LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2022 >> NX 350 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ Level Control) - Diagnostic Codes (2 Of 2) & Circuit Tests >> LIGHTING SYSTEM (w/ Automatic Headlight Beam Level Control System) >> DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0241-87: Lost Communication with Headlamp Control Module "A" Missing Message; DTC U114F-87: Lost Communication with Power Integration Module Missing Message [11/2021 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0241-87: Lost Communication with Headlamp Control Module "A" Missing Message; DTC U114F-87: Lost Communication with Power Integration Module Missing Message [11/2021 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

      Body Electrical > Headlight Control (Sub) > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 

    Pre-procedure1

    1. Turn ignition switch to ON.
    2. Wait 10 seconds or more.

      Procedure1

    3. Check for DTCs.

      Body Electrical > Headlight Control (Sub) > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      U0126-87, U0129-87, U0140-87, U0155-87, U0241-87 or U114F-87 is output B

      Post-procedure1

    4. None

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    for HEV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]

    for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]