A/T Controls - Harsh Downshift When Stopping
TECHNICALBulletin No.: 09-07-30-010A
Date: July 17, 2009
Subject: Harsh Transmission Downshift When Stopping After Transaxle Has Upshifted to 4th or 5th Gear (Reprogram Powertrain Control Module (PCM))
Models:
2009 Pontiac Vibe
Equipped With 5-Speed Automatic Transmission - RPO MVD
Please Refer to GMVIS
Supercede:
This bulletin is being revised to update the Warranty Information. Please discard Corporate Bulletin Number 09-07-30-010 (Section 07 - Transmission/Transaxle).
Condition
Some customers may comment that they experienced a harsh downshift feeling when coming to a stop after the transmission has been in 4th or 5th gear.
Cause
This condition may be caused by the PCM calibration for the 2-1 downshift not being optimized.
Correction
Important
Before proceeding with the reprogramming procedure in this bulletin, the Vibe Programming Application MUST be downloaded and installed on the PC. Refer to Corporate Bulletin Number 09-06-04-006.
A revised calibration has been developed to address this condition.
Reprogram the PCM with the appropriate calibration as indicated in the Transmission Calibration Information table below.
The Tech 2(R) CAN be used to retrieve and display the Transmission Calibration ID that is in the vehicle.
The Tech 2(R) CANNOT be used to reprogram the PCM.
When using a multiple diagnostic interface (MDI) for reprogramming, ensure that it is updated with the latest software version.
When using a multiple diagnostic interface (MDI), verify that it is configured to the PC that will be used.
During programming, the battery voltage must be maintained within the proper range of 12-15 volts. Only use the approved Midtronics(R) PSC 550 Battery Maintainer (SPS Programming Support Tool EL-49642) or equivalent during programming.
1. Log on to TIS2WEB. In the upper right corner of the TIS2WEB homepage, click on the Help menu question mark icon "?".
2. The Help dialog screen will appear. In the left column of the Help screen, click on VIBE Programming Application and Calibrations.
3. In the left column of Help , select the calibration file pertaining to the appropriate Model Year, Vehicle, and Symptom as indicated in the condition described in this bulletin.
1. In the left column of the Help screen, click on the appropriate Download Calibration -.
2. In the right column of the Help screen, click on the File Name and Symptom Description that is highlighted in blue.
4. A File - Download box will appear. Select the Pontiac Vibe Folder and then click Save.
1. Double click on the Pontiac Vibe Folder.
2. Double click on the .zip file that pertains to this Bulletin.
3. A Win-Zip Dialog box will appear.
4. Highlight the .cuw file, then click Extract.
5. An Extract - C:\ Dialog box will appear.
6. Select the Pontiac Vibe Folder. Click Extract.
7. When the file is saved to the Pontiac Vibe Folder, close the WinZip Dialog box.
5. Double click on the CUW icon on the desktop to access the Vibe Programming application.
OR
Click the Start Icon.
6. Select Programs.
7. Select Vibe Programming Application.
8. Select Vibe Programming.
9. The Calibration Update Wizard Screen S701-02 box will appear.
1. Click File Open.
2. An insert disk box will appear. Click Cancel.
10. The Calibration Update Wizard Screen S701-12 box will appear.
1. Select Desktop in the Look in field.
2. Select the Pontiac Vibe folder and click Open.
3. The Look in field will change to Pontiac Vibe.
11. The Calibration Update Wizard Screen S701-06 box will appear (Connect to Vehicle).
1. At select MDI or J-2534 device Tool , select ETAS MDI in the drop down menu.
2. Click Next.
12. The Calibration Update Wizard Screen S701-08 box will appear (Establishing communication with the vehicle). The Device Explorer box will appear, listing all the available MDIs.
1. In the Device Explorer box, select the MDI that is configured to the PC and is connected to the vehicle.
2. Click Next.
13. The Calibration Update Wizard Screen S701-09 box will appear (Calibration Selection Confirmation).
1. Review all of the information in this box.
2. Click Next.
14. The Calibration Update Wizard Screen S701-47 box will appear (Verify Calibration ID Numbers).
1. Review all of the information in this box.
2. Click on the old calibration under the Target Cal ID column.
3. Click Next.
15. The Calibration Update Wizard Screen S701-14 box will appear (Vehicle Preparation).
1. Review all of the information in this box.
2. Turn OFF the ignition.
3. Click Next.
16. The Calibration Update Wizard Screen S701-15 box will appear (Prepare for Reprogramming).
1. Review all of the information in this box.
2. Turn ON the ignition with the engine OFF.
3. Click Start.
17. The Calibration Update Wizard Screen S701-17 box will appear (Flash Calibration Update in Process).
Wait for the update process to complete.
18. The Calibration Update Wizard Screen S701-22 box will appear (Flash Calibration Update Successful).
1. Review all of the information in this box.
2. Turn OFF the ignition.
3. Click Next.
19. The Calibration Update Wizard Screen S701-23 box will appear (Prepare for verifying vehicle).
1. Review all of the information in this box.
2. Turn ON the ignition with the engine OFF.
3. Click Next.
20. The Calibration Update Wizard Screen S701-25 box will appear (Establishing communication with the vehicle).
1. The Calibration Update Wizard will verify the calibration that is currently in the vehicle.
2. Wait for the process to complete.
21. The Calibration Update Wizard Screen S701-26 box will appear (Programming successful!).
1. Verify the calibrations from the Before Update and After Update columns.
2. Click Print or Finish to complete the programming event.
Transmission Calibration Information
Warranty Information
When reprogramming the Pontiac Vibe, a Warranty Claim Code will not be generated. Enter CUW00 in the Failure Code/OBDII field of the Warranty Claim.
For vehicles repaired under warranty, use the table above.
Disclaimer