Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
CMI-S9T5J-10
Oct 3, 2019
090000 FUEL SYSTEM, OTHER
This is a recall notice of a Cummins Filtration product containment request. It has been determined that the FS19947 and FS19947J may have a quality issue which could cause low fuel pressure and low power symptoms upon installation. The iss
TSB170022-093020
Sep 30, 2019
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
ATC2216
Sep 27, 2019
060000 ENGINE (PWS)
This Account Team Coverage is being issued to address potential System Out NOx sensor failures due to contamination and/or water impingement on certain B6.7 CM2350 B121B engines installed in Nova Bus applications. This field action authoriz
TSB170124-092720
Sep 27, 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
C2034A
Sep 24, 2019
060000 ENGINE (PWS)
This field action campaign authorizes certified repair locations to upfit certain ISX15 CM2250 engines rated at 455hp-500hp with an improved SCR Catalyst. This is an update to a previously submitted communication.
TSB190164-092320
Sep 23, 2019
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of low engine power output due to incorrect turbocharger wastegate actuator adjustment.
TSB190159-092020
Sep 23, 2019
060000 ENGINE (PWS)
This Technical Service Bulletin describes the symptoms of excessive drumming noise caused by the inability of the air plumbing system to dampen excessive sound waves and leading to excessive noise.
TSB190165-092020
Sep 20, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution to address soot deposits in the intake air connection exhaust gas entrance ports that affects Exhaust Gas Recirculation flow measurements.
C2225
Sep 13, 2019
060000 ENGINE (PWS)
This field action campaign is for certain L9 Engines installed in Navistar Truck applications that were built with the wrong dip stick. This may lead to incorrect oil level readings. This campaign is being released to allow end users and f
TSB190160-091020
Sep 10, 2019
100000 POWER TRAIN
This Technical Service Bulletin describes the verification and resolution of incompatibility between some engine flywheel or flywheel housings and the Eaton Endurant transmission. This incompatibility will preclude correction calibration o
TSB190154-090620
Sep 6, 2019
350000 EQUIPMENT
This Technical Service Bulletin addresses generator sets that are issuing Fault Code 427 when the generator set runs through the key on sequence. This sequence can occur while powering on or after a test run.This was found to be an error on
TSB180078-090320
Sep 3, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of Fault Code 36 Shutdowns on generators due to hot air recirculation. In certain situations, hot air coming from the ventilation exhaust can be recirculated into th
TSB170022-083020
Aug 30, 2019
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
TSB190114-082720
Aug 27, 2019
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution to the customer repeatedly experiencing plugged suction side fuel filter prior to required maintenance interval. New filter options offer adequate protection to the f
TSB190152-082120
Aug 21, 2019
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of the lubricating oil leaking from the pipe plug of the lubricating oil filter head due to a factory threaded milling process introducing an ovality to the lubricati
TSB190134-082120
Aug 21, 2019
350000 EQUIPMENT
This Technical Service Bulletin was released in response to MMDI filing Safety Campaign 19V-552 for the nut replacement on the trailer jack.
C2191
Aug 20, 2019
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).
ATC2211
Aug 20, 2019
060000 ENGINE (PWS)
This Account Team Coverage is being issued to address suspect Valve Rocker Assemblies on certain engines. This field action provides authorization for certified repair locations to replace the Intake and Exhaust Valve Rocker assemblies on e
TSB140026-082020
Aug 20, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin introduces new part numbers for exhaust manifold gaskets. The new gasket and exhaust manifold section reduces warping and improves sealing at high operating temperatures. This is an update to a previously su
CMI-L7L4A-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-A3B3P-08
Aug 19, 2019
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
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-A8R7P-08
Aug 19, 2019
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
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-E3T5W-08
Aug 19, 2019
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
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-H8P4Y-08
Aug 19, 2019
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
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-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.