Hyundai Sonata: Immobilizer System / Immobilizer Control Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the driver crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Remove the knee airbag module.
(Refer to Restraint - "Knee Airbag (KAB) Module")
4.
Disconnect the connector of the immobilizer unit and then remove the immobilizer unit (A) after loosening a nut.

Installation
1.
Install the immobilizer control unit after connecting the unit connector.
2.
Install the crash pad lower panel and knee airbag module.
3.
Connect the negative (-) battery terminal.
Repair procedures
Teaching Procedures 1. Key Teaching Procedure Key teaching must be done after replacing a defective PCM(ECM) or when providing additional keys to the vehicle owner. The procedure starts with a ...

Antenna Coil Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Disconnect the 6P connector (B) of the coil ante ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location 1. Head lamp leveling actuator (Built-in Head lamp)2. Head lamp leveling unit (Rear right only) ...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the trunk lide trim. (Refer to Body - "Trunk Lid Trim") 3. Disconnect the back view camera connector (A). 4. Remove the back view camera (A) after disengaging the mounting clip. Installation 1. Install the back ...

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