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Home >> Lexus >> 2021 >> UX 250h Luxury >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (Diagnostic Codes & Symptom Tests (1 Of 3)) (Hybrid) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Power Back Door ECU Communication Stop Mode [07/2022 - ] >> Description

Power Back Door ECU Communication Stop Mode [07/2022 - ]: Description

Detection Item Symptom Trouble Area
Power Back Door ECU Communication Stop Mode Any of the following conditions are met:
  • Communication stop for "Back Door" is indicated on the "Communication Bus Check" screen of the Techstream.

    Refer to PROBLEM SYMPTOMS TABLE [07/2022 - ]

  • Communication stop history for "Back Door" is indicated on the "Communication Bus Check (Detail)" screen of the Techstream. (The Lost Communication Time value for "Back Door" is 6 or more.)

    Refer to PROBLEM SYMPTOMS TABLE [07/2022 - ]

  • Communication system DTCs (DTCs that start with U) that correspond to "Luggage Door ECU Communication Stop Mode" in "DTC Combination Table" are output.

    Refer to DTC COMBINATION TABLE [07/2022 - ]

  • Multiplex network door ECU branch line or connector
  • Power source circuit of multiplex network door ECU
  • Multiplex network door ECU ground circuit
  • Multiplex network door ECU