A/T Controls - Delayed Shifts/Poor 2-3/3-4 Shifts
Group: TRANSAXLENumber: 05-40-010
Date: JULY, 2005
Model: 2004 SANTA FE
Subject
2004 SANTA FE 2.4/2.7L TCM REPROGRAMMING
INSTRUCTIONS FOR IMPROVED UPSHIFTS AND DRIVE
AND REVERSE ENGAGEMENT
This TSB supersedes TSB # 04-40-018 to update TCM part number information.
DESCRIPTION:
This bulletin provides a procedure to reprogram the TCM (Transaxle Control Module) software in 2004 model year Santa Fe vehicles with 2.4L and 2.7L engines using the Hi-Scan Pro.
The improved TCM reprogramming affects the following:
^ Delayed shift feeling when shifting into Reverse
^ Delayed shift feeling when shifting from Reverse to Drive
^ 2-3 and 3-4 shift quality improvement
VEHICLES AFFECTED:
^ Model: 2004 Santa Fe vehicles with 2.4/2.7L engines and automatic transaxles.
^ Affected vehicle production date range: Produced from September 2003 through August 12, 2004.
^ Affected VIN range: Produced from KM8SC13D14U596313 through KM8SC73D84U855076.
TCM SPECIFICATIONS:
TCM REPROGRAMMING PROCEDURE
CAUTIONS BEFORE REPROGRAMMING:
1. Conduct reprogramming with the ignition key in the ON position.
2. Be careful not to disconnect any cables connected to the vehicle or Hi-Scan Pro during reprogramming.
WARNING:
If reprogramming is interrupted, the manual update procedure must be used.
3. Do not start the engine during reprogramming.
4. Do not turn the ignition key OFF during reprogramming.
5. When the reprogramming is completed, turn OFF the ignition key for 20 seconds before starting the engine.
TCM REPROGRAMMING:
NOTE:
Verify that the vehicle is affected by identifying the vehicle production date and VIN.
AUTOMATIC UPDATE PROCEDURE:
1. Remove any software cards from the Hi-Scan Pro and insert reprogramming card into the Hi-Scan Pro top slot.
2. Connect the reprogramming adapter to the Hi-Scan Pro.
3. Connect the 10 pin connector to the reprogramming adapter.
NOTE:
10 pin connector color:
^ 2.4L: Red
^ 2.7L: White
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 10 pin connector to the white reprogramming connector at the crash pad lower next to the DLC connector.
8. Turn the ignition to the ON position.
9. Turn the Hi-Scan Pro ON and press ENTER.Scroll down to "50. SM 2.4/2.7 DRIVING FEEL IMPROVEMENT" and press ENTER.
10. Select option "01. SM 2.4/2.7 DRIVING FEEL [AUTO]" and press ENTER.
11. Enter "1229" as the password for automatic update and press ENTER.
12. The Hi-Scan Pro will establish communication.
13. The Hi-Scan Pro detects the current TCM ID, then displays it for about 1 second.
14. The boot program will download first, next the main program and the interrupt vector program.
NOTE:
If the Hi-Scan Pro does not download the program after trying several times, use the Manual Update procedure following this section.
WARNING:
Do not interrupt the reprogramming at any time. The TCM may be rendered inoperative if the program does not download completely.
15. When the "REPROGRAMMING COMPLETED!" message is displayed, the TCM reprogramming process is finished.
Press ENTER and turn off the ignition for 20 seconds.
16. Start the engine to check for proper operation.
17. Check for diagnostic trouble codes using the Hi-Scan Pro with system software card.
Erase all trouble codes.
MANUAL UPDATE PROCEDURE:
NOTE:
In the event that "01. SM 2.4/2.7 DRIVING FEEL [AUTO]" fails to download the new TCM program, option "02. SM 2.4/2.7 DRIVING FEEL [ERROR]" must be used.
Confirm all connections are established as shown in the "AUTOMATIC UPDATE PROCEDURE" before continuing.
1. Turn the ignition to the ON position.
2. Turn the Hi-Scan Pro ON and press ENTER.
3. Scroll down to "50. SM 2.4/2.7 DRIVING FEEL IMPROVEMENT" and press ENTER.
4. Select option "02. SM 2.4/2.7 DRIVING FEEL [ERROR]" and press ENTER.
5. Choose the vehicle type which is correct for your vehicle.
6. Select and enter the password for the manual update mode which is correct for the vehicle specification by referring to the chart. Then press ENTER.
WARNING:
Be sure to input the correct password. If an incorrect password is selected, the correct program will not be downloaded.
7. The Hi-Scan Pro will establish communication.
NOTE:
Once the password is entered and accepted, the rest of process is exactly the same as the automatic update procedure.
8. The Hi-Scan Pro will reprogram the TCM.
WARNING:
Do not interrupt the reprogramming at any time. The TCM may be rendered inoperative if the program does not download completely.
9. The Hi-Scan Pro checks the TCM ID to confirm reprogramming is complete. Press ENTER and turn off the ignition for 20 seconds.
10. Start the engine to check for proper operation.
11. Check for diagnostic trouble codes using the Hi-Scan Pro with system software card. Erase all trouble codes.
EXPLANATION OF ERROR MESSAGE:
1. "INVALID PASSWORD": Please enter the exact password again.
2. "REPROGRAMMING ERROR, PLEASE WAIT FOR RETRY": An error occurred during reprogramming, the Hi-Scan Pro will retry reprogramming automatically.
3. "ALREADY REPROGRAMMED" or "INCORRECT TARGET ID": This reprogramming has previously been done on this vehicle or the ECM/TCM is not the type subject to this reprogramming procedure.
4. "REPROGRAMMING ERROR, PLEASE CHECK THE SYSTEM": In this case, you must reprogram manually after selecting the menu option "02. SM 2.4/2.7 DRIVING FEEL [ERROR]".
WARRANTY INFORMATION: