K or not.

DTC Description

Smart key Module sets DTC B1625 if Data from PCM is error such as check sum error, Data Frame error, ID Unknown error, Data length error and Time out error.

DTC Detecting Condition





Diagnostic Circuit Diagram