Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB170022-111620
Nov 16, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the release of a Steel Piston and Aluminum Piston Kit. The new steel piston replaces the original aluminum piston for select ISL G CM2180 models for improved piston durability. This is an update to
TSB200203-111320
Nov 13, 2020
072100 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
This Technical Service Bulletin describes the release of new electric fuel lift pumps. The new lift pumps (12V and 24V) provide a higher output pressure than the existing options. This is an update to a previously submitted communication
TSB130113-111120
Nov 11, 2020
061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
This Technical Service Bulletin describes the verification and resolution of Fault Code 4585 becoming active after a calibration of the engine's Engine Control Module (ECM). This is caused by the engine not having a compatible aftertreatme
TSB150120-111020
Nov 10, 2020
061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
This Technical Service Bulletin describes the verification and resolution of a complaint of engine will not start. When attempting to communicate with INSITE? electronic service tool, Error 5080 - Electronic Control Module (ECM) ROM Booted
TSB200218-110920
Nov 9, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of illegible ESN stamping on engine cylinder block.
ATC2344B
Nov 5, 2020
061540 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:OIL COOLER
This Account Team Coverage is being issued to address leaks from aluminum oil cooler, on certain ISL G CM2180 or L9N CM2380 L124B engines. This field action authorizes certified repair locations to replace the aluminum oil cooler with a sta
ATC2249A
Nov 5, 2020
060000 ENGINE (PWS)
This Temporary Repair Practice is being issued to address suspect camshaft damage on certain X15 CM2350 X114B or ISX15 CM2350 X101 engines. This TRP authorizes certified repair locations to replaced the Camshaft if confirmed failure of the
CMI-R7N6Z-12
Nov 5, 2020
060000 ENGINE (PWS)
This is a representative communication between the Cummins producing plant to affected OEMs and vehicle manufacturers regarding the potential issue of a noise emanating from the engine gear train in certain ISB6.7 engines. The engine plant
T2145E
Nov 3, 2020
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE: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
TSB170054-110220
Nov 2, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of fault codes caused by an aftertreatment diesel exhaust fluid (DEF) tank heater coolant control valve that is not closing completely.
CMI-S5T7S-11
Oct 22, 2020
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
These are representative communications from the Cummins producing plant to affected vehicle manfacturers regarding a potential valve spring issue on certain B6.7 engines. A supplier potential manufacturing defect may cause these valve spri
CMI-W8U7F-11
Oct 22, 2020
060000 ENGINE (PWS)
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with a software release that may cause a fault code to erroneously activate, at the OEM location, on certa
TSB200209-102120
Oct 21, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the release of new lead-free connecting rod bearings for some non-stop-start applications. The new bearing material offer more debris robustness.
TSB200210-102120
Oct 21, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of active fault codes on units equipped with Horton? fan controllers.
ATC2344A
Oct 15, 2020
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage is being issued to address leaks from aluminum oil cooler, on certain ISL G CM2180 or L9N CM2380 L124B engines. This field action authorizes certified repair locations to replace the aluminum oil cooler with a sta
T2341
Oct 13, 2020
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE: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
TSB170119-101220
Oct 12, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of a charging system alternator bracket malfunction: IC Bus CE Series. The malfunction is due to the use of a non-approved Dual Freon compressor sysstems installed by
TSB200177-101220
Oct 12, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of engine coolant leaking from the exhaust gas recirculation cooler coolant supply and return hoses, clamps, or interfaces.
TSB200203-101220
Oct 12, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the release of new electric fuel lift pumps. The new lift pumps (12V and 24V) provide a higher output pressure than the existing options.
TSB200182-100820
Oct 8, 2020
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of corrosion on fuel system components caused by water in the fuel system.
TSB200201-100520
Oct 5, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the release of new engine coolant vent and turbocharger coolant drain lines released that features a coolant vent path between the turbocharger actuator and engine coolant vent line.
TSB150171-092420
Sep 24, 2020
060000 ENGINE AND ENGINE COOLING
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
C2193A
Sep 24, 2020
060000 ENGINE AND ENGINE COOLING
This Emission Campaign is being issued to recalibrate the Engine Control Module (ECM) on certain ISX15 CM2350 X101 engines. The field action enables authorized repair locations to calibrate the engine control module (ECM) to the latest revi
C2190A
Sep 22, 2020
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
TSB200189-092120
Sep 21, 2020
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution to address failed Diesel Exhaust Fluid urea quality sensor fault codes. The resolution is more fully described within the OEM Technical Information Bulletin.