Manufacturer Communications

Vehicles / Cummins / X12
Bulletin Number Vehicle Make Vehicle Model Model Year Summary
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
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
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
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
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
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
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
TSB150099-051220 CUMMINS X12 9999 This Technical Service Bulletin announces the availability of Advanced Dynamic Efficient Powertrain Technology (ADEPT technology) on select Cummins en
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
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
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
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
TSB200189-092120 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution to address failed Diesel Exhaust Fluid urea quality sensor fault codes. The
TSB200102-042720 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of active Fault Code 1682 or 3574; DEF dosing unit not running when the DEF
TSB160055-041720 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of customer concerns with vehicle powertrain robustness or has experienced p
TSB190204-121720 CUMMINS X12 9999 This Technical Service Bulletin describes the introduction of a new edge bonded lubrication oil pump gasket released to improve sealing capability of
TSB190203-120220 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of engine crank but no start condition due to inducement restart counter bei
TSB190202-112520 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of incorrectly replaced aftertreatment diesel exhaust fluid (DEF) dosing uni
TSB180139-111120 CUMMINS X12 9999 This Techical Service Bulletin describes the verification and resolution of external aftertreatment diesel exhaust fluid leaks at aftertreatment diese
TSB200012-011620 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution when Fault Code 1922 comes active after driving unit with a recent ECM calib
TSB200011-011620 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution to an issue with engine braking performance that arises due to variations to
TSB190112-011420 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution to units equipped with Eaton? Endurant? transmission experiencing a crank, n
TSB190091-010220 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine mi
TSB110181-012720 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagemen
ATC2163 CUMMINS X12 9999 This Account Team Coverage is being issued to address life cylinder liner O-ring failures (PN 3696801) in certain X12 CM2350 X119B engines. Normal tem
TSB190133-072420 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of lubricating oil seepage from the crankcase breather tube at rocker lever
TSB180047-071720 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution to discolored diesel exhaust fluid (DEF) dosing unit heater elements caused
ATC2188 CUMMINS X12 9999 This In-Shop campaign addresses the DPF plugging concerns on certain X12 CM2350 X119B engines. These failures are being experienced in coach applicati
ATC2182B CUMMINS X12 9999 This Account Team Coverage is being issued to address lube pump gasket leaks in certain X12 CM2350 X119B engines, when it's confirmed the lube pump ga
TSB1800470606201 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of Diesel exhaust fluid (DEF) dosing unit heater elements becoming discolore
ATC2181 CUMMINS X12 9999 This Account Team Coverage is being issued to replace the engine dataplate(s) on certain X12 CM2350 X119B engines. The dataplates on eligible engines
TSB150099-052320 CUMMINS X12 9999 This Technical Service Bulletin announces the availability of Advanced Dynamic Efficient Powertrain Technology (ADEPT technology) on select Cummins en
TSB110181-052420 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagemen
TSB1901120628201 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution to units equipped with Eaton? Endurant? transmission experiencing a crank, n
TSB1900910613201 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine mi
TSB1900170611201 CUMMINS X12 9999 This Technical Service Bulletin describes the verification and resolution of high number of inactive counts of fault code (FC) 7125 as caused by engin
TSB120309-013120 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

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