Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB210270-121020
Dec 10, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of Predictive Cruise Maximum Negative Offset and/or Predictive Cruise Maximum Positive Offset not responding to adjustments made on INSITE? electronic service tool.
TSB210266-121020
Dec 10, 2021
063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
This Technical Service Bulletin describes the verification and resolution of closed crankcase ventilation (CCV) breather assembly lower bearing corrosion, damage, and/or debris not allowing the CCV motor to achieve functional speed.
CMI-12072021-A
Dec 7, 2021
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement calibration campaign.
CMI-12072021-B
Dec 7, 2021
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement calibration campaign.
TSB210264-120620
Dec 6, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of incorrect tuning of the knock sensor circuit in the ECM calibration code which may cause an active in inactive Fault Code 572 and/or 575.
TSB210187-120220
Dec 2, 2021
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This Technical Service Bulletin describes the verification and resolution of a combination of one or all DEF header fault code(s) 3868, 4572 and/or 4677. Due to DEF header part shortages, an ECM calibration is being released that reduces in
C2389B
Nov 30, 2021
060000 ENGINE (PWS)
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
T2521
Nov 30, 2021
060000 ENGINE (PWS)
This TRP is being issued to update the high voltage battery inlet temperature sensor on certain BES CM0904 EV 104B units. The temperature sensor is not IP67 rated and may allow water to leak into the connectors and corrode. This TRP authori
TSB210258-112920
Nov 29, 2021
114400 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
This Technical Service Bulletin describes the verification and resolution of unseated connector pins with the low voltage junction box which may cause execessive heating and circuitry issues.
TSB210263-112920
Nov 29, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of incorrect vehicle speed priority settings in engine control module (ECM) calibrations. This may mean that the driver is not be able to set the Maximum Cruise Contr
TSB210259-112920
Nov 29, 2021
114400 ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
This Technical Service Bulletin describes the verification and resolution of coolant intrusion into the high voltage junction box, through the wiring harness connections, which may cause various fault codes to activate and may disable the v
C2516
Nov 16, 2021
111100 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
This campaign is being issued to address BlueBird Priority Start Module replacement. This Campaign authorizes certified repair locations to replace the Priority Start Module and the adjacent input and output 2/0 cables on certain BES CM090
TSB210239-111120
Nov 11, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of a potential external coolant leak at base coolant fitting located on top of the cylinder head due to incorrect assembly process.
ATC2344C
Nov 11, 2021
060000 ENGINE (PWS)
This Account Team Coverage is being issued to address leaks from aluminum oil cooler, on certain ISL G CM2180 or L9N CM2380 L124B engines. This field action authorizes certified repair locations to replace the aluminum oil cooler with a sta
TSB210032-110820
Nov 8, 2021
060000 ENGINE (PWS)
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. This
TSB210054-110820
Nov 8, 2021
060000 ENGINE (PWS)
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
TSB210235
Oct 26, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of oil pan gasket leaks due to damage during installation caused by misalighnment with the block capscrews and oil pan.
TSB210225
Oct 15, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of Fault Codes 322, 332 and 325 possibly due to exess flash from the molding process that can interfere with the injectors or injector wiring harness.
Emission
Oct 8, 2021
060000 ENGINE (PWS)
This is a representative Owner Letter to communicate an emissions recall. The engine(s) are potentially eligible for an Emissions improvement calibration campaign.
TSB210219
Oct 8, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of external oil leak from the oil pan flange due to one or more oil pan capscrews that may be under torqued or loose torque through normal operation.
TSB210216
Oct 7, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of confusion during troubleshooting due to high voltage connections that may be accidentally plugged into the wrong locations within the high voltage junction box. Th
TSB210187
Sep 30, 2021
060000 ENGINE (PWS)
This Technical Service Bulletin describes the verification and resolution of a combination of one or all DEF header fault code(s) 3868, 4572 and/or 4677. Due to DEF header part shortages, an ECM calibration is being released that reduces in
T2488
Sep 28, 2021
060000 ENGINE (PWS)
This Temporary Repair Practice is being issued to address certain PACCAR (Kenworth and Peterbilt) vehicles with Diesel Exhaust Fluid (DEF) header sensor failures in which DEF header replacement parts are not available. Due to DEF header par
C2498
Sep 28, 2021
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to replace the engine dataplate(s) on certain L9 CM2350 L116B engines, specifically select PACCAR PX9 units. The dataplates on eligible engines were printed with valve lash settings that are difficult to read d
TSB210203
Sep 27, 2021
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of repeated plugging of suction side fuel filter prior to required maintenance interval.