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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Hybrid Battery System (For Lithium-Ion Battery) - Diagnostic Codes (3 Of 3) & Circuit Tests) >> HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY) >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message [08/2020 - ] >> Procedure

DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message [08/2020 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, and 2021 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC OUTPUT (HV BATTERY) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / HV Battery / Trouble Codes.
    4. Check for DTCs.

      Powertrain > HV Battery > Trouble Codes 

    5. Turn the power switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

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