Operation CHARM: Car repair manuals for everyone.

A/T, Engine Controls - ECM/TCM Update For Several Issues

Group: AUTOMATIC TRANSMISSION

Number: 11-AT-003

Date: FEBRUARY 2011

Model: 2009~10 SONATA (NF) 2.4L

Subject
AUTOMATIC TRANSAXLE
ECM & TCM UPDATE

THIS BULLETIN SUPERSEDES TSB 10-AT-007-1 TO INCLUDE THE FOLLOWING
CAUTIONS:

CAUTION:
You must update both the ECM and TCM.

CAUTION:
You must reset the adaptive learning using GDS, A/T menu, "Option Treatment" and "Resetting Auto TIA Values" according to TSB 10-AT-011.

DESCRIPTION:

This bulletin provides a procedure to update the ECM and 1CM software to the most recent versions to improve:

^ Acceleration from a stop or below 15 mph

^ Shift quality when decelerating to a stop when the ATF is cold

APPLICABLE VEHICLES:

Model: 2009 and 2010 Sonata 2.4L (NFA) vehicles with automatic transaxles

Production date range: 12/17/2007~10/5/2009

ROM ID INFORMATION TABLE:

Verify the version of the ECM and 1CM ROM ID before updating the ECM/TCM





2009 MODEL YEAR:





2010 MODEL YEAR:

NOTE:
If the ECM/TCM have been updated, you don't need to update them again.

INTERNET UPDATE OF GDS SOFTWARE VERSION:

Confirm your GDS has the most recent version. If not, connect the GDS to an internet port, open the GDS home page and select "Internet Update". See the instructions on hmaservice.com, if necessary.





GDS SYSTEM AND UPDATE PRECAUTIONS:

CAUTION:
Please ensure the following items before performing the ECM update:

^ Make sure the vehicle's battery voltage is above 12 volts.

^ The USB cable must be used for ECM Update between the GDS and VCI. The procedure will not work in VCI wireless mode.

^ Make sure the GDS laptop battery indicator in the lower right tray icons has 50% or more charge. If not, charge the laptop battery with the AC adaptor cable.

^ Turn off the headlamps and all accessories (including heater, NC, blower, radio, seat warmer, defroster, etc.) to prevent battery discharge during the update.

^ Perform update with the ignition switch in the ON position.

^ Do not start the engine or turn off the ignition switch during the update.

1-1. GDS AUTO MODE ECM UPDATE PROCEDURE

1. From the GDS home page screen, select ECU Upgrade. If necessary, select the VIN manually.

2. Select ENGINE as the system and select OK.

3. Select Auto Mode and select Next.

4. From the System tab, select ENGINE and select OK. The GDS will read the ROM ID. Confirm the ROM is applicable as shown on Page 1, "ROM ID Information".





5. Select upgrade Event 184 O9IIOMY NFA FL2.4 Shift Feeling Improvement - ECM or any later (higher) event number that shows in the GDS list. Select Upgrade.

6. If the screen indicates "Voltage is OK", select OK. If not, select CANCEL and charge the vehicle battery.

7. Updating will occur until 100% is reached on the bar graph. At the screen prompt, turn the ignition key OFF for 10 seconds and then turn it ON and then select OK.

8. The GDS will confirm that ECU reprogramming is successfully finished. Select OK and go to 2.1. GDS AUTO MODE TCM UPDATE PROCEDURE.

NOTE:
If the ECM update was not successful, go to 1.2, GDS MANUAL MODE ECM UPDATE PROCEDURE.

1-2. GDS MANUAL MODE ECM UPDATE PROCEDURE:

^ The manual update should be performed only when the automatic update fails.

^ If the manual ECM update fails, disconnect the ECM connectors for 10 minutes and retry the manual update.

1. From the GDS home screen, select ECU Upgrade. If necessary, select the VIN manually.

2. Select Manual mode and select Next.

3. From the System tab, select Engine and select Next.

4. Select update Event 184 O9IIOMY NFA FL2.4 Shift Feeling Improvement - ECM or any later (higher) event number that shows in the GDS list. Select Next.

5. Select the appropriate ECM part number with reference to the ROM ID and select Upgrade. If in doubt, remove the PCM and read the part number.





6. Enter the password for manual update as shown below and select OK.

CAUTION:
Be sure to select a NON-IMMOBILIZER part number.

7. If the screen indicates "Voltage is OK", select OK. If not, select CANCEL and charge the vehicle battery.

8. The remaining steps are identical to Steps 7~8 of the Auto Mode procedure.

9. Go to 2-1 GDS AUTO MODE TCM UPDATE PROCEDURE and update the 1CM.

2-1. GDS AUTO MODE TCM UPDATE PROCEDURE

1. From the GDS home page, select ECU Upgrade. If necessary, select the VIN.

2. Select AT as the system and then select OK.

3. Select Auto Mode and then select Next.

4. From the System tab, select AT and then select OK. The GDS will read the ROM ID. Confirm the ROM is applicable as shown on Page 1, "ROM ID Information".





5. Select update event 185 O9IIOMY NFA FL2.4 Shift Feeling Improvement - TCM or any later (higher) event number that shows in the GDS list. Select Upgrade.

6. If the screen indicates "Voltage is OK", select OK. If not, select CANCEL and charge the vehicle battery.

7. Updating will occur until 100% is reached on the bar graph. At the prompt, turn the ignition key OFF for 10 seconds, then turn it ON and select OK.

8. The GDS will confirm that 1CM reprogramming is successfully finished. Select OK.

NOTE:
If the TCM update was not successful, go to 2.2. GDS MANUAL MODE TCM UPDATE PROCEDURE.

9. Check for any Diagnostic Trouble Codes in the ESC menu and erase any DTC.

10. From the home screen, select Vehicle, AT menu and Option Treatment. Select Resetting Auto TIA. Follow the prompts on the screen.

NOTE:
This step is necessary to ensure a smooth shift.

11. Start the engine to confirm proper operation.

2-2. GDS MANUAL MODE TCM UPDATE PROCEDURE:

CAUTION:

^ The manual update should be performed only when the automatic update fails.

^ If the manual TCM update fails, disconnect the ECM connectors for 10 minutes and retry the manual update.

1. From the GDS home screen, select ECU Upgrade.

2. Select Manual Mode and then select Next.

3. Select AT and then select Next.

4. Select upgrade Event 185 O9IIOMY NFA FL2.4 Shift Feeling Improvement - TCM or any later (higher) event number that shows in the GDS list. Select Next.

5. The ROM ID will display. Select Upgrade.





6. Enter the appropriate password shown below and select OK.

7. If the results indicate "Voltage is OK", select OK. If not, select CANCEL and charge the vehicle battery.

8. The remaining steps are identical to Steps 7~8 of the Auto Mode procedure.

9. Check for any Diagnostic Trouble Codes (DTCs) and erase the DTC (5) present.

10. From the home screen, select Vehicle, AT menu and Option Treatment. Select Resetting Auto TIA Values. Follow the prompts on the screen.





WARRANTY INFORMATION: