LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2016 >> GS 200t Base >> Repair and Diagnosis >> Body & Frame >> Seats >> Front Power Seat Control System - Diagnostic Codes >> Front Power Seat Control System >> DTC U0140: Lost Communication with Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U1115: Lost Communication with Tilt & Telescopic Module [09/2014 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0140: Lost Communication with Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U1115: Lost Communication with Tilt & Telescopic Module [09/2014 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Recheck for DTCs and check if the same DTCs are output again.

      OK

      No DTCs are output.

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )