Kia Sorento: Data Connectivity Unit (DCU) Replacement - Over The Air (OTA) - Body Electrical SystemKia Sorento: Data Connectivity Unit (DCU) Replacement

Kia Sorento (MQ4, 2021-2026) Service Manual / Body Electrical System / Over The Air (OTA) / Data Connectivity Unit (DCU) Replacement

Replacement
Note
•
Back-up battery (BUB) embedded in the E-call system has a finite lifespan and it's charging/discharging performance may be diminished after an extensive use.
•
The back-up battery guarantees the operation of the E-call system when the vehicle battery cannot be used due to an accident. Be sure to inspect the back-up battery if the red LED turns on and replace it if necessary.
•
Refer to the owner's manual for the Back-Up Battery (BUB) replacement cycle.
•
If one or more DTCs for the eCall system are issued, check the eCall system (Unit, Button (Built in overhead console), Speaker, Antenna) by diagnostic tools.
1.
Remove the Data Connectivity Unit (DCU).
(Refer to Over The Air (OTA) - "Data Connectivity Unit (DCU)")
2.
If it is necessary to replace the back-up battery, remove the back-up battery cover (A).

Body Electrical System — Over The Air (OTA) / Data Connectivity Unit (DCU) / Replacement illustration

3.
Replace the back-up battery (A).

Body Electrical System — Over The Air (OTA) / Data Connectivity Unit (DCU) / Replacement illustration

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