2014/08/29 New Software Is Available for Certain C7.1 Machine Engines {1901, 1902, 1920} Caterpillar


New Software Is Available for Certain C7.1 Machine Engines {1901, 1902, 1920}
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Excavator:
324E L (S/N: KTE1-193; TLF1-395)
324E LN (S/N: LDG1-529)
324E L (S/N: PNW1-1,176-1582)
324E (S/N: JCZ1-136)
329E LN (S/N: RLD1-622)
329E L (S/N: ZCD1-599,601-619,621-659; WJK1-155; TST1-684; PLW1-1717; RDX1-191)
329E (S/N: PTY1-118)
Mobile Hydraulic Power Unit:
329E MHPU (S/N: K2L1-152; KNR1-155)
Wheel Loader:
950K (S/N: R4A1-1535,2000-2859; J5M1-558,1000-1176; FER1-1,150-910,3756-3756)
962K (S/N: T6A1-453,1000-1061; FLL1-402; X4T1-482)

Description of Change: New engine software has been introduced. The new software has been introduced to prevent the following event code becoming active when no fault exists:

  • E1050-2 High Aftertreatment #1 Fuel Pressure #1 - moderate severity

Adaptable To:

Table 1
Current Part Number     Description     New Part Number     Description    
445-2643     Engine Ratings Electronic Software Gp     460-4651     Engine Ratings Electronic Software Gp    
445-9527     Engine Ratings Electronic Software Gp     460-6023     Engine Software    
438-7276     Engine Ratings Electronic Software Gp     464-7807     Engine Software    
438-7277     Engine Ratings Electronic Software Gp     464-7805     Engine Software    
448-8825     Engine Ratings Electronic Software Gp     464-7809     Engine Software    
448-8826     Engine Software     464-7806     Engine Software    
Install the new software before performing any troubleshooting. Refer to Table 1 for the current flash file part number and the new flash file part number. Refer to Troubleshooting, "Flash Programming" for information on installing the new software.

Information System:

D8R Track-Type Tractor Power Train Equalizer Bar - Install
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Sensor Supply - Test
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Speed Sensor - Test
826K Landfill Compactor, 825K Soil Compactor and 824K Wheel Dozer Engine Supplement Refrigerant Compressor - Remove and Install - Engine in Chassis
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Sensor Signal (PWM) - Test
D6N Track-Type Tractor Case Pressure (Steering Pump) - Check
950 GC Wheel Loader Engine Supplement Muffler - Remove and Install
D8T Track-Type Tractor Power Train Equalizer Bar - Remove and Install
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Sensor Signal (Analog, Passive) - Test
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Sensor Signal (Analog, Active) - Test
C280 Marine Engines Coolant Contains Fuel
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Operator Control Switch (Switch to Ground) - Test
994F/H Span Plate Rework Procedure{0679, 6102, 6132}
D3K2, D4K2 and D5K2 Track-Type Tractor Systems Location of Components (Winch System)
D6N Track-Type Tractor Relief Valve (Charge) - Test and Adjust
D5R2 and D6R2 Track-Type Tractors Fuel Tank Overfills (Fast Fill Fuel)
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Solenoid Valve - Test
D5R2 and D6R2 Track-Type Tractors Fuel Tank Underfills (Fast Fill Fuel)
2014/08/21 A New Pressure Switch is Now Available {3004, 3004, 3067, 3067}
525D, 535D, 545D and 555D Wheel Skidders Machine Systems Hydraulic Tank - Remove and Install
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Electronic Control Module (ECM) - Replace
D3K2, D4K2 and D5K2 Track-Type Tractors Systems Sensor Supply - Test
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Electrohydraulic System Calibration
2014/09/26 New Pad Assembly Now Available for Underground Articulated Trucks {7250}