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Home › Kia › 2021 › Sorento Hybrid EX › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (HEV) (11 Of 11) › DTC U01B4-00: Lost Communication With Brake System Control Module › DTC Information › DTC Description

DTC Description

If IBU CAN message is not received, ECM sets DTC U01B400.

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