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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Electronic A/T Shift Lever System - Diagnostic Codes (2 Of 2) & Circuit Tests) >> Electronic Shift Lever System >> DTC P1788-04: Gear Shift Control Module "B" (Main CPU) System Internal Failure [10/2022 - ] >> Procedure

DTC P1788-04: Gear Shift Control Module "B" (Main CPU) System Internal Failure [10/2022 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. REPLACE SHIFT CONTROL ACTUATOR ASSEMBLY (SHIFT ACTUATOR ECU) 

    HINT: 

    Refer to REMOVAL [10/2022 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

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