2004/07/05 Caterpillar

Articulated Truck:

725 (S/N: AFX1-UP)

730 (S/N: AGF1-UP)

735 (S/N: AWR1-UP)

740 (S/N: AXM1-UP)

740 EJECTOR (S/N: AZZ1-UP)

Asphalt Paver:

AP-655C (S/N: CDG1-UP)

BG-2255C (S/N: CKR1-UP)

Excavator:

M313C (S/N: BDR1-UP)

M315C (S/N: BDM1-UP)

M316C (S/N: BDX1-UP)

M318C (S/N: BEB1-UP; BCZ1-UP)

M322C (S/N: BDK1-UP; BDY1-UP)

Off-Highway Truck/Tractor:

797 (S/N: 5YW1-UP)

797B (S/N: JSM1-UP)

Wheel Tractor-Scraper:

621G (S/N: CEN1-UP; ALP1-UP)

623G (S/N: CES1-UP; ARW1-UP)

627G (S/N: AXF1-UP; CEX1-UP)

631G (S/N: AWK1-UP; CLR1-UP; AXZ1-UP)

637G (S/N: CEH1-UP; AXT1-UP)

Description of Change: A test ECM is now available. The test ECM will improve troubleshooting. The test ECM is not available through the Caterpillar Parts System. The test ECM must be ordered directly from E&ES Commercial Electronic Systems.

Adaptable To: There is a test ECM now available for troubleshooting assistance with 161-2355 Unprogrammed Electronic Control Module .

The following software wash file is needed in order to reuse the new test ECM. Test ECM wash file 247-7599. The wash file is available through SIS Web in the Flashfile index. To encourage the use of the test ECM, the price is significantly lower than typical retail prices.

To place an order you can call 309-578-TEST or FAX, 309-578-4572. All faxes need to be created on Cat Dealership letterhead. Make the FAX out to E&ES Commercial Electronic Systems Attn: Test ECM.

Specify Test ECM Type:

• Hydraulic ECM (161-XXXX)

• Quantity

• Shipping name and address

• Purchase order number

• Billing address

• Dealer code

• Phone number contact