Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
T2143B
Apr 7, 2020
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Temporary Repair Practice is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 L101 engines. This TRP authorizes certified repair locations to replace the Variable Geometry Turbocharger Act
T2145C
Apr 7, 2020
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Temporary Repair Practice is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISB6.7 CM2350 engines. This TRP authorizes certified repair locations to replace the Variable Geometry Turbocharger Actuat
T2146B
Apr 7, 2020
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Temporary Repair Practice is being issued to address System Outlet NOx Sensor failures on certain ISB6.7 CM2350 engines. This TRP authorizes certified repair locations to replace the System Outlet NOx Sensor if fault codes or troublesh
C2112C
Apr 7, 2020
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISC and ISL CM2250 engines with an improved Selective Catalytic Reduction (SCR) Catalyst. Any SCR Part Number found in the Affected Part Number Column should be replac
C2114C
Apr 7, 2020
060000 ENGINE (PWS)
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
C2118B
Apr 7, 2020
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISB, ISC, and ISL CM2250 engines with an improved SCR Catalyst. This is an update to a previously submitted communication.
C2119A
Apr 7, 2020
060000 ENGINE (PWS)
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
C2136A
Apr 3, 2020
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Campaign is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 engines in Transit Bus applications. This document authorizes certified repair locations to replace the Variable Geometry Turbo
C2137A
Apr 3, 2020
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Campaign is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 engines in Transit Bus applications. This document authorizes certified repair locations to replace the Variable Geometry Turbo
TSB190058-033120
Mar 31, 2020
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
TSB200078-033120
Mar 31, 2020
042100 SERVICE BRAKES, AIR:SUPPLY:COMPRESSOR
This Technical Service Bulletin describes the verification and resolution of oil leaks from the air compressor air dryer due to mismatched air compressor settings to the application.
TSB200079-033120
Mar 31, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
This Technical Service Bulletin describes the verification and resolution of broken capscrews found on the heat exchanger main support bracket to engine cylinder block.
TSB200076-033020
Mar 30, 2020
118000 ELECTRICAL SYSTEM:SOFTWARE
This Technical Service Bulletin describes the verification and resolution of a software issue where the Cylinder Cut-out Test and Injector Performance Test (IPT) in INSITE? Electronic Service Tool does not work accurately and should not be
TSB200054-032720
Mar 27, 2020
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin announces that a new exhaust gas recirculation (EGR) temperature sensor connector back shell is available to improve robustness of the EGR temperature sensor connector and wiring and reduce occurrences of Fau
ATC2298
Mar 27, 2020
060000 ENGINE AND ENGINE COOLING
This ATC is being issued to address suspect Valve Rocker Assemblies on certain X15 CM2350 X114B or ISX15 CM2350 X101 engines. This field action provides authorization for certified repair locations to replace the Intake and Exhaust Valve R
C2128B
Mar 24, 2020
110000 ELECTRICAL SYSTEM
This is a cancellation notification of C2128. 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
TSB200068-032420
Mar 24, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of FC2989 becoming active during vehicle operation resulting in reduced engine power. If extended operation at speeds which result in maximum engine RPM are expected,
ATC2278B
Mar 24, 2020
110000 ELECTRICAL SYSTEM
This is the cancellation of ATC2278. 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, t
SS1034681
Mar 23, 2020
062100 ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
Service Solution for Lower Radiator Pipe Rubbing on X15 Cummins engine. Due to limited clearance, the lower radiator pipe may rub on the engine block and lower radiator hose may rub on the front engine support causing radiator coolant leaka
TSB200024-032320
Mar 23, 2020
092300 FUEL SYSTEM, OTHER:FUEL FILTER
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,
TSB200037-032020
Mar 20, 2020
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of occurances where the switched maximum vehicle speed parameter does not restore after engine control module recalibration with no warning from INSITE electronic ser
C2301
Mar 17, 2020
060000 ENGINE AND ENGINE COOLING
This campaign is being issued to replace the engine dataplate on certain X15 CM2450 engines. Replacement dataplates have updated idle speed values. This campaign authorizes certified repair locations to replace the dataplate.
TSB120309-031720
Mar 17, 2020
118000 ELECTRICAL SYSTEM:SOFTWARE
This Technical Service Bulletin describes the verification and resolution of fault code 3714, 3712, 6255, and 6254 active with no other active fault codes. Due to a software issue, Fault Code 3714, 3712, 6255, and 6254 may become active aft
C2299
Mar 14, 2020
060000 ENGINE AND ENGINE COOLING
This campaign is being issued to address suspect valve rocker assemblies on certain ISX15 CM2250 SN and ISX CM871 E engines. This field action provides authorization for certified repair locations to replace the intake and exhaust valve roc
C2133B
Mar 13, 2020
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISL CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria. For MY2013 thru MY2014 engines that qualify for