Hyundai Tucson: Immobilizer System / Immobilizer Control Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to the BD group - "Crash pad")
3.
Remove the steering column assembly.
(Refer to the ST group - "steering column & shaft")
4.
Disconnect the 5P connector of the SMARTRA unit and then remove the SMARTRA unit (A) after loosening a bolt.
[LHD]

[RHD]

Installation
1.
Install the immobilizer control unit after connecting the unit connector.
2.
Install the steering column assembly.
3.
Install the crash pad lower panel.
Repair procedures
Replacement Problems And Replacement Parts: ProblemPart setScan tool requiredxAll keys have been lostBlank key (4)YESAntenna coil unit does not workAntenna coil unitNOECM does not workPCM(ECM)YESI ...

Antenna Coil Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the steering column upper and lower shrouds (A). [LHD] [RHD]     Take care not to damage and scratch the ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: Manifold Absolute Pressure Sensor (MAPS) Description and Operation
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Hyundai Tucson (LM) 2010-2015 Owners Manual: Interior rearview mirrors
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