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Home >> Lexus >> 2020 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Sub Battery System - Diagnostic Codes & Circuit Tests >> Sub Battery System >> DTC B2301: Communication Error from Electronic Shift Lever System to Sub Battery Module [12/2017 - 10/2023] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

  1. Connect the Techstream to the DLC3.
  2. Turn the engine switch on (IG) and turn the Techstream on.
  3. Clear the DTCs.

    Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

  4. Turn the engine switch off and wait for at least 30 seconds.
  5. Turn the engine switch on (IG) and wait for at least 15 seconds or more. (A)
  6. Turn the engine switch off and wait for at least 30 seconds. (B)
  7. Repeat steps (A) through (B) shown above at least 3 times.
  8. Turn the engine switch on (IG).
  9. Turn the Techstream on.
  10. Enter the following menus: Body Electrical / Sub Battery Module / Trouble Codes.
  11. Check the DTC.

    Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]

    HINT: 

    If a DTC is output, the system is malfunctioning.

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