Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
C2036A
Feb 23, 2021
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 455hp or higher with an improved SCR Catalyst.This is an update to a previously submitted communication.
C2108C
Feb 23, 2021
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISL CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria. For MY2013 thru MY2014 engines that qualify fo
T2258A
Feb 18, 2021
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice is being issued to address Turbocharger and/or VGT Actuator failures on certain ISX15 CM2350 engines. This TRP authorizes certified repair locations to replace the Turbocharger and/or the VGT Actuator if fault
TSB200182-021820
Feb 18, 2021
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.
C2291B
Feb 18, 2021
060000 ENGINE AND ENGINE COOLING
This In-Shop Campaign is being issued to address high levels of engine out smoke on certain MY16, ISB6.7 CM2350 B101 engines. This In-Shop Campaign authorizes certified repair locations to remove and clean the EGR Valve and clean the Intake
TSB210032-021720
Feb 17, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of stuck intake air heater relay and intake air heater damage which may result in Fault Code 383, intake air heater malfunctions and trouble starting the engine.
TSB190174-021720
Feb 17, 2021
030000 BRAKES (PWS)
This Technical Service Bulletin describes the verification and resolution when the Anti-Lock Brake System lamp unintentionally illuminates after an Engine Control Module calibration is performed. The Engine Control Module calibration downlo
TSB170085-021620
Feb 16, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of fault code 5867 (Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Feedback- Voltage Below Normal or Shorted to Low Source) often leading to unnecessary replac
C2408
Feb 16, 2021
110000 ELECTRICAL SYSTEM
This Quality Campaign is being issued to recalibrate the System Control Module (SCM), Battery Management System (BMS) and Traction Components of the BES CM0904 EV104B products. It provides authorization for CFSEs to recalibrate the systemc
TSB210038-021520
Feb 15, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of incomplete selective catalytic reduction system test due to the diesel particulate filter outlet temperature being too low which causes the test to abort.
TSB190042-021520
Feb 15, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of a STOP engine light with fault code 2636 or an AMBER engine light with fault code 1894 as caused by turbocharger actuator overheating. This is an update to a prev
TSB210034-021120
Feb 11, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of an audible fuel knock noise during the first 160 km [ 100 miles ] is a result of incomplete fueling adaption learning and is not an indication of a malfunction.
ATC2405
Feb 11, 2021
060000 ENGINE (PWS)
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
ATC2298C
Feb 9, 2021
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage is being issued to address suspect Valve Rocker Assemblies on certain X15 CM2350 X114B/X116B, or ISX15 CM2350 X101 engines located in North America. This field action provides authorization for certified repair lo
CMI-020921-A
Feb 9, 2021
060000 ENGINE AND ENGINE COOLING
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with machined block porosity on certain X15 engines. The engine plant pursued corrective action with affec
TSB210013-020520
Feb 5, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of miswiring of the diesel exhaust fluid pump wiring harness. Harness is mis-wired such that the DEF pump return input at the controller is receiving continuous 24 VD
TSB110181-020520
Feb 5, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of engine speed instability related to truck vacuum blower or pump engagement. Some units with transfer cases have exhibited engine speed instability when the vacuum
TSB210021-020420
Feb 4, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of aftertreatment over temperature fault codes caused by prolonged PTO operation above 1000 rpm during winter months.
TSB170119-020120
Feb 1, 2021
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of a charging system alternator bracket malfunction: IC Bus CE Series. The malfunction is due to the use of a non-approved Dual Freon compressor systems installed by
TSB210020-012920
Jan 29, 2021
100000 POWER TRAIN
This Technical Service Bulletin describes the verification and resolution of Allison Transmission Fault P2637 caused by engine control module calibration.
TSB210017-012920
Jan 29, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of false occurances of active fault codes 3492, 3656 or more than one inactive count within 25 engine operating hours.
TSB210013-012220
Jan 22, 2021
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of miswiring of the diesel exhaust fluid pump wiring harness. Harness is mis-wired such that the DEF pump return input at the controller is receiving continuous 24 VD
TSB210007-012020
Jan 20, 2021
030000 BRAKES (PWS)
This Technical Service Bulletin describes the verification and resolution of malfunctioning aftertreatment diesel particulate filter differential pressure sensors when fault code 3168 is active.
C2389A
Jan 19, 2021
092300 FUEL SYSTEM, OTHER:FUEL FILTER
This campaign is being issued to address a potential oil leak from the lube oil filter on certain X15, X12, QSX15, QSM11, ISX15, ISX12N, and ISM11 engines. This campaign authorizes certified repair locations to replace the lube oil filter i
TSB210005-011820
Jan 18, 2021
280100 BACK OVER PREVENTION:SOFTWARE
This Technical Service Bulletin describes the verification and resolution of inoperative cruise control caused by a recent OEM software change. Remedy instructions are found in the OEM service literature.