Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
CMI-X8G2J-06
May 5, 2020
118000 ELECTRICAL SYSTEM:SOFTWARE
This is a representative owner letter to communicate a product improvement software calibration campaign for the Cummins B6.7 CM2350 Model Year 2017 to 2018 engines.
CMI-Z9T8T-06
May 1, 2020
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This is a representative Owner Letter to communicate an emissions recall. The enigne(s) are potentially eligible for an Emissions improvement calibration campaign and a Selective Catalytic Reduction (SCR) campaign.
CMI-K6Z8G-06
May 1, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This is a representative Owner Letter to communicate an emissions recall. The enigne(s) are potentially eligible for an Emissions improvement calibration campaign and a Selective Catalytic Reduction (SCR) campaign.
CMI-2QY9U-06
May 1, 2020
060000 ENGINE (PWS)
This is a service bulletin describing variations in torque needed to ensure proper installation and sealing to the lube head for lube filter LF14000NN.
T2234B
Apr 28, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Temporary Repair Practice 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 appl
T2233B
Apr 28, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Temporary Repair Practice 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 appl
T2232B
Apr 28, 2020
060000 ENGINE (PWS)
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically applies to VGT Actuator
T2172C
Apr 28, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior to June 30, 2017. This action specifically applies to Exhaust Gas Recirculation Valve repla
TSB200102-042720
Apr 27, 2020
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This Technical Service Bulletin describes the verification and resolution of active Fault Code 1682 or 3574; DEF dosing unit not running when the DEF System Leak Test is run due to high resistance in the OEM harness causing voltage dropout.
TSB200094-042320
Apr 23, 2020
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of intermittent loss of communication between VGT actuator and engine ECM at nominal voltage of 24-volt for 24-volt applications at early key-on of engine. The electr
T2162C
Apr 21, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations. This action specifically applies to Exhaust Gas Recirculation Cooler replacements as result of C
T2160C
Apr 21, 2020
060000 ENGINE (PWS)
This Temporary Repair Practice provides for retroactive coverage of 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
IK1201447
Apr 20, 2020
060000 ENGINE AND ENGINE COOLING
Cummins B6.7 Injector Short Circuit - CM2350 and CM2450.
TSB140061-040220
Apr 20, 2020
060000 ENGINE (PWS)
The ISC/QSC CM850/CM2150/CM2250/CM2350, ISL G CM2180, and ISL/QSL CM850/CM2150/CM2250/CM2350 product lines offer multiple lubricating oil pan options that vary the orientation and mounting hardware. The lubricating oil pan option is selecte
TSB200024-042020
Apr 20, 2020
061320 ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Technical Service Bulletin describes the verification and resolution of early life turbocharger failures after a new service turbocharger has been installed, the vehicle is moved outside and put into a DPF regeneration state. During,
TSB200034-042020
Apr 20, 2020
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This Technical Service Bulletin describes the verification and resolution of Diesel Exhaust Fluid Doser overheating due to hot engine air around the Dosing units. This issue is specific to one OEM's specific chassis and the resolution is b
TSB160055-041720
Apr 17, 2020
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Technical Service Bulletin describes the verification and resolution of customer concerns with vehicle powertrain robustness or has experienced powertraincomponent malfunctions when launching the vehicle from a stop. The SmartAccel? fe
ATC2287A
Apr 17, 2020
060000 ENGINE (PWS)
This Account Team Coverage is being issued to authorize certified repair locations to re-calibrate the engine control module on certain ISX12/ISX11.9 CM2250 engines installed in certain customer vehicles that have campaign C2052 open. This
ATC2286A
Apr 17, 2020
060000 ENGINE (PWS)
This Account Team Coverage is being issued to authorize certified repair locations to re-calibrate the engine control module on certain ISX12/ISX11.9 CM2250 engines installed in certain customer vehicles that have campaign C2052 open.
TSB200089-041520
Apr 15, 2020
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of a high voltage DC/AC inverter has a safety decal in a foreign language. The new safety decal, Part Number 5598436, is released but can not be ordered. Service Engi
TSB200096-042120
Apr 12, 2020
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This Technical Service Bulletin describes the verification and resolution of aftertreatment air assisted dosing units and aftertreatment nozzles are being replaced as a result of internal buildup of DEF crystals, but with proper troubleshoo
TSB200097-041220
Apr 12, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of engine stumble at low driving speeds when coming to a stop. Recalibration of the ECM is needed to resolve the issue.
TSB200082-040920
Apr 9, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of instances of engine stumbling issues experienced by the customer while accelerating from standstill condition.The fuel pump actuator could be sticky and behave err
TSB200085-040820
Apr 8, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of C275D2RE generator sets with a QSL9 engine are not able to manually regenerate. This is due to an issue in the current calibration, the target temperature for dosi
TSB200084-040820
Apr 8, 2020
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
This Technical Service Bulletin describes the verification and resolution of Fault Code 442 ? Battery Voltage High displayed on the generator set display with a properly functioning charge alternator. This is due to the high battery voltag