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Home >> Hyundai >> 2021 >> Elantra Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System - 1.6L (Except HEV)) >> Engine Control Module (ECM) >> Repair Procedures >> Adjustment >> ECM neutralization procedure (With immobilizer)

ECM neutralization procedure (With immobilizer)

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below.

[In the case of installing used ECM] 

  1. Perform "ECM Neutral mode" procedure with diagnostic tool.

    (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

  2. After finishing "ECM Neutral mode", perform "KEY TEACHING " procedure with diagnostic tool.

    (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

[In the case of installing new ECM] 

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