Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUZUKI2005FORENZA L4-2.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTPROM - PROGRAMMABLE READ ONLY MEMORYTECHNICAL SERVICE BULLETINSRECALLSRECALL - ECM PROGRAMMING FOR OBDII ERROR
2005 Suzuki Forenza L4-2.0L
Recall - ECM Programming for OBDII Error
2005 Suzuki Forenza L4-2.0LSECTION Recall - ECM Programming for OBDII Error
Section Title: Engine
TSB No. TS 05 09135R
Division: Automotive
Category: Technical
SUBJECT:
CALIFORNIA ONLY EMISSION RECALL CAMPAIGN "KG"
MODEL(S):
FORENZA, FORENZA WAGON, RENO (RQ420)
YEAR:
2005
AFFECTED VIN(S):
FORENZA
KL5JD56Z_5K064718-KL5JD56Z_5K196836
KL5JJ56Z-5K064718-KL5JJ56Z-5K196836
FORENZA WAGON
KL5JD86Z_5K064718-KL5JD86Z_5K196836
KLSJJ86Z_5K064718-KL5JJ86Z_5K196836
RENO
KL5JD66Z_5K064718-KL5JD66Z_5K196836
KL5JJ66Z_5K064718-KL5JJ66Z_5K196836
CONDITION:
(1) The ECM software may cause the Malfunction Indicator Lamp (MIL) to fail to illuminate during certain types of malfunctions.
(2) This update will also correct an error that will cause certain OBD II information to read incorrectly on a generic scan tool.
CAUSE:
ECM software logic.
CORRECTION:
Suzuki is conducting an emissions recall (KG) to correct this condition by reprogramming the Engine Control Module (ECM) in vehicles sold or registered in California.
WARRANTY:
Please refer to the Campaign Bulletin SC-28 for claim submission instructions and labor times.
NOTE:
For vehicles not sold or registered in California please refer to Technical Bulletin, TS 04 09135

REQUIRED TOOLS AND SOFTWARE
Reprogramming Procedure:
1. Open the hood and check for the KG sticker on the radiator core support. If present do not perform the repair, it has already been done. If not present, continue to the next step.
2. Log onto the SCAT system and access the Suzuki Pitstop.
3. Download and review the Suzuki Pass-Thru Reprogramming Tool Operator's Manual. This must be read and understood COMPLETELY before attempting to reprogram the ECM.
4. Following the procedure outlined in the Suzuki Pass-Thru Reprogramming Tool Operator's Manual, download and install the Pass-Thru Reprogramming Software "3_SOFTWARE.EXE", (if it is not already installed).
5. Follow the procedure in Section 3.2 of the Operator's Manual to update the Database files. Download and unzip Suzuki Pass-Thru Reprogramming Data Base "4_DATABASE1.EXE" onto your PC. This step is only required to be done once to accommodate all vehicles covered under this TSB.
NOTE:
This Database "4_DATABASE1.EXE" has been updated with newer data for reprogramming without changing the file name. You are requested to download in order to update the database in your PC.

6. Following the procedures outlined in the Suzuki Pass-Thru Reprogramming Tool Operator's Manual, hook up the SDS Interface Tool P/N 09910-06520 to the vehicle and run the ECM reprogramming software. If the message "[4028] ECU already has the latest version" appears, click "OK" and continue to step 8. The glove box label should already be in the glove box.

7. Fill out the Reprogram Label P/N 99963-01501-224 (the part number and version will be displayed at the ~he reprogramming is successful screen). Then affix the label to the back of the glove box door as shown.
8. Affix the Red "KG sticker with the dealer number to the radiator core support as shown.

Disclaimer
TSB No. TS 05 09135R
Division: Automotive
Category: Technical
SUBJECT:
CALIFORNIA ONLY EMISSION RECALL CAMPAIGN "KG"
MODEL(S):
FORENZA, FORENZA WAGON, RENO (RQ420)
YEAR:
2005
AFFECTED VIN(S):
FORENZA
KL5JD56Z_5K064718-KL5JD56Z_5K196836
KL5JJ56Z-5K064718-KL5JJ56Z-5K196836
FORENZA WAGON
KL5JD86Z_5K064718-KL5JD86Z_5K196836
KLSJJ86Z_5K064718-KL5JJ86Z_5K196836
RENO
KL5JD66Z_5K064718-KL5JD66Z_5K196836
KL5JJ66Z_5K064718-KL5JJ66Z_5K196836
CONDITION:
(1) The ECM software may cause the Malfunction Indicator Lamp (MIL) to fail to illuminate during certain types of malfunctions.
(2) This update will also correct an error that will cause certain OBD II information to read incorrectly on a generic scan tool.
CAUSE:
ECM software logic.
CORRECTION:
Suzuki is conducting an emissions recall (KG) to correct this condition by reprogramming the Engine Control Module (ECM) in vehicles sold or registered in California.
WARRANTY:
Please refer to the Campaign Bulletin SC-28 for claim submission instructions and labor times.
NOTE:
For vehicles not sold or registered in California please refer to Technical Bulletin, TS 04 09135
REQUIRED TOOLS AND SOFTWARE
Reprogramming Procedure:
1. Open the hood and check for the KG sticker on the radiator core support. If present do not perform the repair, it has already been done. If not present, continue to the next step.
2. Log onto the SCAT system and access the Suzuki Pitstop.
3. Download and review the Suzuki Pass-Thru Reprogramming Tool Operator's Manual. This must be read and understood COMPLETELY before attempting to reprogram the ECM.
4. Following the procedure outlined in the Suzuki Pass-Thru Reprogramming Tool Operator's Manual, download and install the Pass-Thru Reprogramming Software "3_SOFTWARE.EXE", (if it is not already installed).
5. Follow the procedure in Section 3.2 of the Operator's Manual to update the Database files. Download and unzip Suzuki Pass-Thru Reprogramming Data Base "4_DATABASE1.EXE" onto your PC. This step is only required to be done once to accommodate all vehicles covered under this TSB.
NOTE:
This Database "4_DATABASE1.EXE" has been updated with newer data for reprogramming without changing the file name. You are requested to download in order to update the database in your PC.
6. Following the procedures outlined in the Suzuki Pass-Thru Reprogramming Tool Operator's Manual, hook up the SDS Interface Tool P/N 09910-06520 to the vehicle and run the ECM reprogramming software. If the message "[4028] ECU already has the latest version" appears, click "OK" and continue to step 8. The glove box label should already be in the glove box.
7. Fill out the Reprogram Label P/N 99963-01501-224 (the part number and version will be displayed at the ~he reprogramming is successful screen). Then affix the label to the back of the glove box door as shown.
8. Affix the Red "KG sticker with the dealer number to the radiator core support as shown.
Disclaimer
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.