B116A Code: Meaning, Causes, and Symptoms | OBD2 Codes

B116A – Handset Microphone General Electrical Failure


B116A Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B116A Possible Causes


Faulty Handset Microphone,Handset Microphone harness is open or shorted,Handset Microphone circuit poor electrical connection,Faulty Accessory Protocol Interface Module (APIM)


B116A Description


The Accessory Protocol Interface Module (APIM) monitors the Handset Microphone. The APIM sets the OBDII code when it detects a short to voltage, short to ground or an open on the microphone circuits.