General Information

B1987 Sub Micom Failed

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

This code reports the malfunction of NEC MCU inside Smart key Module. This is the case which there is the NEC MCU communication error.

DTC Detecting Condition