Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB240061
Mar 19, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of low cabin heat due to coolant heater control module having a faulty combination of software and firmware.
TSB240056
Mar 8, 2024
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of issue of Fault Code 14323 appearing intermittently when enabling the low voltage system or connecting to electric vehicle supply equipment (EVSE)
TSB240055
Mar 8, 2024
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of issue of Fault Code 11944 appearing intermittently when disconnecting from electric vehicle supply equipment (EVSE)
C2746
Mar 7, 2024
060000 ENGINE AND ENGINE COOLING
This Emissions Campaign enables authorized repair locations to install new DEF header and recalibrate the ECM on certain engines where appropriate. The DEF header calibrations on eligible units will be obsoleted and superseded back to the o
TSB230228
Mar 7, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes that FromA 01 January 2024 onwards, ReConA? engine part numbers as listed in Table 1 below, will be shipped without an ECM (engine control module).
C7000
Mar 5, 2024
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address o-ring replacements at the air compressor coolant lines on certain X15 and X12 engines. This will prevent potential coolant leaks due to non-conforming o-ring material. Through this Campaign, it is a
TSB240049
Mar 4, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of Fuel filter loses torque and backs off the fuel filter head due to Inadequate thread engagement between the fuel filter adapter and fuel filter that cause
TSB200249
Mar 4, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of the EGR Valve Motor Circuit is sensitive to poor OEM power supply or return connections. This is an update to the previously submitted communication.
TSB220122
Feb 29, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of Exhaust Gas Recirculation (EGR) coolant leaks caused by corrosion of the gas tubes due to certain truck wash chemicals. This is a revision to a previously submitte
ATC2648A
Feb 29, 2024
060000 ENGINE AND ENGINE COOLING
This In-Shop campaign is being issued to address excessive output gear wear leading to the replacement of the intake air throttle. This In-Shop campaign authorizes certified repair locations to download and install a new ECM calibration. Th
TSB140019
Feb 26, 2024
060000 ENGINE AND ENGINE COOLING
This document, in conjunction with the information provided within the manuals listed in Table 1 provides inspection and repair guidelines following the malfunction of an XPI fuel pump pumping plunger and/or roller tappet assembly. The lev
TSB240046
Feb 22, 2024
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of issue of Isometer Fault Codes 14313, 14314, 14316, 14317 recurrence.
TSB240045
Feb 22, 2024
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of issue of Voltage Sensor Firmware Preventing DCFC: Fault Code 14323
TSB200162
Feb 20, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of coolant found in lubricating oil pan, or lubricating oil found in radiator or top tank due porosity in Cylinder Block. This is an update to the previously
TSB190223
Feb 20, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of Lubricating oil leak from camshaft expansion plug (Welch Plug). This is an update to the previously submitted communication.
TSB240035
Feb 19, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the use of air compressor coolant line connectors on the affected engines with connectors made of a more robust material.
C7011
Feb 13, 2024
060000 ENGINE AND ENGINE COOLING
This campaign is being issued to address potential insufficient flywheel to crankshaft mounting bolt torque on certain L9 CM2450 L126B engines built with Option FW90900. This Campaign authorizes certified service locations to verify the tor
TSB240031
Feb 9, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of ECM Calibration settings resulting in false occurrences of Fault Code 435 followed by Fault Codes 143 and 415 on units equipped with lubricating oil press
TSB240028
Feb 8, 2024
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of issue of the 12-volt battery charge when drops below 12.8 Vdc, while using a jump starter, the high voltage DC/DC converter can charge the battery at an excessive
TSB240029
Feb 7, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of low success rate when trying to reset the stage 2 Fuel Filter maintenance monitor with brake pedal.
TSB130080
Feb 7, 2024
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin introduces a new Cummins Service Engine Model Identification. This is a revision to a previous communication.
C2504 A
Feb 6, 2024
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address a small population of BES CM0904 EV104B units that were built with INVT HV DC/AC Inverters. This Campaign authorizes certified service locations to proactively replace the Power Steering and/or the A
C2566 C
Feb 6, 2024
060000 ENGINE AND ENGINE COOLING
This In-Shop Campaign is being issued to provide supporting coverage for high voltage battery panel enclosure updates, and authorizes certified repair locations to complete the up-fit any time the unit is in for maintenance or repairs, with
T2521 A
Feb 6, 2024
060000 ENGINE AND ENGINE COOLING
This TRP is being issued to update the high voltage battery inlet temperature sensor on certain BES CM0904 EV 104B units. The temperature sensor is not IP67 rated and may allow water to leak into the connectors and corrode. This TRP authori
C2444 A
Feb 6, 2024
110000 ELECTRICAL SYSTEM
This In-Shop Campaign is being issued to provide supporting coverage for high voltage battery panel enclosure updates, and authorizes certified repair locations to complete the up-fit any time the unit is in for maintenance or repairs, with