Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB220229
Dec 6, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin was issued for "ENGINE SERIAL NUMBERS DUPLICATED Issue. Rocky Mount Engine Plant (RMEP) issued Engine Serial Numbers (ESNs) assigned to previously built engines. This has resulted in duplicate ESNs being iss
TSB220165
Dec 6, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Technical Service Bulletin was issued for "Description of Change
C2643
Dec 6, 2022
110000 ELECTRICAL SYSTEM
This Campaign was issued to address a duplicate ESN issue affecting certain mid range engines. This Campaign authorizes certified service locations to replace the engine dataplate and the Engine Control Module (ECM) dataplate, and update th
TSB220244
Dec 6, 2022
160000 STRUCTURE
This Technical Service Bulletin was issued for Description of Change. Releasing a new idler pulley bracket mounting capscrew for options FA1611 and FA1608. The new capscrew will improve the joint robustness and allow the installation torqu
TSB220237-112820
Nov 28, 2022
280100 BACK OVER PREVENTION:SOFTWARE
This Technical Service Bulletin describes the verification and resolution to the Broken upper lubricating oil fill tube bracket. Root Cause: Fatigue malfunction caused by high assembly stresses on the lubricating oil fill tube bracket. Ver
TSB220239-112820
Nov 28, 2022
280100 BACK OVER PREVENTION:SOFTWARE
This Technical Service Bulletin describes the verification and resolution to Acumen devices requiring complete software update. Nine Acumen devices were reported to be missing the latest software version (1.1.20220531.4). Devices with the i
TSB220228-112820
Nov 28, 2022
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes customer complaint of no start. This is due to contaminants in the fuel system clogging the injector which causes no fuel to enter the cylinder and preventing the generator from starting.
TSB210187-112820
Nov 28, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution to the Symptom of a combination of one or all DEF header fault code(s) 3868, 4572 and/or 4677 are logged. Note : These ECM calibrations will only address DEF header s
ATC2648
Nov 22, 2022
100000 POWER TRAIN
This ATC 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 locationsto download and install a new ECM calibration.
ATC2298E
Nov 22, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
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 Ro
T2488E
Nov 22, 2022
070000 FUEL SYSTEM, GASOLINE
This Temporary Repair Practice is being issued to address certain PACCAR (Kenworth and Peterbilt) vehicles with Diesel Exhaust Fluid (DEF) header sensor failures in which DEF header replacement parts are not available. Due to DEF header par
ATC2405B
Nov 22, 2022
070000 FUEL SYSTEM, GASOLINE
This Account Team Coverage is being issued to address sealing robustness on air compressor inlet plumbing on certain X15 engines. This field action provides authorization for certified repair locations to seal the turbocharger inlet to turb
ATC2443B
Nov 22, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Account Team Coverage is being issued to address out of coverage failures as a result of dust ingestion through the air compressor inlet plumbing system on certain X15 CM2350 X114B/X116B engines. This is an update to a previously submi
TSB220227-111820
Nov 18, 2022
350000 EQUIPMENT
This Technical Service Bulletin describes the verification and resolution of the External lubricating oil leaks can occur at the tappet guide screw. Lubricating oil will be visibly leaking from the tappet guide screw down the exterior of th
TSB220232-111720
Nov 17, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Technical Service Bulletin describes verification and resolution of being unable to meet desired Load Based Speed Control when updating Load Based Speed Control. Load Based Speed Control is not permitted to be enabled. OEM Load Based S
TSB190114-111620
Nov 16, 2022
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution to the customer repeatedly experiencing plugged suction side fuel filter prior to required maintenance interval. New filter options offer adequate protection to the f
CMI-11112022-B
Nov 11, 2022
090000 FUEL SYSTEM, OTHER
This CMI communication is being issed to address engines that may experience a low monitoring frequency for certain fuel systems an exhaust system diagnostics. This campaign will provide an updasted engine software calibration that may imp
CMI-11112022-C
Nov 11, 2022
090000 FUEL SYSTEM, OTHER
This CMI communication is being issed to address engines that may experience a low monitoring frequency for certain fuel systems an exhaust system diagnostics. This campaign will provide an updasted engine software calibration that may imp
CMI-11112022-D
Nov 11, 2022
090000 FUEL SYSTEM, OTHER
This CMI communication is being issed to address engines that may experience a low monitoring frequency for certain fuel systems an exhaust system diagnostics. This campaign will provide an updasted engine software calibration that may imp
CMI-11112022-A
Nov 11, 2022
090000 FUEL SYSTEM, OTHER
This CMI communication is being issed to address engines that may experience a low monitoring frequency for certain fuel systems an exhaust system diagnostics. This campaign will provide an updasted engine software calibration that may imp
TSB200182-111020
Nov 10, 2022
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of corrosion on fuel system components caused by water in the fuel system. This is an update to a previously submitted communication.
TSB210266-111020
Nov 10, 2022
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of closed crankcase ventilation (CCV) breather assembly lower bearing corrosion, damage, and/or debris not allowing the CCV motor to achieve functional speed.
TSB220213-110820
Nov 8, 2022
350000 EQUIPMENT
This Technical Service Bulletin was issued for Visible Engine Vapor Observed at Crankcase Breather Vent Tube. Symptom: Equipment experiencing visible engine vapor at crankcase breather vent tube. Root Cause: Vapors can escape the crankcas
TSB220220-110420
Nov 4, 2022
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin has been issued for cup plugs missing from the fuel drain line at the front face of the cylinder head. Root Cause: Debris plugging the fuel drain line at the rear of the cylinder head causing excessive fuel