Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
CMI-M5L9H-08
Aug 19, 2019
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement calirbation campaign, Selective Catalytic Reduction (SCR) campaign, and a Variable Geometry Turbo
CMI-P8H6M-08
Aug 19, 2019
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This is a representative Owner Letter to communicate an emissions recall. The enigne(s) are potentially eligible for an Emissions improvement calibration campaign and a Selective Catalytic Reduction (SCR) campaign.
CMI-Q3G3R-08
Aug 19, 2019
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement calirbation campaign, Selective Catalytic Reduction (SCR) campaign, and a Variable Geometry Turbo
CMI-R9F5P-08
Aug 19, 2019
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement calirbation campaign, Selective Catalytic Reduction (SCR) campaign, and a Variable Geometry Turbo
CMI-W9U4U-08
Aug 19, 2019
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This is a representative Owner Letter to communicate action C2116, a Selective Catalytic Reduction (SCR) component emissions campaign.
CMI-Y6F3C-08
Aug 19, 2019
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement calirbation campaign, Selective Catalytic Reduction (SCR) campaign, and a Variable Geometry Turbo
TSB190012-081620
Aug 16, 2019
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
This Technical Service Bulletin describes a new engine control module (ECM) calibration code available to prevent a pressure difference across the turbocharger during certain running conditions that can lead to turbocharge compressor seal l
TSB190143-081620
Aug 16, 2019
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of electrical shorts generated by metallic debris on the injector. A metallic sliver can be created when torquing the injector solenoid wires to the injector solenoid
TSB170124-081420
Aug 14, 2019
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution to incorrect fuel pump timing causing gear train noise that is most noticeable at or around 1500 rpm and worsens as load increases. This problem is not related to the
TSB190044-081420
Aug 14, 2019
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of intermittent connectivity issues observed when using a Windows 10 Version 1809 or Windows 10 Version 1903 (sometimes called 19H1) operating system while trying to
TSB130052-081220
Aug 12, 2019
350000 EQUIPMENT
This Technical Service Bulletin announces a new heavy duty tapered bearing fan support in place of the standard duty fan support. Certain applications have seen an increased number of standard fan support bearing failures. The heavy duty
TSB150099-080920
Aug 9, 2019
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Technical Service Bulletin announces the availability of Advanced Dynamic Efficient Powertrain Technology (ADEPT technology) on select Cummins engines. This is an update to a previously submitted communication.
CMI-E9Z8S-09
Aug 9, 2019
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This is a representative Owner Letter to communicate action C2114, a Selective Catalytic Reduction (SCR) component emissions campaign.
TSB190058-080820
Aug 8, 2019
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of an oil leak between the cylinder head and cylinder block on the intake side of the engine as caused by an excessive compression set of silicone oil grommets leadin
CMI-R3L8M-09
Aug 7, 2019
063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This is a representative Owner Letter to communicate action C2112, a Selective Catalytic Reduction (SCR) component emissions campaign.
CMI-E6L4T-09
Aug 5, 2019
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This is a representative Owner Letter to communicate action C2108, a Selective Catalytic Reduction (SCR) component emissions campaign.
ATC2196
Jul 30, 2019
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage is being issued to address suspect valve rocker assemblies on certain X15 CM2350 X114B/116B or ISX15 CM2350 X101 engines. This field action provides authorization for certified repair locations to replace the inta
ATC1943D
Jul 30, 2019
070000 FUEL SYSTEM, GASOLINE
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
TSB190133-072420
Jul 24, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of lubricating oil seepage from the crankcase breather tube at rocker lever cover attachment point caused by excess material on rocker lever cover interferring with t
TSB190129-072320
Jul 23, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the amount of boost pressure coming into the engine is not enough to sustain engine load and engine stalls while running at idle and engaging the hydraulic system.
C2117
Jul 19, 2019
110000 ELECTRICAL SYSTEM
This field action authorizes certified repair locations to upfit certain ISL CM2350 engines with an improved SCR Catalyst. For MY2013 thru MY2014 engines that qualify for a new SCR Catalyst, a new wiring harness connector plug and a calibra
C2116
Jul 19, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISC and ISL CM2250 engines with an improved SCR Catalyst.
TSB180047-071720
Jul 17, 2019
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution to discolored diesel exhaust fluid (DEF) dosing unit heater elements caused by chemical reactions between the aluminum housing and DEF, DEF dosing valve inlet screen
ATC2182B
Jul 16, 2019
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage is being issued to address lube pump gasket leaks in certain X12 CM2350 X119B engines, when it's confirmed the lube pump gasket has in fact failed, or leaks are present resulting from an insufficient seal. The cur
ATC2188
Jul 16, 2019
060000 ENGINE AND ENGINE COOLING
This In-Shop campaign addresses the DPF plugging concerns on certain X12 CM2350 X119B engines. These failures are being experienced in coach application units, with operating conditions similar to that seen in transit applications. The faul