GROUP
AUTOMATIC
TRANSMISSION
DATE
JUNE 2019

Technical Service Bulletin
SUBJECT:

NUMBER
19-AT-014HG
MODEL(S)
G80 (DH)
G90 (HI)

AUTOMATIC TRANSMISSION HARSH AND/OR DELAYED SHIFT

Description: This bulletin provides a procedure to diagnose an 8-speed automatic transaxle with a
harsh and/or delayed shift.
Applicable Vehicles:

2017~18 G80 (DH)
2017~18 G90 (HI)

WARRANTY INFORMATION: Normal Warranty applies
SERVICE PROCEDURE:
1. Attach the GDS and check for Diagnostic Trouble Codes in both the “Engine” and “Automatic
Transaxle” menu. If DTCs are found, repair according to the appropriate TSB or shop manual.
2. Check the ATF level when the engine is idling in “N” according to TSB 19-AT-011. Adjust the
ATF level as needed using SPH-IV-RR ATF.
3. 



Attach the GDS.
From the home screen, select Flight Record. Select the VIN, A/T menu and SBC or SBW.
Select OK.
Select the following parameters and select Next.

Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair

SUBJECT:

4. 







ATM HARSH AND/OR DELAYED SHIFT

Select 10 minutes recording time and Manual Trigger. Insert the trigger and select VCI
Record. Select OK.
When the trigger shows steady green, select Close and begin the test drive.
Accelerate the vehicle in Manual Mode through gears 1-2-3-4-5-6-7-8. Hold each gear
3~4 seconds.
Press the trigger at the end of the test drive. The trigger will flash green for a few seconds
and then show steady green.
Remove the trigger.
To copy the data from the VCI to the tablet, go to the home screen and select Recorded
Data. Select the VIN and the GDS data file (GSR file). Select Data Copy.
Select Copy to SD card, give the file a name and select Save. The VCI will copy the data to
the SD card.

5. After the data has been recorded, you can review the data on the GDS Mobile.
 Open GDS. Select Recorded Data.
 Select the vehicle and the GSR file and select File Open.
 Select Graph. Move all PIDs in the Item List to the Selected Item List. Select OK.
 The recorded data will display. Select the arrow at the top right of the screen and press
the + on the Time scale to select 1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.
 View the Current Gear and select the shift to be measured. Select A and place the
cursor to the left of the related solenoid PID. Select B and place the cursor to the right of
the related solenoid PID. Read the elapsed time at the top of the screen.
6. To send a GDS file to the Techline Repository using GDS Mobile:
 From the GDS home page, select Internet.
 Logon to hyundaidealer.com. Enter dealer code, user ID and password.
 Select the down arrow next to SERVICE.
 Select Tech Info.
 Select Technical Training, select Techline and enter your information.
 Select Choose File. At the bottom of the screen, select Documents.
 Select SD Card, Android, Data, gitauto.GDSM, files, mcidata and Record.
 Select your vehicle, VIN and recorded file. Confirm the GSR file is displayed.
 Select Submit.
NOTE: For additional information, see instructions on Technical Training, Techline
Procedures and GDS/Repository File Upload (with or without SD card).

TSB #: 19-AT-014HG

Page 2 of 11
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ATM HARSH AND/OR DELAYED SHIFT

P-R SHIFT DIAGNOSIS
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the P-R shift. Select A and place the cursor to the left of
the 35R/C solenoid. Select B and place the cursor to the right of the 35R/C solenoid.



Read the 35R/C solenoid elapsed time at the top of the screen. If the P-R shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 3 of 11
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SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

N-D SHIFT DIAGNOSIS
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the N-D shift. Select A and place the cursor to the left of
the UD/C solenoid. Select B and place the cursor to the right of the UD/C solenoid.



Read the UD/C solenoid elapsed time at the top of the screen. If the N-D shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 4 of 11
SUBJECT:

SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

1-2 UPSHIFT DIAGNOSIS:
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the 1-2 shift. Select A and place the cursor to the left of
the 27/B solenoid. Select B and place the cursor to the right of the 27/B solenoid.



Read the 27/B solenoid elapsed time at the top of the screen. If the 1-2 shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 5 of 11
SUBJECT:

SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

2-3 UPSHIFT DIAGNOSIS:
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the 2-3 shift. Select A and place the cursor to the left of
the 35R/C solenoid. Select B and place the cursor to the right of the 35R/C solenoid.



Read the 35R/C solenoid elapsed time at the top of the screen. If the 2-3 shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 6 of 11
SUBJECT:

SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

3-4 UPSHIFT DIAGNOSIS
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the 3-4 shift. Select A and place the cursor to the left of
the 4&OD/C solenoid. Select B and place the cursor to the right of the 4&OD/C solenoid.



Read the 4&OD/C solenoid elapsed time at the top of the screen. If the 3-4 shift requires
more than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 7 of 11
SUBJECT:

SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

4-5 UPSHIFT DIAGNOSIS
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the 4-5 shift. Select A and place the cursor to the left of
the 35R/C solenoid. Select B and place the cursor to the right of the 35R/C solenoid.



Read the 35R/C solenoid elapsed time at the top of the screen. If the 1-2 shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 8 of 11
SUBJECT:

SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

5-6 UPSHIFT DIAGNOSIS:
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the 5-6 shift. Select A and place the cursor to the left of
the 6/C solenoid. Select B and place the cursor to the right of the 6/C solenoid.



Read the 6/C solenoid elapsed time at the top of the screen. If the 1-2 shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 9 of 11
SUBJECT:

SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

6-7 UPSHIFT DIAGNOSIS:
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the 6-7 shift. Select A and place the cursor to the left of
the 27/B solenoid. Select B and place the cursor to the right of the 27/B solenoid.



Read the 27/B solenoid elapsed time at the top of the screen. If the 1-2 shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 10 of 11
SUBJECT:

SUBJECT:

ATM HARSH AND/OR DELAYED SHIFT

7-8 UPSHIFT DIAGNOSIS:
To review the data on the GDS Mobile:
 Select the arrow at the top right of the screen and press the + on the time scale to select
1.0 sec/Div.
 Select the arrow at the top left. The screen will show cursor A and B.


View the Current Gear and select the 7-8 shift. Select A and place the cursor to the left of
the 8LR/B solenoid. Select B and place the cursor to the right of the 8LR/B solenoid.



Read the 8LR/B solenoid elapsed time at the top of the screen. If the 1-2 shift requires more
than 2.5 seconds, refer to TSB 16-AT-001-2, “Reset and Relearn Adaptive Values”:
 If the shift is less than 0.8 seconds, exchange a TCM from another vehicle and retest.
 If the shift time is more than 2.5 seconds, compare to a similar model and year vehicle.
Replace the transmission if the shift time is longer than a comparison vehicle.

TSB #: 19-AT-014HG

Page 11 of 11
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