Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB230088
Jun 29, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue fuel leakage between fuel pump flange and fuel pump gasket.
ATC2666A
Jun 29, 2023
060000 ENGINE AND ENGINE COOLING
This ATC is being issued to replace B6.7G CMOH6.0 E5 cylinder head in certain King Long buses operating in Mexico that could present low cylinder compression due to valve or valve seat leakage. This ATC authorizes approved service locations
ATC2662A
Jun 29, 2023
060000 ENGINE AND ENGINE COOLING
This ATC-Campaign is being issued to address Speed Indicator Ring (tone wheel) cap screw failures. This document authorizes Cummins Certified Repair Locations to proactively replace the Speed Indicator Ring cap screws.
ATC2711
Jun 27, 2023
060000 ENGINE AND ENGINE COOLING
This ATC is being issued to address interference between rocker lever cover and injectors due to residual material on certain X12 certified engines. The residual material on rocker lever cover may lead to progressive damage to injectors or
SB_637
Jun 26, 2023
060000 ENGINE AND ENGINE COOLING
Technical Service Bulletin issued by Cummins to Pierce and subsequently provided to Pierce dealers. A Fault Code 241 for the vehicle speed sensor is leading to customer complaints that vehicle speedometer maxes our or reads inaccurately.
TSB230089
Jun 24, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of replacing the old part nos. with new New Main Bearing, Thrust Bearing, and Connecting Rod Bearing Part Numbers that are more robust.
TSB230127
Jun 21, 2023
117110 ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT
This Technical Service Bulletin describes the verification and resolution of issue of Fault Code 241 for vehicle speed sensor leading to customer complaint that vehicle speedometer maxes out or reads inaccurately.
TSB150099
Jun 19, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of ADEPTa?? technology is a set of electronic features including SmartTorque2 and SmartCoasta??, Predictive Gear Shifting, Predictive Engine Braking, On-ramp
TSB190115
Jun 16, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of Navistar truck dashboard odometer showing incorrect value under certain conditions. When electronic control module (ECM) is replaced or the ECM is ROM boo
C2705
Jun 15, 2023
060000 ENGINE AND ENGINE COOLING
This Campaign is being issued to address the occurrence FC 4713 on select engines. This field action authorizes certified repair locations to recalibrate the engine control module (ECM) with an older calibration revision.
TSB230103
Jun 8, 2023
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of issue of certain voltage regulator PN A071S740 missing a current limiting feature that may cause voltage regulator overheating issues.
ATC2702
Jun 8, 2023
060000 ENGINE AND ENGINE COOLING
This ATC is being issued to provide coverage for Labor and Travel to support fuel pump replacements on certain HCE B6.7 engines.
C2622
Jun 6, 2023
060000 ENGINE AND ENGINE COOLING
This campaign enables authorized repair locations to recalibrate the Engine Control Module on certain X15 CM2350 x114B and X116B engines to the latest revision. This calibration update may improve the performance of the aftertreatment and t
TSB230114
May 31, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of fuel line replacement if they are damaged.
TSB230112
May 31, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of a Power Distribution Element (PDE) fuse error that will activate fault codes 12167, 12168, 12169, 12171, 12172, 12173, or 13727 and PDE end of life error
TSB190143
May 25, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of fault codes FC323, FC332, FC322, FC331, FC324, FC325. This is an update to the previously submitted communication.
TSB190165
May 24, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of fault codes 1866, 3361, 3382, 3383, 3389, 7232, 7233 and/or 4729. This is an update to the previously submitted communication.
TSB230109
May 23, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of fault code 559 to eliminate the Hard start issue.
TSB230102
May 22, 2023
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of issue of a population of PowerPact L 250-600A Molded Case Circuit Breakers (MCCB) may contain a nonconforming component in the mechanism that may result in the cir
TSB230104
May 18, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of Fault code FC 2198. This is an update to the previously submitted communication.
TSB230105
May 17, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of issue of battery cable melting due to contact with exhaust pipe by adding two additional P clamps.
TSB220156
May 16, 2023
060000 ENGINE AND ENGINE COOLING
This Technical Service Bulletin describes the verification and resolution of engine run time that continues to accumulate even though the engine has stopped running.
TSB210167
May 16, 2023
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of on certain generator sets that use control boards PCC2300V2, PCC3300V1 or PCC3300V2 might experience an issue where the L-L voltage and/or L-N voltage is a non-zer
CMI-05152023
May 15, 2023
060000 ENGINE AND ENGINE COOLING
This is a representative communication from the manufacturing plant to customers regarding potential fuel Accumulator leakage.
TSB220144
May 15, 2023
110000 ELECTRICAL SYSTEM
This Technical Service Bulletin describes the verification and resolution of certain population of ComPact NSX 400-630A and EasyPact CVS 400A-630A Molded Case Circuit Breakers (MCCB) supplied by Schneider may contain a??a nonconforming comp