Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB220021
Feb 7, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of mislabeled thermal management system harness.
C2504
Feb 3, 2022
060000 ENGINE (PWS)
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 replacethe Power Steering and/or the Ai
T2554
Feb 3, 2022
060000 ENGINE (PWS)
This temporary repair practice is being issue to update the rear panel on the High Voltage Module on certain BESCM0904 EV104B units. The updated High Voltage Junction Box test ports interferes with the rear panel of the High Voltage Module
TSB220017
Feb 1, 2022
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of Fault Code 559 found after service event and troubleshooting leads to finding the high-pressure fuel lines cracked around the sealing surfaces.
TSB180025
Feb 1, 2022
060000 ENGINE (PWS)
The information in this document has no effect on present warranty coverage or repair practices,nor does it authorize TRP or Campaign actions.
C2547
Jan 27, 2022
060000 ENGINE (PWS)
This Campaign is being launched to install a new fuel heater on certain B6.7 engines. This commercial action is to enable fuel heating capability on engines where no fuel heater has been installed.
C2546
Jan 27, 2022
060000 ENGINE AND ENGINE COOLING
This Campaign is being launched to install a new fuel heater on certain B6.7 engines. This commercial action is to enable fuel heating capability on engines where no fuel heater has been installed.
ATC2249B
Jan 20, 2022
060000 ENGINE (PWS)
This Temporary Repair Practice is being issued to address suspect camshaft damage on certain X15 CM2350 X114B or ISX15 CM2350 X101 engines. This TRP authorizes certified repair locations to replaced the Camshaft if confirmed failure of the
ATC2298D
Jan 20, 2022
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
This ATC is being issued to address suspect Valve Rocker Assemblies on certain X15 CM2350 X114B or ISX15 CM2350 X101 engines. This field action provides authorization for certified repair locations to replace the Intake and Exhaust Valve R
TSB220009-011320
Jan 13, 2022
116620 ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS
This Technical Service Bulletin describes the verification and resolution of incorrect minimum gap clearance used for reused spark plugs. This condition may cause rough running conditions and multiple fault codes.
TSB210020-011320
Jan 13, 2022
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This Technical Service Bulletin describes the verification and resolution of an issue with Allison Transmission? Fault P2637 being caused by the Engine Control Module (ECM) Calibration. Cummins is releasing ECM calibration revisions that re
TSB210127-011320
Jan 13, 2022
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of engine misfire codes caused by the use of an aftermarket exhaust pressure sensor. The aftermarket exhaust gas pressure sensor does not provide equivalent signal a
TSB190225-011220
Jan 12, 2022
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution to an issue that arises when a C100D2RE generator set is attempted to parallel with a C150, C200 or C275 generator set. When this occurs the B+ on the two units shor
TSB220002-010720
Jan 7, 2022
061560 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
This Technical Service Bulletin describes the verification and resolution of incompatibility between the system control module (SCM), OEM Body Controller, and OEM multi-function display. This may result in issues, fault codes, or an inopera
TSB210254-010520
Jan 5, 2022
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of corrosion on the ignition control module pins and mating connector terminals caused by water migrating along the wires. This may cause a no-start condition.
TSB210147-010420
Jan 4, 2022
061560 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
This Technical Service Bulletin describes the verification and resolution of Fault Code 6266 on Low Mileage/Early Life Units. This is due to the temperature sensor probe not warming up to meet minimum temperature conditions.
KC-279
Dec 29, 2021
060000 ENGINE AND ENGINE COOLING
Mack SED Communication No. 1372-15 M - OBD16 Emissions Cummins "GREEN" (9 Pin) Data Port Connector
TSB210280-121720
Dec 17, 2021
119330 ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES
This Technical Service Bulletin describes the verification and resolution of exposed shielding on some high voltage cables. The exposed shielding may lead to moisture intrusion into the cables.
T2490B
Dec 16, 2021
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice is being issued to address certain Daimler (Freightliner, Thomas Built Bus, Western Star) vehicles with DEF header sensor failures in which DEF header replacement parts are not available. Due to DEF header par
TSB210281-121620
Dec 16, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of possible lubricating oil leaks from the interface of the upper gear cover and the gear housing due to a possible loss in retention of the upper gear cover capscrew
T2484B
Dec 16, 2021
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This Temporary Repair Practice is being issued to address certain vehicles with DEF header sensor failures in which DEF header replacement parts are not available. Due to DEF header part shortages, an ECM calibration is being released that
KC-246
Dec 15, 2021
060000 ENGINE AND ENGINE COOLING
Mack Chassis - Equipped With A Cummins 9 Liter Engine - Serpentine Belt Excessively Worn Or Damaged; Fan Belt Shredding Or Fraying Repeatedly
TSB200014-121420
Dec 14, 2021
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This Technical Service Bulletin describes the verification and resolution when Fault Code 7238 becomes active. Fault Code 7238 ?Fuel Control Module - Abnormal Update Rate? is a fault code that indicates loss of communication on the private
ATC2534
Dec 14, 2021
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage is being issued to install a new fuel heater on certain B6.7 engines. This is a commercial action (non-safety related) to reinstate fuel heater functionality that was disabled as the remedy for safety recall 20E-0
TSB210270-121020
Dec 10, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of Predictive Cruise Maximum Negative Offset and/or Predictive Cruise Maximum Positive Offset not responding to adjustments made on INSITE? electronic service tool.