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LEXUS PARKING ASSIST-SENSOR SYSTEM, Diagnostic DTC:U0101, U0155

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DTC Code DTC Name
U0101 Lost Communication with TCM
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
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DESCRIPTION

These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication line.

DTC No. DTC Detection Condition Trouble Area
U0101 Lost communication with hybrid vehicle control ECU assembly CAN communication system
U0155 Lost communication with combination meter assembly
Tip:

When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.

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PROCEDURE


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    CHECK DTC OUTPUT


    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      Result
      Result Proceed to
      DTCs (CAN communication system DTC) are output (w/ Central Gateway ECU) A
      DTCs (CAN communication system DTC) are output (w/o Central Gateway ECU) B
      No DTCs are output C

    • A

      GO TO CAN COMMUNICATION SYSTEM (w/ Central Gateway ECU) (Click here)

    • B

      GO TO CAN COMMUNICATION SYSTEM (w/o Central Gateway ECU) (Click here)

    • C

      USE SIMULATION METHOD TO CHECK (Click here)