2009/06/15 Caterpillar

New Software Is Now Used For Elevated Idle {1901, 1902, 1920}

Usage:

621G DBB

Wheel Tractor-Scraper: 621G (S/N: DBB1-UP) 623G (S/N: DBC1-UP) 627G (S/N: DBD1-UP) 631G (S/N: DFA1-UP) 637G (S/N: DFJ1-UP) 657G (S/N: W1B1-UP) 657G (S/N: W1C1-UP)

Description of Change: New software is now used. The new software provides an elevated idle speed for wheeled tractor-scrapers with engines that are cold. Elevated engine idle in cold ambient conditions improves the operation of the engine.

Show/hide table

Table 1
Flash Files for Wheel Tractor-Scrapers
Model	Software Part Number
620 Front	3286012.fls ⁽¹⁾
630 Front	3390927.fls
637 Rear	3390928.fls
657 Front	3272227.fls
657 Rear	3028858.fls

Show/hide table

^( 1 )

The extension ".fls" does not need to be used when you perform the search on SIS Web.

SIS Web Search for Software Down Load

Perform the following steps in order to find the software files that are needed.

Show/hide table




Illustration 1	g01933396

Open SIS Web. On the "Main Menu", click on "Service Software Files" (1). Refer to Illustration 1.

Show/hide table




Illustration 2	g01933398

After the "Service Software Files" dialog opens, click on "Flash Files-ECM Software Files". Refer to Illustration 2.

Show/hide table




Illustration 3	g01933400

After the "Flash Files-ECM Software Files" dialog opens, type the part number for the flash file in the "Flash File" field (3). Click "Search" (4). Refer to Illustration 3. The link (5) for the flash file will appear.

Click on the link (5) .

A "File Download" dialog will appear with the options to "Open", "Save", or "Cancel".

Click on "Save". Select the desired location for saving the file. The file can then be executed.

Adaptable To: The new software is adaptable to the serial numbers that are listed above. The new software is effective with the serial numbers that are listed in Table 2.

Show/hide table

Table 2
The New Software is Effective with the Following Serial Numbers:
Model	Effective Serial Number
621G	(S/N: DBB642-UP)
623G	(S/N: DBC506-UP)
627G	(S/N: DBD908-UP)
631G	(S/N: DFA356-UP)
637G	(S/N: DFJ351-UP)
657G	(S/N: W1B135-UP)
657G	(S/N: W1C281-UP)