Forenza L4-2.0L (2004)
Control Module: All Technical Service Bulletins
A/T Controls - Forenza - Harsh 2-1 Downshift
Section Title: Transmission
TSB No. TS 01 08055
Division: Automotive
Category: Technical
SUBJECT:
AUTOMATIC TRANSMISSION HARSH 2 TO 1 DOWNSHIFT
MODEL(S):
FORENZA (RQ420)
YEAR:
2004
CONDITION:
Drivability concern harsh shift from 2nd gear to 1st gear when slowing to a stop.
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 INF6RMATION
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.
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.