Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
T1609A
Dec 11, 2015
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE COVERS THE FLEET COUNT TO CHANGE THE ECM BASE CODE AS A RESULT OF TSB130099 AFTER T1603 HAS BEEN COMPLETED. THIS IS AN UPDATE TO A PREVOUSLY SUBMITTED COMMUNICATION.
C1634C
Dec 4, 2015
060000 ENGINE (PWS)
THIS CAMPAIGN IS BEING ISSUED TO ADDRESS TURBOCHARGER ACTUATOR FAILURES IN CERTAIN ENGINES IN TRANSIT BUS APPLICATIONS. THIS CAMPAIGN AUTHORIZES THE RECALIBRATION OF THE TURBOCHARGER ACTUATOR. THIS IS A REVISION TO A PREVIOUSLY RELEASED C
C1728
Dec 4, 2015
060000 ENGINE (PWS)
THIS CAMPAIGN IS BEING ISSUED TO ADDRESS CERTAIN ISX11.9 CM2250/CM2350 REAR PTOS (REPTO) THAT WERE MIS-ASSEMBLED AT THE PLANT.
TSB140008-111215
Dec 2, 2015
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN INTRODUCES A NEW VERTICAL PLATE EXHAUST GAS RECIRCULATION (EGR) COOLER. THIS IS AN UPDATE TO A PREVIOUSLY SUBMITTED COMMUNICATION.
C1694A
Dec 1, 2015
060000 ENGINE (PWS)
THIS CAMPAIGN AUTHORIZES CERTIFIED REPAIR LOCATIONS TO RE-CALIBRATE THE ECM ON ISL CM2350 ENGINES IN TRANSIT BUS APPLICATIONS. THIS IS A REVISION TO A PREVOUSLY SUBMITTED COMMUNICATION.
TSB150184-112315
Nov 30, 2015
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES A NEW SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEM DIAGNOSTIC TEST IN THE INSITE ELECTRONIC SERVICE TOOL.
CMI-V9F4Q-11
Nov 24, 2015
060000 ENGINE (PWS)
THIS IS A REPRESENTATIVE COMMUNICATION SENT FROM THE CUMMINS ENGINE ASSEMBLY PLANT TO AN OEM VEHICLE ASSEMBLY PLANT REGARDING A POTENTIAL ISSUE WITH TURBOCHARGER COMPRESSOR HOUSINGS ON CERTAIN ENGINES.
T1288A
Nov 24, 2015
061110 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
THIS TEMPORARY REPAIR PRACTICE IS FOR CERTAIN ISB 6.7 CM2250 ENGINES IN SCHOOL BUS APPLICATIONS BUILT WITH OPTION CF9235. IT IMPROVES THE BELT LENGTH FOR BETTER FRONT END ACCESSORY DRIVE SYSTEM PERFORMANCE.
TSB150177-110315
Nov 24, 2015
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN INTRODUCES THE RELEASE OF A NEW COOLANT LEVEL SENSOR. CERTAIN ENGINES IN TRANSIT BUS APPLICATIONS ARE EXPERIENCING PIN CORROSION AS THE RESULT OF POOR CEALING PERFORMANCE OF THE ORIGINAL EQUIPMENT MANUFACTUR
TSB150182-111915
Nov 23, 2015
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN ANNOUNCES A NEW TURBOCHARGER SPEED SENSOR FITTED WITH A HEAT REFLECTIVE WRAP TO PROTECT THE MATERIAL SURROUNDING THE SENSOR ELECTRONICS TO ADDRESS MELTING FOUND ON CERTAIN HEAVY HYBRID VEHICLES WHEN OPERATING
TSB150178-110315
Nov 20, 2015
073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
THIS TECHNICAL SERVICE BULLETIN INTRODUCES A NEW BRACKETED NUMBER ONE INJECTOR SUPPLY LINE IN ORDER TO REDUCE STRAIN FRACTURE MALFUNCTIONS.
TSB150040-032315
Nov 17, 2015
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESRIBES THE TROUBLESHOOTING AND REPAIR STEPS TO CORRECT BELT TENSIONER LOCATING PIN MALFUNCTIONS AND BELT SHREDDING ON CERTAIN ISB ENGINES IN THOMAS PUSHER SCHOOL BUSSES. ORIGINAL EQUIPMENT MANUFACTURER (OE
C1721
Nov 10, 2015
073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
THIS CAMPAIGN IS BEING ISSUED TO ADDRESS THE LOW ASSEMBLY TORQUE OF ONE OF THE COOLANT LINES FOR THE AFTERTREATMENT FUEL INJECTOR ON THE ISX15 CM2350 ENGINES. THIS CAMPAIGN AUTHORIZES THE RETORQUE OF THE AFTERTREATMENT FUEL INJECTOR COOLAN
T1697A
Nov 10, 2015
060000 ENGINE (PWS)
THIS TRP IS BEING ISSUED TO RECALIBRATE THE VARIABLE GEOMETRY TURBOCHARGER (VGT) ACTUATOR OF CERTAIN ISX15 CM2350 ENGINES. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE VGT ACTUATOR ANYTIME THE UNIT IS IN FOR M
T1706A
Nov 10, 2015
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE IS BEING ISSUED TO AUTHORIZE THE REPLACEMENT OF THE LUBRICATING OIL FILTER BYPASS VALVE ON CERTAIN ISX12 AND ISX15 ENGINES ANYTIME THE UNIT IS IN FOR MAINTENANCE OR REPAIRS, WITH CERTAIN RESTRICTIONS ON REIMBU
TSB140019-101915
Nov 9, 2015
072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
THIS DOCUMENT, IN CONJUNCTION WITH THE INFORMATION PROVIDED WITHIN THE MANUALS LISTED IN TABLE 1 PROVIDES INSPECTION AND REPAIR GUIDELINES FOLLOWING THE MALFUNCTION OF AN XPI FUEL PUMP PUMPING PLUNGER AND/OR ROLLER TAPPET ASSEMBLY. THE LEV
T1651B
Nov 6, 2015
060000 ENGINE (PWS)
THIS TRP IS BEING ISSUED TO RECALIBRATE THE ENGINE CONTROL MODULE (ECM) OF CERTAIN ISX15 CM2350 ENGINES. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE ECM ANYTIME THE UNIT IS IN FOR MAINTENANCE OR REPAIRS, WITH
T1701A
Nov 3, 2015
090000 FUEL SYSTEM, OTHER
THIS TEMPORARY REPAIR PRACTICE IS BEING ISSUED TO INSTALL ISOLATORS ON FUEL LINES #1 AND #6 ON ISL CM2350 ENGINES. THIS IS A RE-ISSUE OF A PREVIOUSLY RELEASED COMMUNICATION.
TSB150089-110315
Nov 3, 2015
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN INTRODUCES A REVISED BACKFLOW CONNECTOR FOR THE BOSCH AFTERTREATMENT DEF (DIESEL EXHAUST FLUID) DOSING UNIT. IN SOME CASES, THE AFTERTREATMENT DEF DOSING LINES ARE NOT BEING FULLY PURGED DURING THE PURGE CYC
TSB150171-102615
Oct 28, 2015
350000 EQUIPMENT
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE PROPER TROUBLESHOOTING STEPS TO DIAGNOSE LUBRICATING OIL FOUND AROUND THE TURBOCHARGER SECTION GEAR AND THE VARIABLE GEOMETRY TURBUCHARGER ACTUATOR GEAR. THIS IS A NORMAL AND DOES NOT INDICATE
TSB150165-101515
Oct 27, 2015
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFCATION AND RESOLUTION OF STARTER MOTOR MALFUNCTIONS IN CERTAIN ENGINES IN INTERNATIONAL DURASTAR TRUCKS, WORKSTAR TRUCKS, AND IC BUSES.
TSB150171
Oct 26, 2015
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
During troubleshooting on engines with high mount turbochargers with top mount turbocharger actuators, lubricating oil has been found around the turbocharger sector gear and the variable geometry turbocharger actuator gear. This is normal a
TSB140008-101315
Oct 21, 2015
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
THIS TECHNICAL SERVICE BULLETIN INTRODUCES A NEW VERTICAL PLATE EXHAUST GAS RECIRCULATION (EGR) COOLER. THIS IS AN UPDATE TO A PREVIOUSLY SUBMITTED COMMUNICATION.
T1651A
Oct 20, 2015
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE IS BEING ISSUED TO RECALIBRATE THE ENGINE CONTROL MODULE (ECM) OF CERTAIN ISX15 CM2350 ENGINES. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE ECM ANYTIME THE UNIT IS IN FOR MAINTE
TSB150156
Oct 20, 2015
060000 ENGINE AND ENGINE COOLING
2.0 GTDI/2.3L - Front wheel drive - Bibration and/or grinding/banging/clicking noise