Engine Controls - Multiple Cylinder Imbalance DTC's Set
GROUPFUEL SYSTEM
DATE
NOVEMBER 2012
MODEL
GENESIS COUPE (BK)
NUMBER
12-FL-009
SUBJECT
ECM UPDATE - MIL ON - CYLINDER CONTRIBUTION BALANCE
Description:
This bulletin provides information for an ECM software update of some 3.8L Genesis Coupe vehicles to revise the diagnostic logic of the following DTC:
- P0263 Cylinder 1 Contribution/Balance
- P0266 Cylinder 2 Contribution/Balance
- P0269 Cylinder 3 Contribution/Balance
- P0272 Cylinder 4 Contribution/Balance
- P0275 Cylinder 5 Contribution/Balance
- P0278 Cylinder 6 Contribution/Balance
Applicable Vehicles:
^ 2013 MY Genesis Coupe (BK) 3.8L GDI vehicles
GDS Information:
Warranty Information:
ROM ID INFORMATION TABLE:
Verify the ECM ROM ID before updating the vehicle's software. Refer to the table.
GENERAL PRECAUTIONS:
^ Connect the USB cable between the GDS and the VCI.
^ Connect the 16-pin DLC connector from the VCI into the DLC located under the drivers side dash.
NOTE
Make sure the battery icon at the bottom right of the ODS laptop shows at least 50%; if not, charge the GDS or attach a battery charger.
^ Turn off all lights (Do not leave the headlight switch in auto mode) and all accessories (including heater/air conditioner/fan, audio, heated seats, rear defroster, etc) to ensure the battery will not be discharged during the update.
^ Perform the update with the ignition key in the ON position.
^ Do not disconnect any cables connected to the vehicle or the GDS during the update. Do not start the engine or turn the ignition switch OFF during the update.
NOTE
Confirm your GDS has the most recent version. If not, connect the GDS to an Internet port, open the GDS home page and select "Update". Refer to instructions on hmaservice.com if necessary. If you encounter GDS related problems, call the GIT Helpline.
SERVICE PROCEDURE:
GDS AUTO MODE ECM UPDATE PROCEDURE
1. From the GDS home page, select ECU Upgrade. If necessary, select the VIN.
2. Select Engine as the system and then select OK.
3. Select Auto Mode and then select Next.
4. From the System tab, select Engine and then select OK The GDS will read the ROM ID. Confirm the ROM is applicable as shown "ROM ID Information".
5. Select update event as listed on the GDS Event list. Select Upgrade.
6. If the screen indicates "Voltage is OK" (voltage > 12volts), select OK. If not, select CANCEL and charge the vehicle battery by running the engine for 10 minutes.
7. Updating will occur until 100% is reached on the bar graph. At the prompt, turn the ignition key OFF for 10 seconds, then turn it ON and select OK.
8. The GDS will confirm that ECM reprogramming is successfully finished. Select OK.
9. If the ECM update was not successful, go to GDS MANUAL MODE ECM UPDATE PROCEDURE.
10. Check for DTC in all Systems and erase all DTC that stored due to loss of CAN communication during the ECM Update.
11. Turn OFF ignition for 10 seconds then turn ON before going to engine start.
12. Start the engine to confirm proper operation.
NOTE:
In event of AUTO MODE update failure:
^ You must attempt MANUAL MODE Use the ECM P/N from the vehicle's ECM label if it is not clear from the ROM ID Table as to the correct ECM P/N to use for your vehicle.
^ Replacing an ECM without carefully documenting that a MANUAL MODE update attempt was made, will result in claims charge back
GDS MANUAL MODE ECM UPDATE PROCEDURE
NOTE
^ GDS Manual Mode is intended for recovery of an ECM Update should it begin but then later fail in process in the Auto Mode.
^ The ECM connectors must be disconnected for 15 minutes to reset its contents then perform this Manual Mode Update.
^ Do not force Manual Mode if you get an error in Auto Mode that the vehicle's current ROM ID did not apply.
^ It is critical to identify the correct ECM Part Number in the PASSWORD table or the ECM may be permanently damaged. It is recommended to remove ECM and read the part number from the label to confirm.
1. From the GDS home page, select ECU Upgrade. If necessary, select the VIN.
2. Select Engine as the system and then select OK.
3. Select Manual Mode and then select Next.
4. From the System tab, select Engine and then select OK.
5. Select update event as per the GDS Event List, then select Upgrade.
6. Be certain to enter the exact appropriate password from the table and select OK See the important NOTE above.
7. The remaining steps are same as Steps 6~12 of the Auto Procedure.