HOUSING 5M0598 - Caterpillar

Engine3512E (S/N: MR21-202; MR41-201; MR81-208)3516E (S/N: MD51-201; MR91-207; MRC1-236; MRN1-203)Description Of Change: The new software has the following updates:
J1939 communication and 4-20 mA throttle
Prevent DEF crystallization and clearing logged fault codes
DEF Quality CalibrationAdaptable 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 and 2.Note: The engine software and aftertreatment software files must both be updated at the same time. Failure to update both will result in false diagnostic codes.
Table 1
Engine Software
New Part Number Former Part Number
549-1915 461-7306
549-1916 461-7308
549-1917 521-0064
549-1918 522-0272
549-1919 521-0066
549-1920 539-6338
549-1921 539-6339
549-1922 539-6340
549-1923 539-6341
Table 2
Aftertreatment Software
Sales Model New Part Number Former Part Number
3512E 549-1924 525-1883
3516E 549-1925 542-5211 This change is effective for the PETU serial numbers S/N:PET000818J-UP.