Items should be reset after the battery has been discharged or the battery has been disconnected.
Kia Niro 2017 (DE HEV) Service Manual: Repair procedures
Removal
1.
Disconnect the battery negative cable.
2.
Turn the steering wheel so that the front wheels are facing straight
ahead.
3.
Remove the driver airbag module.
(Refer to Restraint - "Driver Airbag (DAB) ...
Kia Niro 2017 (DE HEV) Service Manual: Hybrid Control Unit (HCU) Schematic diagrams
HCU Terminal And Input/Output
Signal
Terminal Function
Connector [C133-S]
Pin No.
Description
Connected to
1
HCU ground
Chassis ground
2
HCU ground
...