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 Control Module (Combination Meter)

DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
U0101 Lost Communication with TCM CAN communication system
U0155 Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)

Tech Tips

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

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (CAN COMMUNICATION)


    1. Clear the DTCs.


    2. Check for DTCs.


      Result
      Result Proceed to
      DTC (CAN communication system [for LHD] DTC) is output A
      DTC (CAN communication system [for RHD] DTC) is output B
      No DTC is output C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    USE SIMULATION METHOD TO CHECK Click here

    A

    GO TO CAN COMMUNICATION SYSTEM Click here