B15D1 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B15D1 – Audio HU Disconnected

 

B15D1 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B15D1 Possible Causes

 

Faulty Radio Receiver Assembly,Radio Receiver Assembly harness is open or shorted,Radio Receiver Assembly circuit poor electrical connection,Faulty Display and Navigation Module Display

 

B15D1 Description

 

The Display and Navigation Module Display and Radio Receiver Assembly are connected by the MOST communication line. When an MOST communication error occurs between the Display and Navigation Module Display and Radio Receiver Assembly, the Diagnostic Trouble Code (DTC) will be stored.