B1160 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1160 – Gauge Control Module Lost Communication With Door Multiplex Control Unit


B1160 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1160 Possible Causes


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


B1160 Description


The Gauge Control Module monitors the Multiplex Integrated Control Unit (MICU). The Gauge Control Module sets the OBDII code when there is no communication with the MICU (Door Lock Switch Message).