A/T Controls - Forenza, Reno - Harsh 4-3 Shift/DTC/MIL

Section Title: Transmission
TSB No.: TS 02 08055

Division: Automotive
Category: Technical

SUBJECT:
HARSH 4TH TO 3RD AUTOMATIC TRANSMISSION DOWNSHIFT AND UNWANTED P1884 DTC

MODEL(S):
FORENZA SEDAN/WAGON, RENO (RQ420)

YEAR:
2004-2005

CONDITION:
- Harsh 4th to 3rd gear downshift.
- MIL ON, DTC P1884 stored in TCM history.

CAUSE:
Transmission Control Module (TCM) Software Logic

CORRECTION:
Reprogram the Automatic Transmission Control Module (TCM). Follow the reprogramming procedure described below





REQUIRED TOOLS AND SOFTWARE





WARRANTY CLAIM INFORMATION

Reprogramming Procedure:

1. Log onto the SCAT system and access the Suzuki Pitstop.

2. Download and review the Suzuki Pass-Thru Reprogramming Tool Operator's Manual. This must be read and understood COMPLETELY before attempting to reprogram the TCM.

3. 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" and the Suzuki Pass-Thru Reprogramming Data Base "4_DATABASE1.EXE" onto your PC. Follow the procedure in Section 3.2 of the Operator's Manual to update the Database files.

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.

4. 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 TCM reprogramming software.

5. When the TCM reprogramming is complete use the Tech 2 to perform the "AT Learned Initialize" under "Transmission-> Misc Test".








6. Fill out the Reprogram Label P/N 99963-01501-224 (the part number and version will be displayed at the "The reprogramming is successful" screen). Then affix the label to the back of the glove box door as pictured.





Disclaimer