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Home >> Jeep >> 2005 >> Liberty 4WD L4-2.8L DSL Turbo VIN 5 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Technical Service Bulletins >> Recalls >> Recall - Torque Converter and Reprogram ECM/TCM >> Service Procedure >> D. Reprogram the ECM/TCM For 2006 MY Vehicles

D. Reprogram the ECM/TCM For 2006 MY Vehicles

NOTE:
This procedure must be performed with release 7.02 SP1 or later. To update your StarSCAN(R) diagnostic tool via the internet, the StarSCAN software must be at version 7.02 and properly configured to work with your dealership��s network. If the reprogramming flash for the ECM/TCM is aborted or interrupted, repeat the procedure.

1. Open the hood. Install a battery charger and verify that the charging rate provides 13.0 to 13.5 volts. If the battery charger is timer controlled, set the battery charger to continuous charge. Do not allow the charger to time out during the flash process.

NOTE:
Use an accurate stand alone voltmeter. The battery charger volt meter may not be sufficiently accurate. Voltages outside of the specified range will cause an unsuccessful flash. If voltage reading is too high, apply an electrical load by activating the headlamps and/or HVAC blower motor to lower the voltage.

2. Connect the CH9410 StarSCAN ethernet cable to the StarSCAN and the dealer's network drop.

3. Connect the CH9404 StarSCAN vehicle cable to the StarSCAN and the vehicle.

4. Place the Ignition in the "RUN" position, then Power "ON" the StarSCAN.

5. Retrieve the old ECM part number. With the StarSCAN on the "Home" screen, follow the procedure below:

a. Select "ECU View"

b. Touch the screen to highlight "PCM" in the list of modules.

c. Select "More Options".

d. Select "PCM Flash".

e. Record the "Part Number" displayed at the end of the "Resident flash file for" statement near the top of "Flash PCM" screen for later reference.

6. Download the flash file from the internet to the StarSCAN. With the StarSCAN on the "ECU Overview" screen, follow the procedure below:

a. Select "Browse for New File". Follow the on screen instructions.

b. If the newly downloaded flash file "Part Number" description is the same as the number recorded in Step 5e, then the PCM is up to date and continue to Step 10. If the part number is different, continue with Step 6c.

c. Highlight the listed calibration on the StarSCAN screen.

d. Select "Download to Scantool".

e. Select "Close" after the download is complete, then select "Back"

f. Highlight the listed calibration.

g. Select "Update Controller" and follow the on screen instructions.

h. When the update is completed, select "OK".

7. Disconnect the CH9404 StarSCAN vehicle cable from the vehicle. Wait until the StarSCAN screen reads "Vehicle Disconnected", then press "OK".

8. Reconnect the CH9404 StarSCAN vehicle cable to the vehicle.

9. Retrieve the PCM part number. With the StarSCAN on the "Home" screen, follow the procedure below:

a. Select "ECU View"

b. Touch the screen to highlight "PCM" in the list of modules.

c. Select "More Options".

d. Select "PCM Flash".

e. Verify the "Part Number" (displayed at the end of the "Resident flash file for" statement) has been updated to the new part number. If it has updated, then the flash has been completed successfully.

10. Retrieve the old TCM part number. With the StarSCAN on the "Home" screen, follow the procedure below:

a. Select "ECU View"

b. Touch the screen to highlight "TCM" in the list of modules.

c. Select "More Options".

d. Select "TCM Flash".

e. Record the "Part Number" displayed at the end of the "Resident flash file for" statement near the top of "Flash TCM" screen for later reference.

11. Download the flash file from the internet to the StarSCAN. With the StarSCAN on the "ECU Overview" screen, follow the procedure below:

a. Select "Browse for New File". Follow the on screen instructions.

b. If the newly downloaded flash file "Part Number" description is the same as the number recorded in Step 10(e), then the TCM is up to date and continue to Step 15. If the part number is different, continue with Step 11c.

c. Highlight the listed calibration on the StarSCAN screen.

d. Select "Download to Scantool".

e. Select "Close" after the download is complete, then select "Back"

f. Highlight the listed calibration.

g. Select "Update Controller" and follow the on screen instructions.

h. When the update is completed, select "OK".

12. Disconnect the CH9404 StarSCAN vehicle cable from the vehicle. Wait until the StarSCAN screen reads "Vehicle Disconnected", then press "OK".

13. Reconnect the CH9404 StarSCAN vehicle cable to the vehicle.

14. Retrieve the TCM part number. With the StarSCAN on the "Home" screen, follow the procedure below:

a. Select "ECU View"

b. Touch the screen to highlight "TCM" in the list of modules.

c. Select "More Options".

d. Select "TCM Flash".

e. Verify the "Part Number" (displayed at the end of the "Resident flash file for" statement) has been updated to the new part number. If it has updated, then the flash has been completed successfully.

15. Clear any Diagnostic Trouble Codes (DTCs) as follows:

a. From the "Home" screen select "System View".

b. Select "All DTCs".

c. Press "Clear All Stored DTCs" if there are any DTCs shown on the list.

NOTE:
Due to the PCM/TCM programming procedure, a Diagnostic Trouble Code (DTC) may be set in other modules (ABS, BCM, MIC, WCM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate.

16. Remove the battery charger and the StarSCAN unit from the vehicle.

17. Perform the TCM "Quicklearn" procedure as follows:

a. Select "Back".

b. Select "Misc Functions"

c. Select "Quicklearn".

d. Follow the screen prompts.

18. Install the Authorized Modifications label as follows:





a. Type or print (with a ballpoint pen) the recall number, dealer code and date on the Authorized Modifications Label (Figure 16).

b. Attach the label near the VECI label and then close the hood.



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