DTC B1D19-64; Incompatible Disc Inserted

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION AND POSSSIBLE CAUSE

Description	Incompatible disc inserted
Detection condition	With the ignition switched ON (engine on or off), the connectivity master unit (CMU) detects a disc having a data format that is incompatible with the CD player.
Fail-safe function	Eject a disc.
Possible cause	Use of incompatible disc Data format other than music data (CD-DA)/MP3/WMA (Windows Media Audio)/ACC (Advance Audio Coding) is stored in the disc. Use of blank disc Disc insertion direction mistaken Disc scratched or dirty CD player internal malfunction
System wiring diagram	Not applicable

DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	INSPECT CD PLAYER Clear the DTC for the connectivity master unit (CMU) using the M-MDS. (See CLEARING DTC [CONNECTIVITY MASTER UNIT] .) Perform diagnostic assist code "01" CD player inspection. (See DIAGNOSTIC ASSIST FUNCTION [CONNECTIVITY MASTER UNIT] .) Perform the DTC inspection for the connectivity master unit (CMU) using the M-MDS. (See DTC INSPECTION [CONNECTIVITY MASTER UNIT] .) Is the same DTC displayed?	Yes	Replace the CD player, then go to the next step. (See CD PLAYER REMOVAL .) (See CD PLAYER INSTALLATION .)
1		No	Go to the next step.
2	VERIFY OTHER DTCs Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [CONNECTIVITY MASTER UNIT] .)
2	VERIFY OTHER DTCs Are any other DTCs displayed?	No	DTC troubleshooting completed.