Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB180032
Sep 21, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault codes FCs 125, 1921, 1922, 1866, 3361, 3382, 3389, and 4729 causing Air Compressor Air Leak Noise, black smoke, high exhaust temperature, low power.
TSB230180
Sep 18, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault codes FCs 1682, 3574, 3575, 4645 caused by priming and insufficient flow issue.
C2727
Sep 8, 2023
353000 EQUIPMENT:ELECTRICAL
This Campaign is being issued to address a potential concern for SCM failures in certain BES CM2450 EV105B drivetrain systems. This field action authorizes the addition of a new jumper harness to remedy an identified internal failure mode o
TSB230168
Sep 5, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault code FC 3243.
TSB230162
Sep 5, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault codes FCs 1921, 1922, 1981, 2639, 3375, 3376 as well as excessive aftertreatment system regeneration.
ATC2685 A
Aug 31, 2023
060000 ENGINE AND ENGINE COOLING
This ATC is being issued to address potential fuel shutoff valve failures on certain ISX12N CM2380 X120B engines. This document authorizes Cummins certified locations to replace fuel shutoff valve part number 5537854 or 5467826 with an impr
TSB230166
Aug 31, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of elimination of mounting clip to reduce tension on wiring harness whenever the wiring harness is removed or replaced.
TSB230149
Aug 30, 2023
010000 STEERING
This Technical Service Bulletin describes the availability of new power steering pump. If the old steering pump is replaced with new one Part number 6386500 the hose fitting needs to be replaced too. This is an update to the previously subm
TSB230164
Aug 30, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault codes FC 11114 and FC11116. These faults can become active if the DC fast charging is not disconnected immediately after the charging session.
TSB230165
Aug 30, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault code FC 7911, Coolant Pump Outlet Hoses Incorrectly Installed.
TSB200182
Aug 25, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of corrosion of Fuel System and the components due to presence of water.
TSB210154
Aug 22, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault codes FC 3492, 319,and Real Time Clock Settings.
TSB230160
Aug 18, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault codes FC 12547 and FC 8512 that cause battery management controller to lose communication with system control module on data link 3.
TSB230156
Aug 17, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of Fault Code FC 11414 which causes non enabling of the vehicle electric system.
TSB220068
Aug 16, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of false occurrences of Fault Code 4713 by using the ECM calibration code of the same revision or higher.
TSB230154
Aug 16, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of Fault Code 4713 that is a fueling error diagnostic for equally malfunctioning injectors.
C2718
Aug 1, 2023
980000 UNKNOWN OR OTHER
This Campaign is being issued to update the TMS Inverter Calibration on certain BES CM2450 EV107B units currently in the field. This Campaign authorizes certified technicians to update the TMS Inverter to the latest calibration.
TSB230145
Jul 28, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of wrapping and cracking of the exhaust manifold with a 3 -piece exhaust manifold.
Plant Comm
Jul 27, 2023
060000 ENGINE AND ENGINE COOLING
Leaks have been observed on the 1st accumulator fittings in 8 issues. 125 suspect fuel rails based on the manufacturing date. Engines which are at the OEMs before the clean point need to be touched by the techs to change the accumulator fit
TSB220181
Jul 24, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of EGR cooler with new robust design EGR cooler. This is an update to the previous communication.
SB_406.12
Jul 21, 2023
060000 ENGINE AND ENGINE COOLING
Identify options for dealing with multiple failure mode codes on various versions of DEF headers for 2016 and newer Cummins engines. This latest revision is to address production and service change from optical header 3539748 to ultrasonic
TSB200122
Jul 21, 2023
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the several changes to the high voltage battery module. This is an update to the previous communication.
TSB230136
Jul 7, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of Fault codes 285, 3488, 7899, 7953, 7961, 7976, 8169, 8233, 8234, 8338, 8527, 8559, 8631.
TSB230133
Jun 30, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fault code FC 12551 to get information on the state of the battery pack.
TSB230117
Jun 30, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Technical Service Bulletin describes the verification and resolution of issue of dike tank leaking captured fluid. This is an update to the previously submitted communication.