Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
C2592
Aug 18, 2022
060000 ENGINE AND ENGINE COOLING
This campaign enables authorized repair locations to recalibrate the Engine Control Module on certain L9 MY2017-18 CM2350 engines in automotive applications to the latest revision. This calibration update provides improvements to Engine Out
TSB220174
Aug 16, 2022
110000 ELECTRICAL SYSTEM
This Technial Service Bulletin describes the user not being able to interact with the user interface or connect to the device locally. The Acumen RNDIS driver is not installed. Manually install the Acumen RNDIS driver by following the i
TSB220173
Aug 12, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes some engines that have high voltage DC/DC converters (1&2) were programme opposite of the Cummins Inc. part number label. Part number labels on the High Voltage DC/DC converters in the field can in
TSB220167
Aug 4, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of engine fault code 14279 associated with connectivity module diagnostics that are not functioning as intended with DC fast charging electric vehcile supply equipmen
TSB220164
Aug 3, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes generator sets assembled with electronically controlled engines (ECM) face 30 minutes increment on their running hours afterhaving their battery disconnected. Fault code 1117 (ECM Lost Power Warnin
TSB220159
Aug 1, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the aftertreatment engine control module (ECM) calibration code revision with DEF header calibration revision (See TechnicalService Bulletin, Fault Codes 3868, 457
T2484D
Jul 29, 2022
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice is being issued to address certain vehicles with DEF header sensor failures in which DEF header replacement parts are not available. Due to DEF header part shortages, an ECM calibration is being released that
TSB220149-072120
Jul 21, 2022
210000 TRAILER HITCHES
This Technical Service Bulletin describes the verification and resolution of loose or missing trailer bolts found on generator sets.
TSB150187-071820
Jul 18, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of metallic debris which was introduced onto injectors in certain engines during the engine assembly process. The metallic debris can cause a short circuit path with
TSB220139-071820
Jul 18, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of Fault Codes 3542 and 5882. Excessive seating velocity may cause excessive output gear wear within the intake air throttle. An engine control module (ECM) calibrat
TSB220133-070820
Jul 8, 2022
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of Faults codes, hard/no starts and low power caused by air getting trapped in the fuel system during fuel filter changes or other maintenance events. This is an upda
ATC2344D
Jul 5, 2022
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
TSB220069-070120
Jul 1, 2022
110000 ELECTRICAL SYSTEM
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. This is an update to a previously submitted communica
CMI-07072022-A
Jul 1, 2022
060000 ENGINE AND ENGINE COOLING
This is a representative communication informing OEMs of Engine Control Module failures on B6.7, L9, X12 and X15 engines. The failure was causing engines to fail to start, loss of datalink communication and the engine to stop running. Cum
TSB210152-070120
Jul 1, 2022
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of an active Fault Code 8155 due to connectivity module firmware update completion issues. This is an update to a previously submitted communication.
TSB210034
May 27, 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.
TSB210020
May 19, 2022
100000 POWER TRAIN
This Technical Service Bulletin describes the verification and resolution of Allison Transmission Fault P2637 caused by engine control module calibration. This is an update to a previously submitted communication.
C2573B
May 10, 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
TSB220076
May 3, 2022
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of fuel pump gear pump weep hole plugging caused by nuisance lubricating oil and fuel leaks.
TSB220089
May 2, 2022
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of an Over-the-air firmware change in vehicles with Prox II Connectivity Module that may cause false ?EVReady? light being illuminated without High Voltage enabled, a
CMI-04292022-B
Apr 29, 2022
060000 ENGINE (PWS)
This is a representative communication from the manufacturing plant to affected OEMs requesting an inspection of select engines that may have been assembled with the wrong flywheel. The engine plant pursued corrective action with affected O
CMI-04292022-A
Apr 29, 2022
060000 ENGINE (PWS)
This is a representative communication from the manufacturing plant to affected OEMs requesting an inspection of select engines for non-conforming crankshaft rear flanges. The engine plant pursued corrective action with affected OEMs at the
TSB220085-042620
Apr 26, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin explains options available for customers to maintain their aftertreatment dieselparticulate filter (DPF). This communication focuses specifically on ash cleaning since ash cleaning is typically associated wit
TSB220086-042620
Apr 26, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the modified troubleshooting for fault code 8156, due to internal issues found within the connectivity module can cause malfunctions with ECM communication.
C2111B
Apr 26, 2022
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISB CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria. For MY2013 thru MY2014 engines that qualify fo