New Software Is Now Used on Certain C27 and C32 Commercial Engines {1920} Caterpillar

Electric Power Generation

C27 PET GEN SET (S/N: R8W1-118)

Generator Set

C27 GEN SET (S/N: DWB1-3545; GDS1-1051)

C32 (S/N: XMJ1-104)

C32 GEN SET (S/N: K7C1-883; NRC1-489; SXC1-92019; JSJ1-3020; JAZ1-4190)

Industrial Engine

C27 INDUSTRIAL (S/N: TWM1-5516)

Petroleum Power Train Package

C27 KNOCKDOWN K (S/N: 1271-8)

C32 KNOCKDOWN K (S/N: 1321-25)

C32 PET GENSET (S/N: PEF1-151; PEK1-112)

Power Module

C32 POWER MODUL (S/N: MED1-196; KNM1-299)

Description Of Change: The new software was updated with the following changes:

• The coolant level status displays the same value for Cat Electronic Technician (ET) and the Messenger.

• The Messenger engine speed value returns to zero after engine is stopped.

• The throttle diagnostic 1690-8 broadcasts on the datalink and display on the Messenger.

Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

The new and former software is listed in Table 1.