2014/02/21 Caterpillar

New Software Is Used For Certain C280 Marine Engines {1902, 1920}

Usage:

C280-16 A4F

Engine: C280-16 (S/N: NKB300-UP; A4F100-UP)
Marine Engine: C280-12 (S/N: TSJ300-UP)

Description of Change: New software for certain C280 Marine Engines. The following updates are included into the new software:

Corrected overwritten rating number on backup ECM
Accurate fuel consumption parameter values
Air shutoff position switch only indicates status of air door
Turbocharger speed differential diagnostic only defaulted for engines with wastegate
Prelube satisfied condition is appropriately tied to SPN for "Engine oil priming state"
Wastegate only operated by the ECM control, which eliminates false codes for wastegate circuit
Corrected condition that gave RPM value with engine stopped

Adaptable To: Refer to Table 1 for the correct part number.

Show/hide table

Table 1
Serial Number Prefix	New Software Part Number	Old Software Part Number
A4F	449-9825	439-3709
TSJ	451-4706	426-1899
	451-4707	426-1900
	451-4710	426-1903
	451-4711	426-1904
	451-4715	426-1908
	451-4714	433-6664
NKB	451-4716	426-1909
	451-4717	426-1910
	451-4718	426-1911
	451-4708	435-1109
	451-4709	435-1110
	450-7515	423-3545
	451-4712	435-1111
	451-4713	435-1112

The change is effective at the factory with the engine serial numbers that are listed in Table 2.

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Table 2
Effective Serial Numbers
S/N:TSJ00302-UP
S/N:A4F00109-UP
S/N:NKB00331-UP

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