A/T - Cold 2nd - 3rd Gear Shift Flare

VOLUME
3

GROUP
Transmission/
Driveline

NUMBER
009

MODEL
Optima

DATE
June 2002

SUBJECT
Optima Automatic Transaxle 2-3 Shift Flare





This bulletin provides information related to change in 2002MY Optima automatic transaxle TCM logic to improve cold shift feel. Some 2002MY Optima models built before 2/19/02 production may exhibit shift flare or hunting at the 2-3 shift when transmission is cold. To reduce incidence of transaxle cold shift feel complaints, the TCM logic was revised from 2/19/02 production.

For 2002MY Optima complaint vehicles produced before 2/19/02, reprogramming software has been made available for the Hi-Scan Pro for use as a field fix.

Refer to the inspection and reprogramming procedures outlined in the following pages.

INSPECTION PROCEDURE:

1. Check the production date on the FMVSS door label to determine if the vehicle falls within the production range.

2. Use the Hi-Scan Pro to identify the TCM calibration in the vehicle by entering "OPTIMA", "2002MY", "AUTOMATIC TRANSAXLE", "AUTOTRANS 2700 or AUTOTRANS 2400 DOHC", "ECU ROM ID".

^ If the calibration identification is "2214F3" for V-6 or "8107F4" for 4 cylinder, then the vehicle has the latest calibration - DO NOT REPROGRAM.

^ If the calibration identification is "2214F1" for V-6 or "8107F2" for 4 cylinder, proceed to Reprogramming Procedure.

REPROGRAMMING PROCEDURE:





1. Connect the reprogramming adapter to the Hi-Scan Pro as shown.





2. Connect the Optima 10 pin check connector cable to the reprogramming adapter cable. Use gray cable labeled "TCU" for V-6 models and black cable labeled "ECU" for 4 cylinder models.





3. Remove the program card from the upper slot on the Hi-Scan Pro tool and insert the reprogramming card.





4. Connect the cigar lighter power adapter to the Hi-Scan Pro, then connect the reprogramming adapter power supply cable to the cigar lighter power adapter.





5. Connect the cigar lighter power adapter to the vehicle cigar lighter receptacle.

6. Connect the reprogramming adapter cable to the vehicle 10 pin check connector located under the dash next to the OBDII connector.

* NOTICE
Power supply interruptions will prevent proper reprogramming. Make sure connectors are securely and completely inserted.

7. Turn ignition key to "on".





8. Turn Hi-Scan Pro tool on, select "OPTIMA AT 2-3 SHIFT FLARE" from the main menu and press the "ENTER" key.





9. Select "OPTIMA AT 2-3 FLARE [AUTO MODE]", press the "ENTER" key.





10. At the prompt, enter your password "0525" and press the "ENTER" key. Reprogramming will proceed as shown.





11. After "REPROGRAMMING COMPLETED" message is received, turn ignition key to the "OFF" position and disconnect Hi-Scan Pro tool from the vehicle. Wait at least one minute before starting vehicle.

* NOTICE
If the reprogramming did NOT complete properly or was interrupted, repeat the process using the following procedure.





12. Select "OPTIMA AT 2-3 SHIFT FLARE" from the main menu and press the "ENTER" key.





13. Select "OPTIMA AT 2-3 FLARE [ERROR MODE]", press the "ENTER" key.





14. Select "OPTIMA 2.4D" for 4 cylinder or "OPTIMA 2.7D -TCS" for V-6, press the "ENTER" key.





15. At the prompt enter your password "8370" for 4 cylinder or "9190" for V-6 and press the "ENTER" key. Reprogramming will proceed as shown.





16. After "REPROGRAMMING COMPLETED" message is received, turn ignition key to the "OFF" position and disconnect Hi-Scan Pro tool from the vehicle. Wait at least one minute before starting vehicle.

* NOTICE
Adaptive memory will be reset during reprogramming, symptoms may still appear when vehicle is first driven cold.

AFFECTED PRODUCTION RANGE:

2002MY Optima 2.4L and 2.7L produced before 2/19/02.





WARRANTY CLAIM INFORMATION: