Component Inspection

WARNING: This page is about a different car, the 2022 Hyundai Santa Fe. However, it is still accessible from the selected car via links, so may be relevant.

Inspection Condition	Inspection Procedure	Reference
Ignition "ON".	Ignition "OFF". Ignition "ON". Connect GDS to "Data Link Connector (DLC)". Monitor "Diagnostic Trouble Codes (DTC)" with GDS. Clear any DTCs stored in the system with GDS. Operate the vehicle or system according to the diagnostic conditions of the failure condition. Re-check DTC in the system with GDS. Has the fault code been expressed?	-

Good

Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If the problem continues, replace the SCU, go to "Verification of Vehicle Repair" procedure.