Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,196 bulletins for CUMMINS
TSB120060-120513
Jan 24, 2014
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF CERTAIN MALFUNCTIONS DUE TO INCORRECT SWITCH INPUT WIRING ON SOME ENGINES. CERTAIN ENGINE CONTROL MODULE SWITCH INPUTS, SUCH AS THE POWER TAKE-OFF (PTO)/ACCELERAT
130175
Jan 6, 2014
060000 ENGINE (PWS)
ENGINES INSTALLED IN VOLVO VNL CHASSIS ARE EXPERIENCING FAULT CODE 3375 OR 3376. 05/19/2014*LJ.
ITS-5536
Dec 26, 2013
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
NEW FLYER: INFORMATION PROCEDURAL REGARDING EXHAUST FLEX CONNECTOR REPLACEMENT, IN BUSES, AND THE CLEANING , INSPECTION OF DIESEL PARTICULATE FILTER (DPF) AT VARIOUS INTERVALS. MODEL ISL, ISB. *PE
T1413
Nov 5, 2013
060000 ENGINE (PWS)
THIS CAMPAIGN ADDRESSES ACCESSORY DRIVE BELT ISSUES CAUSED BY FRONT END PULLEY SYSTEM MISALIGNMENT ON CERTAIN ENGINES INSTALLED IN GILLIG TRANSIT BUSES. THE RUBBER DAMPER IS BEING REPLACED BY THE VISCOUS DAMPER AND WILL IMPROVE PULLEY SYST
TRP-T-1413
Nov 5, 2013
060000 ENGINE (PWS)
CUMMINS: DUE TO FRONT END PULLEY SYSTEM MISALIGNMENT OF ACCESSORY DRIVE BELT, THE VISCOUS DAMPER IS REPLACING THE RUBBER DAMPER, WHICH WILL IMPROVE PULLEY SYSTEM ALIGNMENT. MODEL ISL CM2350. NO MODEL YEARS. *PE
C1419
Oct 29, 2013
110000 ELECTRICAL SYSTEM
WARRANTY CAMPAIGN ECM CALIBRATION AND ENABLE THE ELECTRIC FUEL LIFT PUMP ON ISX12, ISX15, AND CM2350 VEHICLES. *LJ
TSB-130154
Oct 22, 2013
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CUMMINS: THE DEF PUMP CONNECTOR GROUND WIRING WAS INCORRECTLY PINNED FROM ORIGINAL EQUIPMENT MANUFACTURER (OEM) FACTORY, ON CERTAIN TRUCKS. 2013 PETERBILT LEGACY (367, 386, 388, 389). *PE
TSB-130155
Oct 22, 2013
113200 ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY
CUMMINS: THE RELAYS AND FUSES OF AFTERTREATMENT SYSTEMS, IN WIRING HARNESS, IS POTENTIALLY NOT ADEQUATELY SECURED VIA ORIGINAL EQUIPMENT MANUFACTURE (OEM) AND HAVE WIRE RUBBING POINTS, RELAY DAMAGE OR RUB POINTS. *PE
TSB130154-102213
Oct 22, 2013
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ADDRESSES ACTIVE OR INTERMITTENT OCCURRENCES OF FAULT CODE 3596 IN PETERBILT LEGACY (367, 386, 388 AND 389) MODELS. GROUND WIRING AT THE DIESEL EXHAUST FLUID (DEF) PUMP CONNECTOR HAS BEEN INCORRECTLY PINNED
TSB130155-102213
Oct 22, 2013
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN RAISES FIELD AWARENESS AND DESCRIBES CORRECTIVE ACTION FOR PETERBILT 320, 386, 587 AND MEDIUM DUTY CHASSIS BATTERY BOX HARNESS ISSSUES. DAMAGE TO COMPONENTS WITHIN THE BATTERY BOX HAS RESULTED IN HEATED DEF
C1395
Oct 18, 2013
060000 ENGINE (PWS)
THIS CAMPAIGN AUTHORIZES CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE ENGINE CONTROL MODULE (ECM) AND CLEAN THE EXHAUST GAS RECIRCULATION (EGR) VALVE, CONNECTION TUBE AND EGR DELTA PRESSURE PORTS ON CERTAIN ENGINES IN CONVENTIAL DRIVE TRAN
TSB-130140
Oct 2, 2013
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CUMMINS: THE FAULT CODE 3911 AND CHECK ENGINE LAMPS ILLUMINATES DUE TO VOLTAGE TO AMMONIUM HYDROXIDE NH3 SENSOR AND IS DIPPING BELOW 9 VOLT SPECIFICATION FOR SENSOR. *PE
TSB130140-100213
Oct 2, 2013
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN ADDRESSES FAULT CODE 3911 IN CERTAIN ENGINES INSTALLED IN PETERBILT 320 CHASSIS. THE ROOT CAUSE IS RELATED TO THE VOLTAGE TO THE AMMONIUM HYDROXIDE NH3 SENSOR DIPPING BELOW THE 9 VOLT SPECIFICATION, CAUSING
TSB120299-091813
Sep 18, 2013
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF BELT SHREDDING ON SOME ENGINES. ENGINE BRAKE ENGAGEMENT WHILE THE TRANSMMISSION IS IN THE NEUTRAL CONDITION CAN CAUSE SLACK BETWEEN THE FAN HUB AND CRANKSHAFT, AL
TSB-130127
Aug 28, 2013
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CUMMINS: WHEN FUEL CONTROL VALVE PART (#3933841) IS REPLACED WITH NEW FUEL CONTROL VALVE PART (#4997684), ENGINE STALLS, HAS UNSTABLE IDLING AND/OR IDLE SURGE, NEW PART NOT COMPATIBLE WITH CALIBRATIONS OLDER VERSIONS.
TSB130127-081913
Aug 28, 2013
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE TROUBLESHOOTING AND REPAIR STEPS TO CORRECT SYMPTOMS OF UNSTABLE IDLE, IDLE SURGE AND STALLS IN CERTAIN ENGINES AFTER A FUEL CONTROL VALVE IS REPLACED. AN ENGINE CONTROL MODULE CALIBRATION CODE
WC-C-1395
Aug 20, 2013
060000 ENGINE (PWS)
CUMMINS: INFORMATION PROVIDED REGARDING LOCATIONS TO CLEANING OF EGR VALVE, EGR DELTA PRESSURE PORTS AND CONNECTION TUBE AND CALIBRATION OF THE ECM IN CONVENTIONAL DRIVE TRANSIT APPLICATION. *PE
C1387
Aug 13, 2013
060000 ENGINE (PWS)
THIS CAMPAIGN ADDRESSES FAULT CODE 3569 OCCURRENCES ON CERTAIN AFTERTREATMENT SYSTEMS THAT MAY LEAD TO FAILED DIESEL EMISSIONS FLUID (DEF) DOSING VALVES IN TRANSIT BUS APPLICATIONS. THE REROUTING OF COOLANT LINES TO THE DOSING VALVE HAS BE
TSB-130-113
Aug 8, 2013
060000 ENGINE (PWS)
CUMMINS: TO VERIFY THE FIRST 50 HOURS OF ENGINE RUN TIME OF CALIBRATION AND SCR COMPATIBILITY, THE SELECTIVE CATALYST REDUCTION (SCR) TEMPERATURE SENSOR MODULE MUST HAVE COMPATIBLE AFTERTREATMENT DIAGNOSTIC THAT RUNS CONTINUOUSLY. MODEL
TSB130113-072913
Aug 8, 2013
060000 ENGINE (PWS)
THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 4585 BECOMING ACTIVE AFTER A CALIBRATION OF THE ENGINE'S ENGINE CONTROL MODULE (ECM). THIS IS CAUSED BY THE ENGINE NOT HAVING A COMPATIBLE AFTERTREATME
C1388
Aug 2, 2013
060000 ENGINE (PWS)
THIS CAMPAIGN ADDRESSES FAULT CODE 3569 OCCURRENCES ON CERTAIN AFTERTREATMENT SYSTEMS THAT MAY LEAD TO FAILED DIESEL EMISSIONS FLUID (DEF) DOSING VALVES IN TRANSIT BUS APPLICATIONS. THE REROUTING OF THE DEF SUPPLY LINE AND COOLANT LINES TO
WC-C1387
Aug 2, 2013
060000 ENGINE (PWS)
CUMMINS: ISL9 AFTERTREATMENT SYSTEMS THAT LEAD TO FAILED DEF DOSING VALVES IN TRANSIT APPLICATIONS, IS BY REROUTING OF COOLANT LINES TO DOSING VALVE HAS BEEN DETERMINED TO REDUCE FC 3569. MODEL ISL, ISLE3, QSL9. NO MODEL YEARS LISTED.
WC-C1388
Aug 2, 2013
060000 ENGINE (PWS)
CUMMINS: ADDRESSING THE AFTERTREATMENT SYSTEM LEADING TO FAILURE OF DEF DOSING VALVES IN TRANSIT BUS APPLICATIONS AND REROUTING OF DEF SUPPLY LINE AND COOLANT LINES TO DOSING VALVE HAS BEEN DETERMINED TO REDUCE FC 3569. MODELS ISL, ISLE3
T1379
Jul 19, 2013
060000 ENGINE (PWS)
THIS TEMPORARY REPAIR PRACTICE ADDRESSES FAULT CODE 3569 OCCURRENCES ON ENGINES IN ALL PETERBILT VEHICLES WITH A PARTICULAR EXHAUST/AFTERTREATMENT CONFIGURATION. THIS ACTION WILL MITIGATE FAILURES CAUSED BY UREA CRYSTALLIZATION INSIDE THE