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Home >> Infiniti >> 2012 >> G25 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Audio, Visual, Navigation System) >> [Telematics System] >> DTC/Circuit Diagnosis >> DTC U1A05: TCU >> DTC Logic
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DTC Logic

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION AND PROBABLE ACTIONS

DTC Display contents of CONSULT DTC detection condition Action to take
U1A05 USB COMM [U1A05] It is detected for malfunction of the USB communication module (communication disabled) between TCU and AV control unit.
  • Check the USB harness connection and erase DTC.
  • Replace TCU if the malfunction constantly occurs.

    Refer to "REMOVAL AND INSTALLATION ".
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