Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
CMI-K9M4D-02
Jan 16, 2021
350000 EQUIPMENT
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with incorrect flywheel capscrew torques on certain X15 engines. The engine plant pursued corrective actio
CMI-P4S8X-02
Jan 15, 2021
350000 EQUIPMENT
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with incorrect flywheel capscrew torques on certain X15 engines. The engine plant pursued corrective actio
TSB210008-011220
Jan 12, 2021
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of broken exhaust gas temperature sensors caused by improper removal.
TSB210004-010620
Jan 6, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of additional instances of engine misfire Fault Codes 5895, 5896, 5897, 5898, 5899, 5911, or 5914 caused by increased sensitivity of the misfire diagnostics.
TSB200246-122220
Dec 22, 2020
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of misfires and fault codes caused by a stuck open oil control valve plunger causing the engine brake to stay on.
TSB200249-122120
Dec 21, 2020
100000 POWER TRAIN
This Technical Service Bulletin describes the verification and resolution of Fault Code 2349 caused by poor OEM power supply or return connections.
TSB200245-121820
Dec 18, 2020
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution of exhaust gas temperature fault codes that will not clear after repairs are made.
ATC2394
Dec 17, 2020
060000 ENGINE AND ENGINE COOLING
This Account Team Coverage is being issued to address leaks from aluminum oil cooler on certain L9N CM2380 L124B engines. This field action authorizes certified repair locations to replace the aluminum oil cooler with a stainless steel oil
C2142
Dec 16, 2020
070000 FUEL SYSTEM, GASOLINE
This Field Action authorizes certified repair locations to update the engine calibration on certain L9 CM2450 L126B engines to address potential Exhaust Gas Recirculation fouling.
C2389
Dec 14, 2020
060000 ENGINE AND ENGINE COOLING
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
C2379
Dec 10, 2020
030000 BRAKES (PWS)
This campaign is being issued to recalibrate the Engine Control Module (ECM) on certain X15 CM2450 engines. The campaign enables authorized repair locations to calibrate the engine control module (ECM) to the latest revision. This calibrati
C2390
Dec 10, 2020
030000 BRAKES (PWS)
This In-Shop Campaign is being issued to recalibrate the Engine Control Module (ECM) on certain X15 CM2450 engines. The campaign enables authorized repair locations to calibrate the engine control module (ECM) to the latest revision when th
ATC2326A
Dec 8, 2020
350000 EQUIPMENT
This Account Team Coverage is being issued to address heat exchanger main support bracket mounting hardware failures on certain CM2350 L116B engines. This ATC authorizes the replacement of current mounting hardware with grade 10 bolts. This
TSB200235-120420
Dec 4, 2020
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the resolution of unexpected fault codes logged after engine control module (ECM) calibration code update.
C2386
Nov 24, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Campaign is being issued to replace valve springs on certain B Series engines.
TSB200219-112420
Nov 24, 2020
063130 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
This Technical Service Bulletin describes the release of new thermal recirculation valve designed to improve air recirculation, reduced fuel gelling, reduced filter plugging and allows for the upfit to extended life filters.
T2387
Nov 24, 2020
060000 ENGINE (PWS)
This Temporary Repair Practice is being issued to provide supporting coverage for progressive damage on certain B Series engines due to valve spring failures.
T2259
Nov 19, 2020
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This Temporary Repair Practice provides for retroactive coverage of customer billable repairs completed by Cummins authorized repair locations prior tothe release date of this field action. This action specifically applies to Engine Control
T2258
Nov 19, 2020
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
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
T2257
Nov 19, 2020
350000 EQUIPMENT
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 System Outlet
T2256
Nov 19, 2020
350000 EQUIPMENT
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 Outle
T2255
Nov 19, 2020
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
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 Turbocharger
C2036
Nov 19, 2020
060000 ENGINE (PWS)
This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 455hp or higher with an improved SCR Catalyst.
T2254
Nov 19, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
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
TSB200222-111720
Nov 17, 2020
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This Technical Service Bulletin describes the verification and resolution of Predictive Cruise Control (PCC) SPN520225/FMI 19 Fault immediately following engine control module (ECM) calibration download on a PACCAR? chassis.