B1005 ACURA – MICU Lost Communication With Relay Control Module

B1005 ACURA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1005 ACURA Possible Causes

Faulty Relay Control Module,Relay Control Module harness is open or shorted,Relay Control Module circuit poor electrical connection,Faulty Multiplex Control Unit Module (MICU)

B1005 ACURA Description

The Multiplex Control Unit Module (MICU) monitors the Relay Control Module. The MICU sets the OBDII code when the Relay Control Module is not to factory specifications.