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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Electronic A/T Shift Lever System - Diagnostic Codes (1 Of 2)) >> Electronic Shift Lever System >> DTC P085D-94: Gear Shift Control Module "A" Unexpected Operation [10/2022 - ] >> Confirmation Driving Pattern

Confirmation Driving Pattern

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.

HINT: 

  1. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  2. Turn the ignition switch off and wait for 2 minutes or more.
  3. Start the engine. [*1]
  4. With the brake pedal depressed, change the shift state from R to D. [*2]
  5. Drive the vehicle at a speed of 40 km/h (25 mph) or more for 10 seconds or more. [*3]
  6. Stop the vehicle, and with the brake pedal depressed, change the shift state from M to N. [*4]
  7. Press the P position switch to change the shift state to P. [*5]

    HINT: 

    [*1] to [*5]: Normal judgment procedure.

    The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

  8. Enter the following menus: Powertrain / Transmission / Utility / All Readiness.
  9. Check the DTC judgment result.

    HINT: 

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE, perform the normal judgment procedure again.