Optima O2 Sensor ECM Upgrade (ENG016)

OPTIMA O2 SENSOR ECM UPGRADE

TECHNICAL SERVICE BULLETIN

SUBJECT:

Optima O2 Sensor ECM Upgrade 

This bulletin provides information relating to an Optima O2 Sensor ECM upgrade. Some 2003-2004MY Optima vehicles with 2.7L V6 engines may experience "Check Engine" light ON with the following zirconium oxygen sensors related Diagnostic Trouble Codes (DTC's) stored in the engine control module while accelerating and/or decelerating the vehicle at low speeds.

• DTC P0133 - HO2S Circuit Slow Response (Bank 1, Sensor 1)
• DTC P0153 - HO2S Circuit Slow Response (Bank 2, Sensor 1)

Use the procedures in this bulletin to reprogram the Hi-Scan Pro, Engine Control Module (ECM) software for 2003-2004MY Optima vehicles with 2.7L engines.

ECM SPECIFICATIONS:

Model	Affected ECM P/N	ECM ID
		Previous	New
2003 Optima 2.7L	39109 37106	E3N7SA1B E3N7SA1C	E3N7SA1Z
2004 Optima 2.7L	39109 37110	E4N7SA1A E4N7SA1B	E4N7SA1C

REPROGRAMMING PROCEDURE:

• Do not start the engine during reprogramming. 
• Do not turn the ignition key OFF during reprogramming. 
• When the reprogramming is completed, turn OFF the ignition key for 20 seconds before starting the engine. 

AUTOMATIC UPDATE PROCEDURE:

1. Attach the Data Link Connector (DLC) cable to the Hi-Scan Pro main body and tighten the two (2) bolts securely.
2. Remove any software cards from the Hi-Scan Pro and insert the new reprogramming card into the Hi-Scan Pro top slot. Use the most current reprogramming software.
   Fig 1: Identifying Hi-Scan Pro

   
3. Connect the Hi-Scan Pro to the vehicle OBDII connector under the dash on the driver's side of the vehicle.
   Fig 2: Identifying OBDII Connector Location

   
4. Turn the ignition to the ON position.
5. Turn the Hi-Scan Pro ON and press ENTER.
6. Select Option "18. MS 2.7 03/04MY Zr O2 SENSOR" and press ENTER.
   Fig 3: Selecting Option "18. MS 2.7 03/04MY Zr O2 SENSOR"

   
7. Select Option "01. MS 2.7 03/04MY Zr O2 SENSOR [AUTO]" and press ENTER.
   Fig 4: Selecting Option "01. MS 2.7 03/04MY Zr O2 SENSOR [AUTO]"

   
8. Enter "0525" as the password for the automatic update mode and press ENTER.
   Fig 5: Entering Password "0525"

   
9. The Hi-Scan Pro will reprogram the ECM automatically.
   Fig 6: Reprogramming In Progress Display

   
   NOTE: The current ECM ID will be replaced by the new ECM ID.
   If the Hi-Scan Pro does not download the program properly, use the manual update procedure following this section.
   WARNING: Do not interrupt the reprogramming at any time. The ECM may be rendered inoperative if the reprogram does not download completely.
10. When the "REPROGRAMMING COMPLETED" message is displayed, check the new ECM ID displayed on the Hi-Scan Pro screen to verify that the correct ECM software has been downloaded. Refer to the "ECM SPECIFICATIONS  " for the ECM ID listing. Turn the Hi-Scan Pro OFF and the process is complete.
    Fig 7: Reprogramming Completed Display

    
11. When the reprogramming is completed successfully, turn the ignition switch to the OFF position for 20 seconds. Start the engine and check for proper engine operation.
12. Check for DTC using the Hi-Scan Pro with system software card and erase any DTC.

MANUAL UPDATE PROCEDURE:

1. Turn the ignition to the ON position.
2. Turn the Hi-Scan Pro ON and press ENTER.
3. Select Option "18. MS 2.7 03/04MY Zr O2 SENSOR" and press ENTER.
   Fig 8: Selecting Option "18. MS 2.7 03/04MY Zr O2 SENSOR"

   
4. Select Option "02. MS 2.7 03/04MY Zr O2 SENSOR [ERROR]" and press ENTER.
   Fig 9: Selecting Option "02. MS 2.7 03/04MY Zr O2 SENSOR [ERROR]"

   
5. Choose the correct vehicle year for your vehicle.
   Fig 10: Choosing Vehicle Year

   
6. From the chart below, select and enter the correct password for the manual update mode, then press ENTER.
   PASSWORD CHART
   
   

   Menu	Password
   03MY - IMMO: 39109-37106	7106
   04MY - IMMO: 39109-37110	7110

   Fig 11: Entering Password From Chart

   
7. Wait until the reprogramming is completed. Hi-Scan Pro will reprogram the ECM manually.
   Fig 12: Reprogramming In Progress

   
   NOTE: The program will take approximately 7 minutes to download completely.
   The Hi-Scan Pro displays the new ECM ID on the screen.
   WARNING: Do not interrupt the reprogramming at any time. The ECM may be rendered inoperative if the reprogram does not download completely.
8. When the "REPROGRAMMING COMPLETED" message is displayed, check the new ECM ID displayed on the Hi-Scan Pro screen to verify that the correct ECM software has been downloaded. Refer to the ECM SPECIFICATIONS  for the ECM ID listing. Turn the Hi-Scan Pro OFF and the process is complete.
   Fig 13: Reprogramming Completed Display

   
9. When the reprogramming is completed successfully, turn the ignition switch to the OFF position for 20 seconds. Start the engine and check for proper engine operation.
10. Check for DTC using the Hi-Scan Pro with system software card and erase any DTC.

TROUBLESHOOTING:

1. "INVALID PASSWORD" enter the correct password for the automatic update mode again (0525).
2. "REPROGRAMMING ERROR PLEASE WAIT FOR RETRY" an error occurred during reprogramming, the Hi-Scan Pro will retry the reprogramming automatically.
3. "THIS ECM IS DIFFERENT TYPE" the ECM on this vehicle is not the type subject to this reprogramming procedure.
4. "ALREADY REPROGRAMMED" the reprogramming has previously been done on this vehicle.
5. "REPROGRAM ERROR PLEASE CHECK SYSTEM" in this case, you must reprogram manually by selecting menu Option "02. MS 2.7 03/04MY Zr O2 SENSOR [ERROR]".

AFFECTED PRODUCTION RANGE:

2003-2004MY Optima vehicles with 2.7L V6 engines production dates from 8/13/02-5/14/04.

WARRANTY CLAIM INFORMATION:

Claim Type	Causal P/N	Qty.	Cond. Code	Cause Code	Repair Description	Labor OP Code	Time	Related Parts	Qty.
W	2003MY 39109 37106	0	N69	C40	Optima O2 Sensor ECM Upgrade	39109F02	0.3	N/A	0
	2004MY 39109 37110