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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> ECM >> Installation [10/2023 - ] >> Caution / Notice / Hint
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Caution / Notice / Hint

NOTE:
  • If the ECM has been struck or dropped, replace it.
  • After replacing the ECM, make sure to perform Vehicle Identification Number (VIN) registration, ECU configuration and update ECU security key.
  • After performing the Vehicle Identification Number (VIN) registration procedure, ECU configuration procedure and update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.