B13F5 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B13F5 – Backup Microphone General Electrical Failure

 

B13F5 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B13F5 Possible Causes

 

Faulty Backup Microphone,Backup Microphone harness is open or shorted,Backup Microphone circuit poor electrical connection,Faulty Digital Audio Control Module (DACMC)

 

B13F5 Description

 

The Digital Audio Control Module (DACMC) monitors the Backup Microphone. The OBDII sets by the DACMC when a failure is detected on the rear active noise control microphone circuits.