Manufacturer Communications

Vehicles / Cummins
Bulletin Number Vehicle Make Vehicle Model Model Year Summary
TSB200210-102120 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of active fault codes on units equipped with Horton? fan controllers.<br />
TSB200209-102120 CUMMINS L9 9999 This Technical Service Bulletin describes the release of new lead-free connecting rod bearings for some non-stop-start applications. The new bearing m
TSB200203-101220 CUMMINS ISL9 9999 This Technical Service Bulletin describes the release of new electric fuel lift pumps. The new lift pumps (12V and 24V) provide a higher output pressu
TSB200201-100520 CUMMINS L9 9999 This Technical Service Bulletin describes the release of new engine coolant vent and turbocharger coolant drain lines released that features a coolant
TSB200182-100820 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of corrosion on fuel system components caused by water in the fuel system.<b
TSB200177-101220 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of engine coolant leaking from the exhaust gas recirculation cooler coolant
TSB170119-101220 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of a charging system alternator bracket malfunction: IC Bus CE Series. The m
T2341 CUMMINS ISL9 9999 This Temporary Repair Practice is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 L101 engines. This T
CMI-W8U7F-11 CUMMINS X15 9999 This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with a software
CMI-S5T7S-11 CUMMINS B6.7 9999 These are representative communications from the Cummins producing plant to affected vehicle manfacturers regarding a potential valve spring issue on
ATC2344A CUMMINS L9N 9999 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
TSB200222-111720 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of Predictive Cruise Control (PCC) SPN520225/FMI 19 Fault immediately follow
TSB200219-112420 CUMMINS X15 9999 This Technical Service Bulletin describes the release of new thermal recirculation valve designed to improve air recirculation, reduced fuel gelling,
TSB200218-110920 CUMMINS L9N 9999 This Technical Service Bulletin describes the verification and resolution of illegible ESN stamping on engine cylinder block.<br />
TSB200203-111320 CUMMINS ISL 9 9999 This Technical Service Bulletin describes the release of new electric fuel lift pumps. The new lift pumps (12V and 24V) provide a higher output pressu
TSB170054-110220 CUMMINS ISX15 9999 This Technical Service Bulletin describes the verification and resolution of fault codes caused by an aftertreatment diesel exhaust fluid (DEF) tank h
TSB170022-111620 CUMMINS ISL G 9999 This Technical Service Bulletin describes the release of a Steel Piston and Aluminum Piston Kit. The new steel piston replaces the original aluminum
TSB150120-111020 CUMMINS ISX12 G 9999 This Technical Service Bulletin describes the verification and resolution of a complaint of engine will not start. When attempting to communicate with
TSB130113-111120 CUMMINS ISX12 9999 This Technical Service Bulletin describes the verification and resolution of Fault Code 4585 becoming active after a calibration of the engine's Engin
T2387 CUMMINS ISB6.7 9999 This Temporary Repair Practice is being issued to provide supporting coverage for progressive damage on certain B Series engines due to valve spring f
T2259 CUMMINS ISX15 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2258 CUMMINS ISX15 9999 This Temporary Repair Practice is being issued to address Turbocharger and/or VGT Actuator failures on certain ISX15 CM2350 engines. This TRP authoriz
T2257 CUMMINS ISX15 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2256 CUMMINS ISX15 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior
T2255 CUMMINS ISX15 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2254 CUMMINS ISX15 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2145E CUMMINS ISB6.7 9999 This Temporary Repair Practice is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISB6.7 CM2350 engines. This TRP
CMI-R7N6Z-12 CUMMINS ISB6.7 9999 This is a representative communication between the Cummins producing plant to affected OEMs and vehicle manufacturers regarding the potential issue of
C2386 CUMMINS ISB6.7 9999 This Campaign is being issued to replace valve springs on certain B Series engines.<br />
C2036 CUMMINS ISX15 9999 This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 455hp or higher with an improved SCR Catal
ATC2344B CUMMINS L9N 9999 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
ATC2249A CUMMINS X15 9999 This Temporary Repair Practice is being issued to address suspect camshaft damage on certain X15 CM2350 X114B or ISX15 CM2350 X101 engines. This TRP a
TSB210041-022620 CUMMINS L9 9999 This Technical Service Bulletin describes the verification and resolution of leaking air compressor coolant line grommets due to deterioration. This m
TSB210038-021520 CUMMINS ISX15 9999 This Technical Service Bulletin describes the verification and resolution of incomplete selective catalytic reduction system test due to the diesel pa
TSB210034-021120 CUMMINS L9 9999 This Technical Service Bulletin describes the verification and resolution of an audible fuel knock noise during the first 160 km [ 100 miles ] is a re
TSB210032-021720 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of stuck intake air heater relay and intake air heater damage which may resu
TSB210023-022520 CUMMINS X15 9999 This Technical Service Bulletin describes the appropriate way of choosing the correct exhaust gas recirculation temperature sensor with replacement of
TSB210021-020420 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of aftertreatment over temperature fault codes caused by prolonged PTO opera
TSB210013-020520 CUMMINS CUMMINS 9999 This Technical Service Bulletin describes the verification and resolution of miswiring of the diesel exhaust fluid pump wiring harness. Harness is mis
TSB200182-021820 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of corrosion on fuel system components caused by water in the fuel system. T
TSB200162-022620 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of coolant found in lubricating oil pan, or lubricating oil found in radiato
TSB190042-021520 CUMMINS ISL 9999 This Technical Service Bulletin describes the verification and resolution of a STOP engine light with fault code 2636 or an AMBER engine light with fa
TSB190174-021720 CUMMINS ISB6.7 9999 This Technical Service Bulletin describes the verification and resolution when the Anti-Lock Brake System lamp unintentionally illuminates after an En
TSB170119-020120 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of a charging system alternator bracket malfunction: IC Bus CE Series. The m
TSB180095-022520 CUMMINS ISB6.7 9999 This Technical Service Bulleting describes the verification and resolution of the diesel exhaust fluid (DEF) system becoming contaminated with debris.
TSB170085-021620 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of fault code 5867 (Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Fe
TSB110181-020520 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagemen
T2258A CUMMINS ISX15 9999 This Temporary Repair Practice is being issued to address Turbocharger and/or VGT Actuator failures on certain ISX15 CM2350 engines. This TRP authoriz
CMI-020921-A CUMMINS X15 9999 This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with machined blo
C2408 CUMMINS CPL0893 9999 This Quality Campaign is being issued to recalibrate the System Control Module (SCM), Battery Management System (BMS) and Traction Components of the
C2291B CUMMINS ISB6.7 9999 This In-Shop Campaign is being issued to address high levels of engine out smoke on certain MY16, ISB6.7 CM2350 B101 engines. This In-Shop Campaign au
C2108C CUMMINS ISL 9999 This field action authorizes certified repair locations to upfit certain ISL CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catal
C2036A CUMMINS ISX15 9999 This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 455hp or higher with an improved SCR Catal
ATC2298C CUMMINS ISX15 9999 This Account Team Coverage is being issued to address suspect Valve Rocker Assemblies on certain X15 CM2350 X114B/X116B, or ISX15 CM2350 X101 engines
ATC2405 CUMMINS X15 9999 This Account Team Coverage is being issued to address sealing robustness on air compressor inlet plumbing on certain X15 engines. This field action pr
TSB200110-031920 CUMMINS L9N 9999 This Technical Service Bulletin describes the verification and resolution of Engines operating in a low load and high idle duty cycle may experience e
TSB190165-030220 CUMMINS L9 9999 This Technical Service Bulletin describes the verification and resolution to address soot deposits in the intake air connection exhaust gas entrance p
TSB1700085-03082 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of fault code 5867 (Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Fe
TSB150196-031620 CUMMINS B5.9 G 9999 This Technical Service Bulletin desribes the troubleshooting steps to diagnose natural gas leaks into the engine cooling system. Many natural gas fu
TSB100025-030920 CUMMINS B6.7 9999 This Technical Service Bulletin informs the field of an issue causing fuel pump leaks on Bosch common rail fuel systems. High fuel inlet and fuel dra
CMI-031821-C CUMMINS B6.7 9999 This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with water intrus
CMI-032421-B CUMMINS L9 9999 This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with loose high p
CMI-031521-A CUMMINS B6.7 9999 This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with flywheel tor
C2347A CUMMINS X15 9999 This In-Shop Campaign is being issued to address dipstick failures in certain X15 CM2350/CM2450 engines. This document authorizes certified repair loc
C2053D CUMMINS ISX12 9999 This field action authorizes certified repair locations to upfit certain ISX12 CM2350 engines with an improved Selective Catalytic Reduction (SCR) Cat
ATC2413 CUMMINS X12 9999 This Account Team Coverage is being issued to address Diesel Particulate Filter plugging concerns on certain X12 CM2350 X119B engines. The ATC enables
ATC2410 CUMMINS ISX 9999 This Account Team Coverage is being issued to address past or active instances of timeout errors and/or aborts during Selective Catalytic Reduction Pe
TSB200249-122120 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of Fault Code 2349 caused by poor OEM power supply or return connections.<br
TSB200246-122220 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of misfires and fault codes caused by a stuck open oil control valve plunger
TSB200245-121820 CUMMINS ISX12 G 9999 This Technical Service Bulletin describes the verification and resolution of exhaust gas temperature fault codes that will not clear after repairs are
TSB200235-120420 CUMMINS ISLG 9999 This Technical Service Bulletin describes the resolution of unexpected fault codes logged after engine control module (ECM) calibration code update.<b
C2390 CUMMINS X15 9999 This In-Shop Campaign is being issued to recalibrate the Engine Control Module (ECM) on certain X15 CM2450 engines. The campaign enables authorized re
C2389 CUMMINS X12 9999 This campaign is being issued to address a potential oil leak from the lube oil filter on certain X15, X12, QSX15, QSM11, ISX15, ISX12N, and ISM11 eng
C2379 CUMMINS X15 9999 This campaign is being issued to recalibrate the Engine Control Module (ECM) on certain X15 CM2450 engines. The campaign enables authorized repair loc
ATC2394 CUMMINS L9 9999 This Account Team Coverage is being issued to address leaks from aluminum oil cooler on certain L9N CM2380 L124B engines. This field action authorizes
C2142 CUMMINS L9 9999 This Field Action authorizes certified repair locations to update the engine calibration on certain L9 CM2450 L126B engines to address potential Exhau
ATC2326A CUMMINS L9 9999 This Account Team Coverage is being issued to address heat exchanger main support bracket mounting hardware failures on certain CM2350 L116B engines.
TSB210020-012920 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of Allison Transmission Fault P2637 caused by engine control module calibrat
TSB210017-012920 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of false occurances of active fault codes 3492, 3656 or more than one inacti
TSB210013-012220 CUMMINS C 9999 This Technical Service Bulletin describes the verification and resolution of miswiring of the diesel exhaust fluid pump wiring harness. Harness is mis
TSB210008-011220 CUMMINS ISL9 9999 This Technical Service Bulletin describes the verification and resolution of broken exhaust gas temperature sensors caused by improper removal.<br />
TSB210007-012020 CUMMINS L9 9999 This Technical Service Bulletin describes the verification and resolution of malfunctioning aftertreatment diesel particulate filter differential pres
TSB210005-011820 CUMMINS L9 9999 This Technical Service Bulletin describes the verification and resolution of inoperative cruise control caused by a recent OEM software change. Remedy
TSB210004-010620 CUMMINS L9 9999 This Technical Service Bulletin describes the verification and resolution of additional instances of engine misfire Fault Codes 5895, 5896, 5897, 5898
CMI-P4S8X-02 CUMMINS X15 9999 This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with incorrect fl
CMI-K9M4D-02 CUMMINS X15 9999 This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with incorrect fl
C2389A CUMMINS X12 9999 This campaign is being issued to address a potential oil leak from the lube oil filter on certain X15, X12, QSX15, QSM11, ISX15, ISX12N, and ISM11 eng
TSB210062-031920 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of damaged starter O-rings that may be cut or damaged when installing the st
TSB210060-031620 CUMMINS B6.7N 9999
TSB210058-030920 CUMMINS L9 9999 This Technical Service Bulletin describes the verification and resolution of engine wiring harness issues on J1939 datalink that are causing datalink
TSB210055-030420 CUMMINS L9 9999 This Technical Service Bulletin describes the availability of new high-pressure injector supply lines, fuel supply line, and fuel supply line braces w
TSB210054-030420 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of false occurrences of Fault Code 555 or 556 when the Fault Code 555 or 556
TSB210053-030320 CUMMINS POWERDRIVE EV 9999
TSB210050-031120 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of a lubricating oil leak at rear of cylinder head caused by a broken seal b
TSB200182-030820 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of corrosion on fuel system components caused by water in the fuel system. T
TSB200116-030220 CUMMINS L9 9999
ATC2348 CUMMINS L9 9999 This Account Team Coverage is being issued to address exhaust manifold gasket leaks in certain ISL9 CM2350 L101/L9 CM2350 L116B. This document authori
ATC2344 CUMMINS L9N 9999 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
TSB200117-052020 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of FC227 caused by water intrusion in engine intake throttle actuator connec
TSB200116-051420 CUMMINS L9 9999
TSB200113-051320 CUMMINS ISX12 G 9999 This Technical Service Bulletin describes the verification and resolution of more demanding duty cycles that result in increased spark plug wear, resu
TSB200110-051320 CUMMINS L9N 9999 This Technical Service Bulletin describes the verification and resolution of Engines operating in a low load and high idle duty cycle may experience e
TSB200109-051120 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of driver complaints of slow shifts, high shift points or lack of skip shift
TSB150099-051220 CUMMINS X12 9999 This Technical Service Bulletin announces the availability of Advanced Dynamic Efficient Powertrain Technology (ADEPT technology) on select Cummins en
TSB100315-051320 CUMMINS C8.3 G 9999 This Technical Service Bulletin announces the availability of the oil pan full perimeter clamping plates on the following engine platforms: C8.3, C8.3
CMI-2QY9U-06 CUMMINS X12 9999 This is a service bulletin describing variations in torque needed to ensure proper installation and sealing to the lube head for lube filter LF14000NN
CMI-Z9T8T-06 CUMMINS B6.7 9999 This is a representative Owner Letter to communicate an emissions recall. The enigne(s) are potentially eligible for an Emissions improvement calibrat
CMI-X8G2J-06 CUMMINS B6.7 9999 This is a representative owner letter to communicate a product improvement software calibration campaign for the Cummins B6.7 CM2350 Model Year 2017 t
CMI-K6Z8G-06 CUMMINS ISB6.7 9999 This is a representative Owner Letter to communicate an emissions recall. The enigne(s) are potentially eligible for an Emissions improvement calibrat
C2291A CUMMINS B6.7 9999 This In-Shop Campaign is being issued to address high levels of engine out smoke on certain MY16, ISB6.7 CM2350 B101 engines. This In-Shop Campaign au
C2290A CUMMINS ISB6.7 9999 This In-Shop Campaign is being issued to address potential high levels of engine out smoke on certain MY 15 ISB6.7 CM2350 B101 engines. This In-Shop C
ATC2326 CUMMINS L9 9999 This Account Team Coverage is being issued to address heat exchanger main support bracket mounting hardware failures on certain CM2350 L116B engines.
TSB200079-033120 CUMMINS L9N 9999 This Technical Service Bulletin describes the verification and resolution of broken capscrews found on the heat exchanger main support bracket to engi
TSB200078-033120 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of oil leaks from the air compressor air dryer due to mismatched air compres
TSB200076-033020 CUMMINS X15 9999 This Technical Service Bulletin describes the verification and resolution of a software issue where the Cylinder Cut-out Test and Injector Performance
TSB200068-032420 CUMMINS L9N 9999 This Technical Service Bulletin describes the verification and resolution of FC2989 becoming active during vehicle operation resulting in reduced engi
TSB200059-031120 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of multiple J1939 aftertreatment component fault codes at first engine start
TSB200054-032720 CUMMINS ISL9 9999 This Technical Service Bulletin announces that a new exhaust gas recirculation (EGR) temperature sensor connector back shell is available to improve r
TSB2000050-03042 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of excessive engine noise due to a vibration dampener malfunction.<br />
TSB200049-030220 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of Active Fault Code 3749 with associated derate Fault Code 3714 due to the
TSB200048-030220 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of the inability to respond to Exhaust Gas Recirculation valve command due t
TSB200037-032020 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of occurances where the switched maximum vehicle speed parameter does not re
TSB200024-032320 CUMMINS B6.7 9999 This Technical Service Bulletin describes the verification and resolution of early life turbocharger failures after a new service turbocharger has be
TSB190072-031020 CUMMINS L9N 9999 This Technical Service Bulletin describes the verification and resolution to the driver may be able to exceed the Maximum Accelerator Speed Limit set
TSB190058-033120 CUMMINS ISL 9999 This Technical Service Bulletin describes the verification and resolution of an oil leak between the cylinder head and cylinder block on the intake si
TSB130133-031020 CUMMINS ISX12 9999 This Technical Service Bulletin describes the verification and resolution of Fault Code 4585 coming active after engine control module (ECM) calibrati
TSB120309-031720 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of fault code 3714, 3712, 6255, and 6254 active with no other active fault c
T2239A CUMMINS ISX12 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2238A CUMMINS ISX12 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2236A CUMMINS ISB6.7 9999 This TRP provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to the release date of
T2234A CUMMINS ISL9 9999 This Temporary Repair Practice provides for retroactive coverage of repairs, including customer billable repairs, completed by Cummins authorized repa
T2235B CUMMINS ISL9 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2233A CUMMINS ISL9 9999 This Temporary Repair Practice provides for retroactive coverage of repairs, including customer billable repairs, completed by Cummins authorized repa
T2161C CUMMINS ISL9 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
T2232A CUMMINS ISL9 9999 This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior t
C2301 CUMMINS X15 9999 This campaign is being issued to replace the engine dataplate on certain X15 CM2450 engines. Replacement dataplates have updated idle speed values. Th
C2298 CUMMINS X15 9999 This campaign is being issued to address suspect Valve Rocker Assemblies on certain X15 CM2350 X114B or ISX15 CM2350 X101 engines. This field action p
C2299 CUMMINS X15 9999 This campaign is being issued to address suspect valve rocker assemblies on certain ISX15 CM2250 SN and ISX CM871 E engines. This field action provide
C2291 CUMMINS B6.7 9999 This In-Shop Campaign is being issued to address high levels of engine out smoke on certain MY16, ISB6.7 CM2350 B101 engines. This In-Shop Campaign au
C2290 CUMMINS B6.7 9999 This In-Shop Campaign is being issued to address potential high levels of engine out smoke on certain MY 15 ISB6.7 CM2350 B101 engines. This In-Shop C
C2191C CUMMINS B6.7 9999 This field action authorizes certified repair locations to recalibrate the Engine Control Module (ECM) on certain B6.7 CM2350 engines with a product i
C2135B CUMMINS ISL9 9999 This field action authorizes certified repair locations to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 L101 engine
C2134B CUMMINS ISL9 9999 This field action authorizes certified repair locations to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 L101 engine
T2146B CUMMINS ISB6.7 9999 This Temporary Repair Practice is being issued to address System Outlet NOx Sensor failures on certain ISB6.7 CM2350 engines. This TRP authorizes cert
T2145C CUMMINS ISB6.7 9999 This Temporary Repair Practice is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISB6.7 CM2350 engines. This TRP
T2143B CUMMINS ISL9 9999 This Temporary Repair Practice is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 L101 engines. This T
C2137A CUMMINS L9 9999 This Campaign is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 engines in Transit Bus applications.
C2136A CUMMINS L9 9999 This Campaign is being issued to address Variable Geometry Turbocharger Actuator failures on certain ISL9 CM2350 engines in Transit Bus applications.
C2119A CUMMINS ISB 9999 This field action authorizes certified repair locations to upfit certain ISB CM2350 engines with an improved SCR Catalyst and to update the Engine Con
C2118B CUMMINS ISB6.7 9999 This field action authorizes certified repair locations to upfit certain ISB, ISC, and ISL CM2250 engines with an improved SCR Catalyst. This is an up

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