LEXUS PARKING ASSIST-SENSOR SYSTEM, Diagnostic DTC:U0155, U1114

DTC Code DTC Name
U0155 Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)
U1114 Lost Communication with Main Switch Module

DESCRIPTION

The ECU receives signals from the steering angle sensor, No. 1 meter ECU and outer mirror switch via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module

  • CAN communication system

  • No. 1 Meter ECU

  • Clearance warning ECU
U1114 Lost Communication with Main Switch Module

  • CAN communication system

  • Outer mirror switch

Tech Tips

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

CAUTION / NOTICE / HINT

Refer to U0155 (CAN communication system for LHD) Click here.

Refer to U0155 (CAN communication system for RHD) Click here.

Refer to U1114 (CAN communication system for LHD) Click here.

Refer to U1114 (CAN communication system for RHD) Click here.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Check the DTC Click here.

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

    A

    GO TO CAN COMMUNICATION SYSTEM Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    USE SIMULATION METHOD TO CHECK Click here