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Home >> Hyundai >> 2002 >> Sonata LX V6-2.7L >> Repair and Diagnosis >> Powertrain Management >> Technical Service Bulletins >> By Symptom >> Customer Interest >> A/T - 2nd to 3rd Gear Shift Flare >> TCM Reprogramming Procedure

TCM Reprogramming Procedure

NOTE:
Verify that the vehicle is affected by identifying the vehicle production date and VIN.





1. Remove any software cards from the Hi- Scan Pro and insert reprogramming card into the Hi-Scan Pro top slot (Version 12-18-01).

2. Connect the reprogramming adapter to the Hi-Scan Pro.

3. For the 2.7L Sonata, connect the white 10 pin connector to the reprogramming adapter.

NOTE:
For the 2.4L Sonata, connect the red 10 pin connector to the reprogramming adapter.

4. Connect power to the Hi-Scan Pro from the cigarette power adapter.

5. Insert the power cable from the reprogramming adapter into the cigarette power adapter.

6. Connect the cigarette power adapter into the vehicle cigarette power socket.





7. Connect the white or red 10 pin connector to the connector next to the DLC (Data Link Connector) connector.

8. Turn the ignition to the ON position.

9. Turn the Hi-Scan Pro ON.





10. Select option "16. EF AT 2-3 & N-D, R SHIFT QUALITY" and press ENTER.





11. Select option "01. EF AT SHIFT QUALITY [AUTO]" and press ENTER.





12. Enter "1229" as the password for the automatic update mode and press ENTER.





13. The Hi-Scan Pro will establish communication.





14. The Hi-Scan Pro detects the current TCM ID, then displays it for about 1 second (for the 2.7L Sonata).





The Hi-Scan Pro detects the current ECM and TCM IDs, then displays them for about 1 second (for the 2.4L Sonata).





15. The Hi-Scan Pro will download the new ECM and TCM programs at the same time.

NOTE:
If the Hi-Scan Pro does not download the program, use the Manual Update Procedure following this section.

WARNING:
Do not interrupt the reprogramming at any time. The ECM and TCM may be rendered inoperative if the program does not download completely.





16. When the "REPROGRAMMING COMPLETED!" message is displayed, the TCM or ECM/TCM reprogramming process is complete.

NOTE:
Check the new TCM or ECM/TCM IDs displayed on the screen with the ECM/TCM specifications shown in this TSB to verify that the correct TCM or ECM/TCM program has been downloaded.





17. When the reprogramming is completed successfully, turn the ignition to the OFF position for 20 seconds and then start the engine for proper operation.
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