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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (Audio, Visual & Navigation System) >> DTC/Circuit Diagnosis >> DTC U125A: Headrest Display Unit >> DTC Logic
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DTC Logic

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC Display contents of CONSULT DTC Detection Condition Possible causes
U125A 3RD DISP CONN [U125A] When either one of the following items are detected:
  • headrest display unit RH power supply and ground circuits are malfunctioning.
  • AV communication circuits between headrest display unit LH and headrest display unit RH are malfunctioning.
  • location recognition signal circuit between headrest display unit RH and ground is malfunctioning.
  • Headrest display unit RH power supply and ground circuits.
  • AV communication circuits between Headrest display unit LH and headrest display unit RH.
  • Location recognition signal circuit between headrest display unit RH and ground.