Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
ATC2413
Mar 24, 2021
030000 BRAKES (PWS)
This Account Team Coverage is being issued to address Diesel Particulate Filter plugging concerns on certain X12 CM2350 X119B engines. The ATC enables authorized repair locations to calibrate the engine control module (ECM) to the latest re
TSB200110-031920
Mar 19, 2021
061560 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
This Technical Service Bulletin describes the verification and resolution of Engines operating in a low load and high idle duty cycle may experience elevated lubricating oil consumption and/or fault codes associated with high EGR temperatur
TSB210062-031920
Mar 19, 2021
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of damaged starter O-rings that may be cut or damaged when installing the starter into the flywheel housing.
CMI-031821-C
Mar 18, 2021
030000 BRAKES (PWS)
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with water intrusion in oil pressure switches causing corrosion and presenting a fault code on certain B6.7
ATC2410
Mar 18, 2021
030000 BRAKES (PWS)
This Account Team Coverage is being issued to address past or active instances of timeout errors and/or aborts during Selective Catalytic Reduction Performance Test (SPT2) on certain ISX15 CM2350 engines. This ATC authorizes certified repai
valve
Mar 16, 2021
060000 ENGINE (PWS)
Multimodel (eqluipped with idle cointrol valve) High engine idle speed Some customers may complain about a high engine idle speed. A stuck open idle air cointrol valve (IAC) may be the cause.
TSB150196-031620
Mar 16, 2021
010000 STEERING
This Technical Service Bulletin desribes the troubleshooting steps to diagnose natural gas leaks into the engine cooling system. Many natural gas fuel systems use engine coolant to warm the natural gas high pressure regulator and/or heat
TSB210060-031620
Mar 16, 2021
280000 BACK OVER PREVENTION
This Technical Service Bulletin describes the verification and resolution of an incorrect parameter to monitor exhaust manifold pressure. The parameter is not available using the recommended Cummins? electronic service tool or equivalent.
CMI-031521-A
Mar 15, 2021
095100 FUEL SYSTEM, OTHER:KINETIC:FLYWHEEL,BEARINGS
This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with flywheel torques on certain B6.7 engines. The engine plant pursued corrective action with affected OE
TSB210050-031120
Mar 11, 2021
061500 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
This Technical Service Bulletin describes the verification and resolution of a lubricating oil leak at rear of cylinder head caused by a broken seal bead.
C2053D
Mar 11, 2021
350000 EQUIPMENT
This field action authorizes certified repair locations to upfit certain ISX12 CM2350 engines with an improved Selective Catalytic Reduction (SCR) Catalyst. For the MY2013 engines, a calibration update will be required. This is an update to
TSB100025-030920
Mar 9, 2021
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin informs the field of an issue causing fuel pump leaks on Bosch common rail fuel systems. High fuel inlet and fuel drain line restrictions can lead to an external or internal fuel leak from the fuel pump. It
C2347A
Mar 9, 2021
350000 EQUIPMENT
This In-Shop Campaign is being issued to address dipstick failures in certain X15 CM2350/CM2450 engines. This document authorizes certified repair locations to provide customers with a new dipstick and file a claim. This is an update to a p
TSB200182-030820
Mar 8, 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.
TSB1700085-03082
Mar 8, 2021
070000 FUEL SYSTEM, GASOLINE
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
TSB210055-030420
Mar 4, 2021
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the availability of new high-pressure injector supply lines, fuel supply line, and fuel supply line braces when an existing component within the fuel system may be malfuctioning.
TSB210054-030420
Mar 4, 2021
061520 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN
This Technical Service Bulletin describes the verification and resolution of false occurrences of Fault Code 555 or 556 when the Fault Code 555 or 556 is active or has more than one inactive count within the last 25 engine operating hours d
TSB210058-030920
Mar 4, 2021
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of engine wiring harness issues on J1939 datalink that are causing datalink related fault codes 1894, 2771, 3232, 3868, 3911, 4151, 4152, 4572, 4677, or 6688.
TSB210053-030320
Mar 3, 2021
350000 EQUIPMENT
This Technical Service Bulletin describes the verification and resolution of Fault Code 286, which will activate at each key ON for a few seconds before going inactive. Fault code 286 will clear with the recommended Cummins? electronic serv
TSB190165-030220
Mar 2, 2021
070000 FUEL SYSTEM, GASOLINE
This Technical Service Bulletin describes the verification and resolution to address soot deposits in the intake air connection exhaust gas entrance ports that affects Exhaust Gas Recirculation flow measurements. This is an update to a prev
TSB200116-030220
Mar 2, 2021
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of units experiencing fault codes while operating at lower ambient air temperatures 0?C [ 32?F ]. This is an update to a previously submitted communication.
TSB210041-022620
Feb 26, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of leaking air compressor coolant line grommets due to deterioration. This may lead to passage of the coolant around the grommet.
TSB200162-022620
Feb 26, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of coolant found in lubricating oil pan, or lubricating oil found in radiator or top tank caused by cylinder block porosity. This is an update to a previously submitt
TSB210023-022520
Feb 25, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the appropriate way of choosing the correct exhaust gas recirculation temperature sensor with replacement of the main egine wiring harness.
TSB180095-022520
Feb 25, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulleting describes the verification and resolution of the diesel exhaust fluid (DEF) system becoming contaminated with debris. DEF tanks are cleaned and DEF dosing units or intake lines are flushed or even replaced,