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Home >> Infiniti >> 2017 >> QX50 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio, Visual & Navigation System (Base Audio Without Navigation) (DTC/Circuit Diagnosis) >> DTC / Circuit Diagnosis >> DTC U121E: Av Control Unit >> DTC Logic
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DTC Logic

DTC Display contents of CONSULT DTC detection condition Possible malfunction factor
U121E DSP COMM
[U121E]		 AV control unit malfunction is detected.
  • If a disc can be played, then there is a possibility of the detection of a temporary malfunction.
  • Replace the AV control unit if the malfunction occurs constantly.
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