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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. Detection Item DTC Detection Condition Trouble Area
U0101 Lost Communication with TCM Lost communication with the power management control ECU CAN communication system
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Lost communication with the combination meter assembly CAN communication system
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

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      1. Body Electrical > Clearance Sonar > Clear DTCs


    2. Check for CAN communication system DTCs

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      1. Body Electrical > Clearance Sonar > Trouble Codes


      Result
      Result Proceed to
      CAN communication system DTCs are output A
      No CAN communication system DTCs are output B