Diagnostic trouble code (DTC) information

Condition 

Diagnostic trouble code (DTC) AUM-4603 is stored if the quality of the read off signal is poor or if the disc in the 10 CD changer rotates unevenly.

Possible Source 

• Reading fault in the 10 CD changer.
• Defective 10 CD changer.
• Defective CD disc.

Fault symptom[s] 

• No sound reproduction from the 10 CD changer.