Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
T2084D
Dec 13, 2019
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice authorizes certified repair locations to upfit certain ISB and ISL CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst. MY2013 thru MY2014 engines that qualify, a new wiring harness an
C2114B
Dec 13, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISB CM2250 engines with an improved Selective Catalytic Reduction (SCR) Catalyst. Any SCR Part Number found in the Affected Part Number Column should be replaced. This
C2115A
Dec 13, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISB CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria. For MY2013 thru MY2014 engines that qualify fo
C2053C
Dec 10, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISX12 CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst. For the MY2013 engines, a calibration update will be required. This is an update to
C2034B
Dec 10, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISX15 CM2250 engines rated at 455hp-500hp with an improved SCR Catalyst. This is a revision to a previously submitted communication.
T2035D
Dec 10, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISX15 CM2250 engines rated at 450hp or less with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria including at least one
ATC2217
Dec 10, 2019
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage addresses exhaust manifold gaskets leaks on certain ISB6.7 CM2350 B101 and B6.7 CM2350 B121B engines. This field action authorizes certified service locations to replace the gasket with an improved gasket and insp
T2037D
Dec 10, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISX15 CM2250 engines rated at 450hp or less with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria including at least one
C2052D
Dec 10, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISX15 CM2250 engines rated at 525hp-600hp and All ISX12 CM2250 engines (regardless of HP Rating) with an improved Selective Catalytic Reduction (SCR) Catalyst. This is
T2235A
Dec 10, 2019
100000 POWER TRAIN
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 Variable Geom
TSB190213-120920
Dec 9, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of engine front gear cover deformation and contact with the engine crackshaft pulley causing a lubricating oil leak.
T2233
Dec 6, 2019
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice provides for retroactive coverage of repairs, including customer billable repairs, completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically appl
T2234
Dec 6, 2019
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice provides for retroactive coverage of repairs, including customer billable repairs, completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically appl
TSB190215-120620
Dec 6, 2019
350000 EQUIPMENT
This Technical Service Bulletin describes the verification and resolution of potential misdiagnosis during troubshooting fault codes 5914, 5895, 5896, 5897, 5898, 5899, 5911, 6413, 6425, 6426, 6427, 6428, 6429, 6431. Potential misdiagnosis
TSB190210-120520
Dec 5, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of belt misalignment and belt jump or belt squealing due to the adjusting link mount to the refrigerant compressor support being out of alignment.
CMI-G4U7Q-01
Dec 4, 2019
060000 ENGINE AND ENGINE COOLING
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with incorrectly sized belts that were shipped to the OEMs. The engine plant pursued corrective action wi
T2239
Dec 4, 2019
060000 ENGINE AND ENGINE COOLING
This TRP 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 System Outlet NOx Sensor replacemen
C2220A
Dec 3, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to address potential concerns with coolant level sensors installed in certain ISB6.7 CM2350 B101, MY 2013 and 2014 engines. This In-Shop Campaign authorizes certified repair locations
TSB190208-120320
Dec 3, 2019
114000 ELECTRICAL SYSTEM:WIRING
This Technical Service Bulletin describes the verification and resolution of improper voltage sense wire placement which can cause an interference in the ground supply circuit for the entire powertrain wiring harness, which may result in in
T2237
Dec 3, 2019
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
This Temporary Repair Practice is being issued to address Turbocharger and/or System Outlet NOx Sensor failures on certain ISX12 CM2350 engines. This TRP authorizes certified repair locations to replace the Turbocharger and/or the System O
C2223A
Dec 3, 2019
060000 ENGINE AND ENGINE COOLING
This field action is being issued to address potential concerns with coolant level sensors installed in certain L9 CM2350 L123B and B6.7 CM2350 B121B MY17 and MY18 engines. This Campaign authorizes certified repair locations to replace the
TSB190209-120320
Dec 3, 2019
073100 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL
This Technical Service Bulletin describes the verification and resolution of the misdiagnosis of fuel rail pressure sensor fault codes or replacement of the entire engine wiring harness.
T2238
Dec 3, 2019
060000 ENGINE AND ENGINE COOLING
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
C2190
Dec 2, 2019
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 L101 engines in Fire Truck applications. This document authorizes certified repair locations to replace the Variable Geometry
TSB190198-120220
Dec 2, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of engine speed oscillation observed when water pumps and vacuum are in operation. Normal torque/speed governor and PTO tuning was changed to address the overshoot an