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DTC Logic

DTC Display contents of CONSULT DTC detection condition Possible malfunction factor
U121C HDD ACCESS
[U121C]		 AV control unit malfunction is detected.
  • If the music box function has no malfunctions, then there is a possibility of the detection of a temporary malfunction.
  • Replace the AV control unit if the malfunction occurs constantly.

    Refer to REMOVAL AND INSTALLATION .
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