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

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

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 ECM CAN communication system
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Lost communication with the combination meter assembly CAN communication system

Tech Tips

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

CAUTION / NOTICE / HINT

Note

If DTCs are output after repairs, turn the engine switch on (IG) and turn the combination switch assembly (clearance sonar main switch) on. Then clear the DTCs.

Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs

      Click here


      Body Electrical > Clearance Sonar > Clear DTCs

    2. Check for DTCs

      Click here


      Body Electrical > Clearance Sonar > Trouble Codes
      Result
      Result Proceed to
      DTC U0101 and U0155 are not output A
      DTC U0101 and/or U0155 are output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM for LHD GO TO CAN COMMUNICATION SYSTEM Click here
    GO TO CAN COMMUNICATION SYSTEM for RHD GO TO CAN COMMUNICATION SYSTEM Click here