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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (A25A-FXS) - Service Information) >> ECM >> Installation [11/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • After replacing the ECM, make sure to perform vehicle identification number (VIN) registration and update ECU security key.
  • After performing the vehicle identification number (VIN) registration 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.
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