suzuki Workshop Repair Guides

Suzuki Workshop Service and Repair Manuals

A/T Controls - Forenza, Reno - Harsh 4-3 Shift/DTC/MIL|Page 1959 > < A/T Controls - Forenza - Harsh 2-1 Downshift|Page 1954
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Control Module: Customer Interest
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.

A/T Controls - Forenza, Reno - Harsh 4-3 Shift/DTC/MIL|Page 1959 > < A/T Controls - Forenza - Harsh 2-1 Downshift|Page 1954