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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Engine Control System - Diagnostic Codes (P2A00-U1154) & Circuit Tests (1 Of 2)) >> SFI System >> DTC U0164-87: Lost Communication with HVAC Control Module Missing Message [08/2023 - ] >> Procedure

DTC U0164-87: Lost Communication with HVAC Control Module Missing Message [08/2023 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
  1. GO TO CAN COMMUNICATION SYSTEM 

    HINT: 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2023 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

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