Monitor GDS Data

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
Engine "ON".	Connect GDS to "Data Link Connector (DLC)". Operate vehicle or system in accordance with enable condition in DTC detecting condition. Monitor selected parameters shown below in "Current Data" with GDS.	Fig.1

Courtesy of HYUNDAI MOTOR AMERICA

Fig.1) Hydraulic control solenoid for 1st to 8th stage operation.

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

Re-do the corresponding diagnostic guide.
If the problem continues, replace the DCT assembly then go to "TCU Neutralization" and "Air bleeding" of S/W management and perform the "Verification Of Vehicle Repair" procedure.