Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB1900120117201
Jan 17, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes a new engine control module (ECM) calibration code available to prevent a pressure difference across the turbocharger during certain running conditions that can lead to external lubricating oil leak
TSB1800050111201
Jan 11, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution to hunting during cold startups, generally in areas with cooler ambient temperatures. In some cases, the generator set will hunt until it shuts down on fault code 58
TSB1900030108201
Jan 8, 2019
060000 ENGINE (PWS)
This Technical Service bulletin describes the verification and resolution of certain malfunctions due to incorrect switch input wiring on some engines. Certain engine control module switch inputs, such as the power take-off (PTO)/Accelerato
TSB1200600108201
Jan 8, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of certain malfunctions due to incorrect switch input wiring on some engines. Certain engine control module switch inputs, such as the power take-off (PTO)/Accelerato
TSB180180-121920
Dec 19, 2018
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the ground strap of the generator was found not installed. The drawing of previous version, which was used for installation, did not contain the call for ground st
ATC1936D
Dec 19, 2018
070000 FUEL SYSTEM, GASOLINE
This Acount Team Coverage is being issued to upgrade certain ISX15 CM2350 High Pressure Fuel Pump Tappets. This field action provides authorization for certified repair locations to replace the brass roller pin tappets in the high pressure
TSB180178-121720
Dec 17, 2018
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of smoke on start-up of the generator set caused by wet stacking, or an incomplete burning of the fuel, when they are run atlittle or no load. Putting asmall load on
T2083
Dec 11, 2018
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice authorizes certified repair locations to upfit certain ISB, ISC, and ISL CM2250 engines with an improved SCR Catalyst. The engine must show open for this field action, experience a complaint or symptom in whic
T2084
Dec 11, 2018
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice authorizes certified repair locations to upfit certain ISB and ISL CM2350 engines with an improved SCR Catalyst. MY2013 thru MY2014 engines that qualify, a new wiring harness and calibration update is required
ATC2060A
Dec 4, 2018
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage (ATC) is being issued to address certain X15 CM2350 X114B and X116B units that have found fault code 3545 and 1887 active. This ATC authorizes certified repair locations to use the attached procedures to implement
ATC2061A
Dec 4, 2018
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage (ATC) is being issued to address certain X15 CM2350 X114B and X116B units that have found fault code 3545 and 1887 active. This ATC authorizes certified repair locations to use the attached procedures to implement
TSB170105-082420
Nov 29, 2018
060000 ENGINE (PWS)
This Technical Support Bulletin describes the verification and resolution regarding PC 1.1, PC 1.1R, and PC 1.2 Controls (PCC 1302 Control Board) Stuck in ?Idle? Mode due to Calibration Update ProcedureGenerator sets using PC 1.1, PC 1.1R,
CMI-B2H6W-11
Nov 28, 2018
060000 ENGINE (PWS)
This document is a representative communication sent to multiple OEMs informing them of non-conforming engine oil dipsticks. The non-conformance will result in a low oil level condition when the gauge would indicate that the engine oil lev
TSB150133-111620
Nov 28, 2018
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
This Techical Service Bulletin announces the release of new exhaust manifold gaskets and manfolds and new upper engine gasket kit part numbers to reduce instances of leaking exhaust manifold gaskets and cracked exhaust manifolds. This is a
TSB180152-110120
Nov 27, 2018
113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
This Technical Service Bulletin describes the verification and resolution of relay one causing intermittent communication issue to the HMI display. The temporary fix is to jump the relay and block off the port.
TSB180165-112020
Nov 26, 2018
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This Technical Service Bulletin describes the verification and resolution of reduced engine power and fault code 6786 as caused by an exhaust aftertreatment backpressure diagnostic found to be out of adjustment resulting in false occurrence
TSB180106-112020
Nov 26, 2018
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Technical Service Bulletin describes the verification and resolution of fault codes 1894, 2387, 1897, 6432, 5177, 2198, 1976, 1938, 2635, 4956, 4957 caused by prolonged condensate drips from the overhead air conditioning condenser line
T2037A
Nov 20, 2018
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 450hp or less with an improved SCR Catalyst, if the engine meets certain criteria including: an active count of fault code 3151 (SC
CMI-L9V8U-12
Nov 16, 2018
061110 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
This customer communication was issued to authorize Cummins Service locations to install a new belt at each oil change interval on ISV5.0 engines equipped with option CP80009 installed in Blue Bird school buses. As the belt ages, the engi
T2035A
Nov 16, 2018
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISX15 CM2250 engines rated at 450hp or less with an improved SCR Catalyst, if the engine meets certain criteria including at least one of the identified fault codes:
C2046B
Nov 13, 2018
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
This Campaign is being issued to address turbo actuator corrosion / water intrusion resulting in an active fault code 1894 in certain chassis. This campaign authorizes certified locations to apply Loctite 290 and Permatex Silicone around th
TSB180161-111220
Nov 12, 2018
061110 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
This Technical Service Bulletin describes the verification and resolution of the malfunction of the backside idler pulley and/or bracket by reverting to a prior arrangement that is more robust.
CMI-P4Q5J-12
Nov 9, 2018
060000 ENGINE (PWS)
This is a representative letter sent to owners to communicate an engine emissions campaign.
T2085
Nov 2, 2018
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 455hp or higher with an improved SCR Catalyst, if the engine meets certain criteria including: experiences a complaint/system in whi
CMI-Q9M8K-12
Nov 1, 2018
060000 ENGINE (PWS)
This is a representative letter sent to owners to communicate an engine emissions campaign.