Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
T2172B
Feb 28, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to June 30, 2017. This action specifically applies to Exhaust Gas Recirculation Valve repla
T2162B
Feb 28, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations. This action specifically applies to Exhaust Gas Recirculation Cooler replacements as result of C
TSB200040-022620
Feb 26, 2020
072200 FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
This Technical Service Bulletin describes the verification and resolution of a crank but not start or hard start condition. The liquid propane (LP) hoses carrying LP to and from the regulator can crack and deteriorate over time due to age a
T2161B
Feb 25, 2020
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to June 30, 2017. This action specifically applies to Exhaust Gas Recirculation Cooler repl
T2160B
Feb 25, 2020
060000 ENGINE (PWS)
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically applies to Engine Outlet
T2148B
Feb 25, 2020
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically applies to Diesel Exhaus
T2147B
Feb 25, 2020
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically applies to Turbocharger
TSB200038-022420
Feb 24, 2020
072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
This Technical Service Bulletin describes the verification and resolution of customers is experiencing unusual noise characteristics from the lubricating oil pump. A buzzing noise from the front of the lubricating oil pan is usually present
C2119
Feb 21, 2020
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This field action authorizes certified repair locations to upfit certain ISB CM2350 engines with an improved SCR Catalyst and to update the Engine Control Module (ECM) to the latest calibration revision. For MY2013 thru MY2014 engines that
C2191D
Feb 21, 2020
060000 ENGINE (PWS)
This field action authorizes certified repair locations to recalibrate the Engine Control Module (ECM) on certain B6.7 CM2350 engines with a product improvement calibration for improved reliability of the Cummins Engine(s). This is an updat
TSB200034-021920
Feb 19, 2020
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This Technical Service Bulletin describes the verification and resolution of Diesel Exhaust Fluid Doser overheating due to hot engine air around the Dosing units. This issue is specific to one OEM's specific chassis and the resolution is b
TSB190225-021920
Feb 19, 2020
112000 ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
This Technical Service Bulletin describes the verification and resolution to an issue that arises when a C100D2RE generator set is attempted to parallel with a C150, C200 or C275 generator set. When this occurs the B+ on the two units shor
T2085C
Feb 18, 2020
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 455hp or higher with an improved Selective Catalytic Reduction (SCR) Catalyst. For the MY2013 engines, a calibration update will be
ATC2296
Feb 18, 2020
060000 ENGINE (PWS)
This Account Team Coverage is being issued to address leaks from aluminum oil cooler, part number 5397914, on certain ISL G CM2180 or L9N CM2380 L124B engines. This field action authorizes certified repair locations to replace the aluminum
CMI-B9N9E-03
Feb 16, 2020
060000 ENGINE (PWS)
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with incorrect capscrew torques on certain Exhaust Gas Recirculation Valves and NOx Sensor assemblies. The
TSB200022-011220
Feb 12, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of a stuck intake air throttle due to the formation of ice in cold ambient conditions. This condition may cause actual position to not meet commanded in cold ambient
C2128A
Feb 11, 2020
060000 ENGINE (PWS)
Certain B6.7 CM2350 B121B engines were shipped without a fuel heater; a plug was installed in place of a fuel heater. This Campaign authorizes certified repair locations to install a fuel heater in place of the plug, change the fuel heater
ATC2278A
Feb 11, 2020
081200 FUEL SYSTEM, DIESEL: PRE-HEATER
This Account Team Coverage field action authorizes certified repair locations to change the fuel heater wiring harness polarity by switching wiring terminal locations within the fuel heater connector, to install a new fuel heater, and to r
TSB200024-021020
Feb 10, 2020
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Technical Service Bulletin describes the verification and resolution of early life turbocharger failures after a new service turbocharger has been installed, the vehicle is moved outside and put into a DPF regeneration state. During,
TSB180152-020520
Feb 5, 2020
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of relay one causing intermittent communication issue to the HMI display. The temporary fix is to jump the relay and block off the port. This is an update to a previo
ATC1980D
Feb 4, 2020
072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
This Account Team Coverage is being issued to upgrade certain ISX15 CM2350 High Pressure Fuel Pump Tappets. This field action provides authorization for certified repair locations to replace the brass roller pin tappets in the high pressure
TSB190135-022620
Feb 2, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of fault code 36- "generator set stopped without fault condition" and/or crank but no start, B+ to the fuel pump is not present. Elevated temperatures within the gene
C1941F
Jan 31, 2020
110000 ELECTRICAL SYSTEM
This field action authorizes certified repair locations to recalibrate the ECM and upfit the unit with an improved SCR Catalyst on certain ISL9 CM2350 L101 engines installed in Transit Bus Applications. New SCRs delete the NH3 Sensor and mo
TSB110181-012720
Jan 27, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuum
TSB190225-012420
Jan 24, 2020
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution to an issue that arises when a C100D2RE generator set is attempted to parallel with a C150, C200 or C275 generator set. When this occurs the B+ on the two units shor