Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
C2111
Jun 13, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISB CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria. For MY2013 thru MY2014 engines that qualify fo
T2084C
Jun 13, 2019
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice authorizes certified repair locations to upfit certain ISB and ISL CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst. MY2013 thru MY2014 engines that qualify, a new wiring harness an
TSB1900910613201
Jun 13, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of fault codes 125, 222, 2191, 2973 and/or low power, white smoke, engine misfire, aftertreatment performance complaints as caused by incorrect pressure/ temperature
C2110
Jun 13, 2019
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
C2115
Jun 13, 2019
060000 ENGINE AND ENGINE COOLING
This field action authorizes certified repair locations to upfit certain ISB CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst, if the engine meets certain criteria. For MY2013 thru MY2014 engines that qualify fo
T2146
Jun 13, 2019
060000 ENGINE AND ENGINE COOLING
This Temporary Repair Practice is being issued to address System Outlet NOx Sensor failures on certain ISB6.7 CM2350 engines. This TRP authorizes certified repair locations to replace the System Outlet NOx Sensor if fault codes or troublesh
TSB1900170611201
Jun 11, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of high number of inactive counts of fault code (FC) 7125 as caused by engine control module (ECM) calibration code issue leading to FC7125 appearing after a power do
TSB1900890610201
Jun 10, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the new coolant thermostat housing seal implemented for heavy duty platforms. The material of the coolant thermostat seal was changed from brass to stainless steel. A more robust stainless steel des
C2014B
Jun 7, 2019
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address contamination and liquid impingement that can cause NOx sensor fault codes 3545 and 1887 in certain X15 CM2350 X114B/X116B powered chassis. This Campaign authorizes certified repair locations to clea
C2015B
Jun 7, 2019
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address contamination and liquid impingement that can cause NOx sensor fault codes 3545 and 1887 in certain X15 CM2350 X114B/X116B powered chassis. This Campaign authorizes certified repair locations to clea
TSB1800470606201
Jun 6, 2019
080000 FUEL SYSTEM, DIESEL
This Technical Service Bulletin describes the verification and resolution of Diesel exhaust fluid (DEF) dosing unit heater elements becoming discolored caused by chemical reactions between DEF and the aluminum housing. The DEF dosing valve
TSB1801520604201
Jun 4, 2019
353000 EQUIPMENT:ELECTRICAL
This Technical Service Bulletin describes the verification and resolution of a relay causing intermittent communication issue to the Human Machine Interface display.
CMIC3W8E06
May 30, 2019
060000 ENGINE AND ENGINE COOLING
This is a representative communication sent to multiple OEMs from Cummins regarding an issue of oil weeping from the pipe plug in the lubricating oil filter head due to an ovality in the threads.
TSB110181-052420
May 24, 2019
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
TSB150099-052320
May 23, 2019
100000 POWER TRAIN
This Technical Service Bulletin announces the availability of Advanced Dynamic Efficient Powertrain Technology (ADEPT technology) on select Cummins engines. This is an update to a previously submitted communication.
TSB190085-052120
May 21, 2019
092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
This Technical Service Bulletin describes the verification and resolution of engines utilizing the Bosch? VE, VP-14 or VP-30 ReCon? fuel injection pump with complaints of no start, low power, engine stall, and/or engine shutdown. An inspect
TSB150057-051720
May 17, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of water intrusion that may cause the malfunction of the aftertreatment outlet NOx sensor resulting in Fault Code 1887, 3583 or 3545 on certain aftertreatment configu
TSB140061-051420
May 14, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of repeated external oil leaks from the lubricating oil pan and lubricating oil pan gasket for the same engine serial number (ESN), or multiple ESNs in the same appli
TSB190074-050920
May 9, 2019
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of a new design water pump is not compatible with Western Star chassis charging system alternator bracket. The water pump is unable to be mounted with existing altern
TSB190072-050820
May 8, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution to the driver may be able to exceed the Maximum Accelerator Speed Limit set in INSITE electronic service tool when in ECO mode. The Agility ECO Mode broadcast vehicle
TSB170004-050720
May 7, 2019
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head
TSB170002-050720
May 7, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head
ATC1980B
May 3, 2019
070000 FUEL SYSTEM, GASOLINE
This Account Team Coverage is being issued to upgrade certain ISX15 CM2350 High Pressure Fuel Pump Tappets. This field action provides authorization for certified repair locations to replace the brass roller pin tappets in the high pressure
TSB190059-050320
May 3, 2019
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of water pump belt squeal or jump on front end accessory drive. A shorter water pump drive belt was introduced to increase belt tension, reduce belt squeal, and belt
TSB180058-042920
Apr 29, 2019
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of belt noise and/or damage on certain engines installed in Tiffin Recreational Vehicles. Insufficient belt wrap around the air compressor pulley may result in belt