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).