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Tucson GL, Automatic Trans
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Different variant/trim
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Section 6 (4WD Control Diagnosis)
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DTC U1121: Lost Communication With Electric Stability Program Module
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DTC Information
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DTC Description
DTC Description
WARNING:
This page is about a different variant/trim than selected.
If the 4WD ECU doesn't get some ESC signals from ESC module, it sets U1126.