Instruments - Trip Computer Display Errors

Model: Optima [MG]

Group: Body Electrical System(92)

Number: KT2009111701

Date: Tuesday, November 17, 2009

Area: N. America

Subject
PCM UPGRADE: Trip Computer Improvement (2.7L
engine) with Auto Transmission (GEN - 032)

- Description





This bulletin provides information related to the PCM software upgrade of 2009~2010 Model Year Optima (MG) equipped with 2.7L engines and automatic transmission produced prior to 8/31/2009, which may experience an average fuel consumption display error. Some customers may complain the average fuel consumption on the IP cluster does not work correctly.








To correct this condition, the PCM should be reprogrammed using the GDS download as described in this bulletin.





ROM ID TABLE:

- Verify the vehicle is affected, be sure to check the version of the vehicle's control unit ROM ID with reference to the ROM ID Information Table.

- Effective Vehicle Information

AFFECTED PRODUCTION RANGE:

2009~2010 Optima (MG) vehicles with 2.7L engine produced prior to 8/31/2009.

- Service Procedure





1. Connect the power supply cable to the GDS tool.





2. Connect the USB cable between the VCI and the GDS tool.

3. Connect the Main 16-pin DLC cable (GHDM - 241000) to the VCI.





4. Connect the Main 16-pin DLC cable (GHDM - 241000) to the OBD-II connector, located under the driver's side of the instrument panel.





5. With the ignition key ON, turn ON the VCI and GDS tool. Access the GDS vehicle identification number (VIN) screen and configure the vehicle using the VIN AUTO DETECT Function.





6. Once back at the GDS Main Screen, select ECM upgrade from the bottom right-hand corner. Next select Auto Mode, Engine.

Perform the ECM upgrade in accordance with normal GDS tool ECM upgrade procedures.





* MANUAL MODE ECM UPGRADE PASSWORDS:

* Do NOT perform Manual Mode ECU upgrade unless Auto Mode fails.

7. When the GDS tool reports that the ECM upgrade has been successfully completed, click OK, turn OFF the ignition key, and wait at least 10 seconds before attempting to start the engine.

8. Check for Diagnostic Trouble Codes using the GDS and erase any DTCs stored in the Engine and Transaxle control modules (EPS, ESC, TPMS).





WARRANTY CLAIM INFORMATION: