Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
C2110B
Apr 22, 2022
060000 ENGINE (PWS)
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 fo
TSB220072-042120
Apr 21, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of lubricating oil leaks due to a broken crankcase breather tube.
TSB210034-042020
Apr 20, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of an audible fuel knock noise during the first 160 km [ 100 miles ] is a result of incomplete fueling adaption learning and is not an indication of a malfunction. Th
C2546B
Apr 14, 2022
060000 ENGINE (PWS)
This Campaign is being launched to install a new fuel heater on certain B6.7 engines. This commercial action is to enable fuel heating capability on engines where no fuel heater has been installed. This is an update to a previously submitte
C2547B
Apr 14, 2022
060000 ENGINE (PWS)
This Campaign is being launched to install a new fuel heater on certain B6.7 engines. This commercial action is to enable fuel heating capability on engines where no fuel heater has been installed. This is an update to a previously submitte
TSB220069-041120
Apr 11, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of Fault code 6742 caused by connectivity module not providing GPS antennna data for ADEPT to operate correctly.
CMI-04082022-C
Apr 8, 2022
060000 ENGINE (PWS)
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement campaign.
CMI-04082022-D
Apr 8, 2022
060000 ENGINE (PWS)
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement campaign.
TSB220041-040420
Apr 4, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of incorrectly assembled coolant level sensors that may not function correctly.
CMI-03292022-A
Mar 29, 2022
060000 ENGINE AND ENGINE COOLING
This is a representative communication from the manufacturing plant to customers regarding a missing filter gasket kits. Customer are instructed to either return the filter to Cummins or order the gasket kits separately.
TSB220062
Mar 23, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of an issue with the matal enclosure of the high voltage DC battery charge receptacle port. The port enclosure may have been manufactured with the wrong thickness.
TSB210183
Mar 21, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of FC 5655 due to the aftertreament system test failing Nox sensors on low hour aftertreatment systems. The system test fails the sensor rationality and directs the
C2546A
Mar 17, 2022
060000 ENGINE (PWS)
This Campaign is being launched to install a new fuel heater on certain B6.7 engines. This commercial action is to enable fuel heating capability on engines where no fuel heater has been installed. This is an update to a previously submitte
C2547A
Mar 17, 2022
060000 ENGINE (PWS)
This Campaign is being launched to install a new fuel heater on certain B6.7 engines. This commercial action is to enable fuel heating capability on engines where no fuel heater has been installed. This is an update to a previously submitte
TSB220050
Mar 10, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of an issue where a high temperature battery warning can be incorrectly displayed on the OEM instrument cluster.
ATC2413A
Mar 10, 2022
060000 ENGINE (PWS)
This Account Team Coverage is being issued to address Diesel Particulate Filter plugging concerns on certain X12 CM2350 X119B engines. The ATC enables authorized repair locations to calibrate the engine control module (ECM) to the latest re
C2573
Mar 8, 2022
110000 ELECTRICAL SYSTEM
This campaign is issued to address Connectivity Module (5661267) with incorrect firmware that was left disconnected by the OEM on certain BES CM2450 EV101B units. This field action authorizescertified service locations to replace the Connec
TSB220043
Mar 7, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of an issue with the aftertreatment diesel exhaust fluid (DEF) controller is causing line heater fault codes to come active after installation in cold climates.
C2566
Mar 3, 2022
060000 ENGINE (PWS)
This Campaign is being issued to update the TMS Inverter Calibration on certain BES CM0904 EV104B units currently in the field. This Campaign authorizes certified technicians to update theTMS Inverter to the latest calibration.
TSB140017
Mar 3, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of a lubricating oil leak and high crankcase pressure fault codes on engines with an internal crankcase breather filter. The engines are experiencing crankcase breath
TSB220005
Mar 2, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of false occurances of multiple engine fault codes associated with an Engine Control Module code issue.
TSB210101
Feb 16, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of INSITE? electronic service tool error message when trying to enter injector bar/trim code. This is due to incorrect 10-digit bar/trim codes being used instead of t
TSB220031
Feb 10, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of a loose connection between the micro fuse and the fuse seat for the coolant pump circuit, which may cause the coolant pump to not function properly.
TSB220027
Feb 9, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of difficulty shifting gears, rapid deceleration, or feeling of engine brakes stuck on while operating the vehicle due to an ECM calibration code issue.
Atc2499
Feb 8, 2022
060000 ENGINE (PWS)
This Account Team Coverage enables authorized repair locations to replace the Aftertreatment Intake NOx Sensor on certain X15 CM2350 units prior to failure if all of the listed eligibility criteria are met.