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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (INFINITI INTOUCH) (Diagnostic Trouble Codes (DTCS) & Symptom Tests (Exc Hybrid) >> DTC/Circuit Diagnosis >> DTC U1249: Audio H/U Conn >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC Trouble diagnosis
(Trouble diagnosis contents)		 Detecting condition
U1249 AUDIO H/U CONN
(Audio head unit connection error)
  • AV control unit power supply and ground circuits are malfunctioning.
  • AV communication circuit between display control unit and AV control unit is malfunctioning.
NOTE:

DTC U1249 is displayed with DTC U1300.

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