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Home >> Infiniti >> 2016 >> QX60 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (DTC/Circuit Diagnosis) (BOSE Audio W/NAVI W/Surround) (Except Hybrid) (1 Of 2) >> DTC/Circuit Diagnosis >> DTC U121C: Av Control Unit >> DTC Logic

DTC Logic

CONSULT Display DTC Detection Condition Possible Cause
HDD ACCESS
[U121C]		 AV control unit malfunction is detected. An intermittent error causing HDD malfunction may be detected.
Replace AV control unit if malfunction occurs constantly.
Refer to REMOVAL AND INSTALLATION .
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