Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB200115
Apr 18, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin provides instructions to detect the root cause of fuel consumption accuracy issues reported by customers. When comparing fuel consumption values in INSITEa?? electronic service tool to customer measurements (
TSB230069
Apr 17, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of some units that were approved by customer were short shipped with the DEF level gauge and hour meter.
TSB220220
Apr 14, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of missing Cup plugs from the fuel drain line at the front face of the cylinder head and the external fuel leak issue. This is an update to the previously submitted c
ATC2599A
Apr 13, 2023
060000 ENGINE AND ENGINE COOLING
This ATC is being issued to address the backside idler bracket failures in certain L9 CM2350 116Bor L9 CM2450 L126B engines in refuse truck applications for Miami Dade. This ATC authorizes certified repair locations to remove the rubber dam
C2681
Apr 13, 2023
060000 ENGINE AND ENGINE COOLING
This In-Shop Campaign is being issued to address a new BMS and SCM firmware, bootloader and calibration for certain BES CM2450 EV101B.
C2680
Apr 13, 2023
060000 ENGINE AND ENGINE COOLING
This In-Shop Campaign is being issued to address a new BMS and SCM firmware, bootloader and calibration for certain BES CM2450 EV101B.
TSB230070
Apr 12, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the issue of fault codes FC 553 and FC 559.
TSB230071
Apr 12, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the issue of fault codes Fault Codes: 553, 559, 3741, and 4727.
TSB200154
Apr 10, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution to clarify the use of lead-free and leaded for upper and lower connecting rod bearings.
T2621A
Apr 5, 2023
060000 ENGINE AND ENGINE COOLING
This TRP provides for retroactive coverage of repairs, including customer billable repairs, completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically applies to Engine Outlet N
C2473A
Apr 4, 2023
060000 ENGINE AND ENGINE COOLING
This campaign authorizes certified repair locations to replace the Engine Out NOx sensor with updated part number 5491422.
ATC2678
Apr 4, 2023
060000 ENGINE AND ENGINE COOLING
This ATC is being issued to recalibrate the Engine Control Module (ECM) on certain X15 certified engines. A software error may lead to underreporting mileage count on the odometer readings at all operation modes. This field action enables a
C2679
Apr 4, 2023
060000 ENGINE AND ENGINE COOLING
This campaign is being issued for Leyland DAF (PACCAR) Europe to address ETV Durability issue present on certain B6.7 and F4.5 engines, this document enables certified Leyland DAF (PACCAR) repair locations to update the ECM calibration on L
TSB230071-033120
Mar 31, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the Electronic Fuel Control Actuator Test not available in INSITEa?? electronic service tool version 8.8.3.
TSB230072-033120
Mar 31, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the issue of the vehicle dashboard odometer mileage differing from GPS distance or ECM mileage by more than +/- 2.5%.
TSB230062-032720
Mar 27, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of fault codes 12543, 12553, 12558, 12564, 12569, 12575, or 13751 that cause Loss of communication between the pack management unit (PMU) and the battery management
TSB230065-032420
Mar 24, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the issue of misfiring fault codes without any audible misfire or performance loss.
C2577D
Mar 23, 2023
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address connectivity module (5615689), wiring harness (5628700) and GPS antenna (5628701)being replaced with a new connectivity module (5661267) and wiring harness (6380022) on certain BES CM2450 EV101B unit
TSB230059-030212
Mar 21, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the issue of vibration to redirect the incident to Navistar by opening a case file in their system.
TSB230058-031620
Mar 21, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin announces introduction of new Valve Seat Guide no. 6381879 and supersedes the old part no. 3906206.
TSB230019-032120
Mar 21, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of active fault codes FC 3232 and FC 2771. This is an update to the previously submitted communication.
TSB210187-032020
Mar 20, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of the issue of combination of one or all DEF header fault code(s) 3868, 4572 and/or 4677 getting logged. This is an update to the previously submitted communication.
TSB170098-032020
Mar 20, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin announces introduction of new fuel shut off valves part nos. 5397343 and 4389457. This is an update to the previously submitted communication.
TSB220216-032020
Mar 20, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of damaged exhaust pipe assembly with new Gritz parts. This is an update to the previously submitted communication.
C2108E
Mar 16, 2023
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to up fit certain ISC and ISL CM2250 engines with an improved SCR Catalyst. This is an update to the previously submitted communication.