It includes over 200 specific fault codes with descriptions of issues related to sensors, injectors, transmission, and other engine components. Each code is accompanied by a detailed description, potential causes, and recommended troubleshooting steps. Quantity. The genset control will discontinue cranking if the genset does not start within 30 seconds and will cause the status indicator light to blink Fault Code No. Note : These ECM calibrations will only address DEF header sensor malfunctions that are logging one or combination of DEF header fault code(s) 3868, 4572 and/or 4677. pdf - Free download as Word Doc (. Let all oil drain from the en-gine and then secure the drain plug. Click the Restore button, and browse to the template databases. Root Cause: • Prolonged condensate drips from the overhead air conditioning condenser line causes the corrosion of the variable geometry turbocharger (VGT) actuator connector interface. when the Water-In-Fuel (WIF) sensor is activated. pdf) or read online for free. ” This digital document serves as an indispensable guide for fleet operators, technicians, and vehicle owners alike, offering a detailed compendium of fault codes specific to the Cummins X15 engine. com/qs3/pubsys2/xml/en/tsb/2015/tsb150187 Remove the air filter and restart the genset. 2 hours – Carburetor Insulation Installation Parts: Reimbursement for 1 duct and 1 carburetor insulation is allowed A combination of one or all DEF header fault code(s) 3868, 4572 and/or 4677 are logged. DESCRIPTION This document will guide the user to Cummins TSB information regarding High Number of Inactive Counts of Fault Code 7125 SYMPTOMS Aug 15, 2021 · Disable the fault code. Service Information Document : Cummins Inc. This document lists Euro VI fault codes, including the fault code number, warning/stop lamp indication, MIL activation, driver warning system activation, SPN number, FMI code, fault description, OBD type and class. txt), PDF File (. 3L-ISC-350HP, CM554, Serial # 46321341, with 73,000 miles and a CAPS fuel system. 5 QSF 3. Not a big deal until you consider the distance between the dash and ECM. ive to ordering the silicate fluid, contact:Silicate Fluid Order Program P. Subject: Fault Codes for Cummins QSB & Tier III Engines Created Date: 10/19/2021 1:09:06 PM 258-t06-3545 - Free download as PDF File (. pdf - Free download as PDF File (. Factory-trained Parts and Service representa-tives are ready to handle all your service needs. Spin off the oil filter canister and clean the filter mounting surface on the engine block. Fault Code 151 - Free download as PDF File (. pdf), Text File (. Feb 12, 2022 · On 3/19/2022 at 4:14 AM, jleamont said: Those and parked regen switch’s are usually only 2-3 wires pinned into the ECM. 0 hours – Air Circulation Troubleshooting 99-999: 0. Tighten 1/2 to 3/4 of a turn. Conditions for Clearing the Fault Code The fault code will always be inactive at key ON. 8, Upload Data Symbol New BHM Software for Switch Expansion Module Fault SPN Cummins Diesel Error Codes - Free download as PDF File (. Hovering over this symbol will provide the Fault Code description. The document provides information about fault code 146 related to the coolant temperature sensor circuit for Cummins engines. Access QuickServe Online to get information specific to your Cummins engine, including: your owner's manual, the parts catalog for your engine serial number, engine dataplate information for your engine. Any Fault Code selected will be available in Dodge Cummins Diagnostic Trouble Codes. Key points include: - Fault code 374 indicates a potential issue with the VP44 fuel pump that could trigger the check engine light. 1 3080759 Rocker Adjusting Screw 6 3066 57 Hex jam nut 6 3 3106042 crosshead assembly 6 4 307397 Electrical connector 5 3073974 Electrical connector (d/L) Before disassembly, wipe dirt from the cover and the upper portion of the air cleaner. shot (FC 2639, 1921, 1922) that engine was idling or in PT. Cummins Generator Fault Code 441 what “LOW BATTERY” means. the correct calibration ECM base code compatible with the new SCR catalyst for each Fault Code. For vehicles built before September 23, 2013, inspect connector 1027 - ECM Battery Feed. It will come on solid when the starter disconnects, indicating that the genset is running. AdvancedDataContainerResources_EN. 4. P000F FUEL SYSTEM OVER PRESSURE RELIEF VALVE ACTIVATED. Verify that the fault code is no longer active. 7 series, 6 cylinder, in-line 4 stroke, radiator cooled engine Full Authority Electronic Engine Well designed air handling system with — Dry type, Replaceable paper element air cleaner with restriction indicator — Air to air aftercooler — Optimised turbocharger for increased altitude capabilities. ResolutionIn Shop Recommendation:Follow the published troubleshooting for the high soot load fault codes (2639, 1921 and 1922) present in Run the engine until warm, stop it and remove the oil fill cap (Figure 3-1). 2 DTC 27. It describes the coolant temperature sensor's purpose of monitoring engine coolant temperature for engine protection, timing Disconnect connector P1 (black) from generator set controller and check continuity between Pin 11 and terminal S5+ and between terminal S5- and B- (ground). Click on result “License Configuration Tool” to start. INSITE performs engine diagnostics and displays electronic engine information on your PC. Cum mins Generator Fault Code 1117 what “ECM POWER LOST” means. Feb 22, 2017 · AdvancedDataContainerResources_EN. Error codes commonly encountered in a Cummins Power Generator Cummins N14 Fault Codes - Free download as PDF File (. Check for leaks at the hose, tube, and pipe fittings in the fuel supply system while the generator set is running and while it is stopped. In addition to diagnostic codes, the manual Here are all the Cummins ISX codes available for the Cummins ECM. •Note: Fault Code Nos. ISX Fault Codes List- Cummins ECM - Free download as Text File (. Cummins engines are renowned for their reliability and durability, but even the best engine can develop faults. 111 Electronic Control Module Critical Internal Failure - Bad Intelligent Device or Component. Cummins® QSB6. bj Cummins Engine Diagnostic Fault Codes for 2003 and later engines (generally for 2004 and later Alpines; see page 13 for earlier engine diagnostic codes): Note: This information obtained from internet sources and not verified- use at your own risk!!!! ISL & ISC Codes 0-100 Just select your engine to see descriptions of each fault code for your particular Cummins ECM. Beside each Fault Code there is a question mark symbol. xml 17010INSITE was unable to detect a required component. 115 Engine Magnetic Speed/Position Lost Both of Two at the nearest Cummins/Onan distributor for assis-tance. This document provides a list of fault codes for the Cummins ECM (Electronic Control Module) on Celect systems. Bulletin 4971518 Printed in U. 2-SE3635 Description EGR Position Feedback Value In Range Low Monitor Execution Continuous Typical Monitoring Duration Tmax ≤ 15 sec Title: Cummins X15 Fault Code 7125 Applies To: X15 CM2350 X114B CHANGE LOG Please refer to the change log text box below for recent changes to this article: 05/17/2019 ‐ Initial Article Release. , Box 3005, Columbus, IN 47202-3005 U. Cummins QSB & Tier III Engine Fault Codes Author: E. doc), PDF File (. Use the recommended Cummins® electronic service tool or equivalent to find the current ECM code Cummins diagnostic trouble codes list for ISX, ISF 2. The status indicator light on the switch flashes while cranking. 5 CM2350 FC 3741 - Free download as PDF File (. Use the recommended Cummins® electronic service tool or equivalent to find the current ECM code Jun 16, 2021 · Action • Use the recommended Cummins® electronic service tool or equivalent to read the fault codes. Spin off the oil filter and thoroughly wipe off the filter mounting surface. This document contains a list of Cummins fault codes, including the SPN J1939 code, FMI code, lamp color, device, and description for each fault. 5 hours time. To validate the repair, start and idle the engine for 1 minute. Aug 11, 2022 · Cummins/Paccar engine, to connect to the truck you may need the Cummins Insite software or the David 4 software in order to connect. After the user enters all of the fault codes, then the Fault Code 433 - Free download as PDF File (. Restoring Fault Code Blinking – The fault code stops blinking after five minutes (15 minutes, Series HGJAA). Cummins-Engine-Fault_codes - Free download as PDF File (. This document provides troubleshooting steps for fault code 286 related to J1939 datalink multiplexing on a Cummins engine. Cummins Generator Fault Code 448 what “INTAKE MANIFOLD TEMP HIGH” means. The document contains a list of error codes related Cummins | A Global Power Technology Leader d new pictures and added connectors 9253 and 9260. Spin the new filter on until the gasket just touches the block. Attaching Parts. Engine has a DEF header malfunction and replacement is not available. . abnornal rate of change. A. Dept. Cummins Generator Fault Code 442 what “HIGH BATTERY” means. No. The ECM determines that the voltage signal of the temperature sensor in the intake manifold exceeds the calibrated limit set in the ECM. Make sure the gasket is in place on the new fil-ter and apply a thin film of clean oil to the gas-ket. Alternatively, some AUX 101 inputs can be assigned specific input functions instead of a fault code. Cummins N14 fault codes. Fail Code: OF CU ID Account Code: 65 Authorization Code: 3375 Applicable SRT's: 00-901: 0. This document provides information about fault code 151 related to the coolant temperature sensor circuit on Cummins engines. Cummins Generator Fault Code 1131 what “BATTLE SHORT ACTIVE” means. Troubleshooting might have been exhausted and DEF system might perform well in the shop. 5 hours – Duct Installation 99-999: 0. ©2015 Cummins Inc. It also notes that separate fault code lists This document provides a summary of diagnostic codes for Cummins engines, including: - The diagnostic codes are organized by Suspect Parameter Number (SPN) and Fault Mode Identifier (FMI) to help isolate potential problems. Knowing Cummins fault codes is essential to diagnosing and fixing any problems with your Fault Code 365 - Free download as PDF File (. Remove the gasket if it does not come off with the filter. Copy the database backups to your C:\LM\backup\ folder. Technical documents on QuickServe. FC1656: Engine Misfire Cylinder 3 - Condition Exists. Apply a film of oil to the new filter gasket and spin the new filter on by hand until the gasket just touches the mounting pad. 12-August-2021 PAGE 4 OF 478 378677 . Feb 10, 2023 · The Complete Cummins Fault Code List. The document Fault Code 431 - Free download as PDF File (. Remove the old gasket if it remains. docx), PDF File (. If the fault code does not return, no further troubleshooting is required. Check ECM Calibration Revision History. Pull the end cover (4) away from the housing (1). 4 hours – Administrative Time 99-999: 2. Every diesel vehicle built since 1996 has an OBD II computer system that monitors and identifies issues. The fault code status displayed by INSITE™ electronic service tool will change to INACTIVE immediately after the overtreat the coolant with silicate fluid. ISX Fault Code List - Free download as Word Doc (. Follow procedure 006-075. 376546 . 0. ISB Codes - Truck Application (Non - Dodge / Chrysler) ISB Codes - Dodge Cummins Applications. Multiple aftertreatment diesel exhaust fluid (DEF) dosing units might have been replaced but fault code 1682, 3574, or 3596 occurrences persist. The Fault code number starts with “fc” (short for fault code): Example of how to identify the procedure for Cummins Fault Code “122” (fc122). P0030 O2 SENSOR 1/1 HEATER CIRCUIT OPEN. Cummins Fault Code 3545 •Fault Code(s) 1715 (SPN 3364 FMI 11), 4277 (SPN 3364 FMI 10), 3867 (SPN 3364 FMI 18), 4842 (SPN 3364 FMI 15), 6765 (SPN 3521 FMI 16), 6766 (SPN 3521 FMI 18), 6767 (SPN 3521 FMI 31) See Resolution section below for fault code being diagnosed. Box 27388 Houston, TX 77277-7388 Phone: 800-346-9041 Fax: 800-876-5317 For further details and discussion of engine coolant for Cummins engines, refer to Cummins Coolant Re. Information to Have Ready Before calling for service, have the following infor-mation Fault Code 374 - Free download as PDF File (. Test high exhaust temperature switch S5 and replace as necessary. FC1658: Engine Misfire Cylinder 5 - Condition Exists. of Defense,1983 National Electrical Code National Fire Protection Association,2007 Presents the latest electrical regulation code that is SA 0 SAE Diagnostic Trouble Codes and Cummins Fault Codes SAE J1939 SPN SAE J1939 FMI Lamp Color MIL Lamp Status J1939 SPN/FMI Description Fault Code Cummins Description 2013 ISX15 2013 ISX12 2013 ISL9 2013 ISB6. With step-by-step diagnostics, built-in engine drawings and schematic diagrams, working with INSITE is easy. To contact your local Cummins Power Generation distributor in the United States or Canada, call 1-800-888-6626 (this automated service utilizes touch-tone phones only). txt) or view presentation slides online. by pouring fuel in the center hole (clean side). If the fault code does not become active again, the repair has been validated. Aug 15, 2021 · Disable the fault code. 8 QSG12 111 629 12 Red Controller #1 Engine Control Module Critical Internal Failure - Bad intelligent device or component XXXXXX 115 612 2 Red System Diagnostic Code #2 Cummins_Fault Code List - GCE May 2015_VELA_060718 - Free download as PDF File (. Tip! Ensure you read every single word in the troubleshooting steps to avoid Cummins Fault Code - Free download as Word Doc (. Drain water from the fuel filter daily. Using this software application will reduce troubleshooting time, errors and incorrect procedures and quickly get your vehicle back on the road again. Download free Cummins generator fault codes list pdf SA 0 SAE Diagnostic Trouble Codes and Cummins Fault Codes SAE J1939 SPN SAE J1939 FMI Lamp Color MIL Lamp Status J1939 SPN/FMI Description Fault Code Cummins Description 2013 ISX15 2013 ISX12 2013 ISL9 2013 ISB6. 7 108 4 None Solid Barometric Pressure Voltage Below Normal, Or Shorted To Low Source 222 Barometric Pressure Sensor Circuit - Voltage Cummins Fault Codes Secuence - Free download as PDF File (. voltage below normal or shorted low. launching. Specification Before troubleshooting this fault code, troubleshoot any fault code that is active or has more than one inactive count within the last 25 engine operating hours from the following list: • Turbocharger: 1894, 2636 Linked Close the drain valve. 2-SE3635: EGR Valve Position - Data Erratic, Intermittent, or Incorrect Monitor Summary: DTC 27. D. Sep 13, 2023 · One such crucial resource for maintaining and troubleshooting the Cummins X15 engine is the “Cummins X15 Fault Code List PDF. When changing the engine mounted fuel filter, never pre-fill. The acknowledgment and warning lights associated an additional 2 wires per light. These functions have a variety of effects and vary by controller. erratic/incorrect data signal. The issue is difficult to reproduce and is not able to be duplicated in a road test. 3 and 4 are first level faults. The coolant level sensor monitors engine coolant level and reports it to the ECM. It includes faults related to the crankcase blow-by pressure circuit, EGR valve nd Install, Procedure 011-036 of Service anual 4310641 (ISX15 CM2350 X101). Locate the vehicle battery box. Cummins ISX Fault Code List 10/24/2019 Fault Codes 322, 323, 324, 325, 331, and 332 Generated By Metallic Debris on Injector https://quickserve. 8, ISB, ISC, ISLe, 4ISBe, 6ISBe, ISDe, ISM, QSM, QSX engine control units Cummins Engines PDF Service Repair The manual covers a wide range of diagnostic codes specific to Cummins engines, including fault codes related to engine performance, emissions, fuel system, electrical components, and more. Recommended procedure is to install filter dry and turn the key switch on and off 3-4 times and allow the priming pump fault codes become active. 1142. CELECT - Free download as (. Fault Code 286 - Free download as PDF File (. 9. Check flexible fuel hoses sections for cuts, cracks, abrasions, and loose hose clamps. The fault occurs when the ECM is set up to receive information from multiplexed switches from one or more VECUs but is only The Cummins Fault Codes for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, and QSK78 engines manual is an indispensable resource for anyone working with these Cummins engines. Symptom: • Fault codes 1894, 2387, 1897, 6432, 5177, 2198, 1976, 1938, 2635, 4956, 4957. For Windows 7 or 10 users, Type “license” into search bar of Start menu. CM power and ground wires and inspect the connections. DEF tank might have been cleaned but problem persists. This document provides instructions for choosing which fault code to troubleshoot, beginning with any active fault codes and prioritizing those with the highest counts, then looking at inactive codes if it's not the first complaint or those with over 10 counts. 7 QSL 9 QSX 15 QSB 4. O. Cummins ISX Codes 111-500. 9/15 cumminsengines. Connect Fault Codes list for Cummins QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 Engine, fault codes PDF 195 - Free download as PDF File (. 7 102 18 Amber Solid Engine Intake Manifold #1 Pressure Data Valid But Below Normal Operating Range - Moderately Severe Level 125 Once at the Fault Code Analyzer screen, the user needs to enter all active fault codes and any inactive fault codes with two or more counts that have been logged in the last 25 engine hours. correct DEF is used, Cummins recommends the use of Fleetguard® Diesel Exhaust Fluid or any DEF that meets ISO22241 specifications. FC1655: Engine Misfire Cylinder 2 - Condition Exists. Replace the generator set controller. Section “TF”: Troubleshooting Fault Codes Open Section “TS” to follow troubleshooting steps for Fault Codes. Later diagnosis shows Fault Codes 277 (Stator), 539 (Suppressor Diode), and 111 (ECM) My 2004 Itasca Horizon 40AD has a 2003 Cummins 8. Lift the latch (3) and turn the end cover (4) counterclockwise. rtf), PDF File (. These Cummins trouble codes pertain to ISX engines built with the EGR system, but pre-DPF (2002 - 2006). Avoid interpreting them as second-level Fault Code Nos. Torque the plug to 21 lbs-ft (27 N-m) and secure the cover. Remove the air filter element (2) from the housing (1). By selecting Option 1 Mar 31, 2018 · When the input is active, the fault is active. indd 2 9/17/15 10:24 AM Engine. Outside North America If you are outside North America, call Onan Corpo-ration at 1−5000 from 7:30 AM to763−574 4:00 PM, Central Standard Time, Monday through Friday, or fax 1−763−528−7229. Once the fault code is entered, Fault Code Analyzer Tool will display the fault code description. Jun 19, 2024 · Here's latest Cummins generator fault codes list including fault codes 781, 2972, 1845, 1448, 1312, 1464, 2676, 2545. Resolution •Reference Navistar Fault Code Action Plan (FCAP) for individual fault codes. Clicking on the symbol will provide the Fault Code overview. txt) or read online for free. Open LonMaker for Windows from the Start Menu by choosing Start Programs Lon-Maker for Windows, or you can use the short-cut icon on the desktop. Varies by operating system. Note: The previous owner replaced the CAPS-Accumulator in 2009, at 45,000 miles, and Cummins-Billings, MT charged 5. ) cBRAKE BY JAcOBS™ PARTS MANUAL fOR cUMMINS M11/M11 PLUS ANd ISM ENgINES 3. Root Cause: Field Repair for Model 320 (2013) Cummins Fault Code #3911, Ammonia Sensor Communication (Reference: P94-6281, P92-8990, and 16-08196) 1. For Windows 8 users, type “license” while Start screen is open. when the fault was triggered. P/N Description. Fault Codes 1921, 1922, 1981, and/or 2639 active or has more than one inactive count within the last 25 engine operating hours. It empowers technicians with the knowledge and instructions necessary to diagnose, repair, and maintain these engines effectively, ensuring their International 3200, 4100, 4300, 4400, 7300, 7400, 7500, 7600, 7700, 8500, 8600 fault code list (PDF) Download DISPLAYING DIAGNOSTIC TROUBLE CODES The ability to display diagnostic trouble codes (DTC) is an optional feature. Engine Attg. Follow the prompts to restore the database. Etnyre & Co. voltage above normal or shorted high. Parts content and service documents available by engine serial number or engine family. If a symptom has been entered into the free text search box, a list of Fault Codes is displayed. The document describes troubleshooting steps for fault code 431 related to the idle validation switch (IVS) circuit on a Cummins engine. FC1657: Engine Misfire Cylinder 4 - Condition Exists. 3. FC1659: Engine Misfire Cylinder 6 - Condition Exists. Root Cause: Error: The signal from the intake manifold temperature sensor indicates that it is above the warning limit of the engine protection system. ISB4. ion and SCR Catalyst Compatibility must be checked after replacing the SCR. (A fogger coats the in-take, cylinder and exhaust systems with a pro-tective coat of oil. 33 and 44, which have not been assigned as fault codes. While the genset is running, spray an engine fogger (OnaGardTM) into the carburetor, follow-ing the instructions on the container label, and then stop the genset. 0 1. Fault triggered when engine speed was at or below 1200 rpmMak. he unit has been idling and the time in PTO operation. voltage below normal or open circuit. 5 Table 1, OWL VMRS Codes and Labor Allowance 10/01/2019 f120593 Fig. Remove cover and install terminated wires (16 gauge, GXL insulation preferred) with appropriate ring terminals per the picture in figure #1 below. - Over 100 diagnostic codes are listed along with the associated SPN, FMI, diagnostic code description, and fault code. Software downloads, licensing information, issues and solutions and access to technical support for users of INSITE Fault Viewer. DESCRIPTIONIf experiencing multiple faults related to the Aftertreament, DEF, or SCR on a vehicle with a Cummins ISX 15L, locate the. Cummins Generator Fault Codes List Neal Glover,Trent Dudley Federal Acquisition Regulation United States. Cummins ISX Fault Codes - Free download as PDF File (. From the Windows Start Screen or Start Menu. The document provides troubleshooting steps for fault code 374 related to the VP44 fuel pump on a Cummins engine. Associated Fault Codes 2771, 3232, 3868, 4151, 4572, 4677, 6688 Root Cause: Misfire(s) Fault Codes: FC1654: Engine Misfire Cylinder 1 - Condition Exists. The codes cover many engine systems and sensors Fault Code 5655: SCR System Test Failing NOx Sensors on Low Hour Aftertreatment Systems F a u lt C o d e 5 6 5 5 : S C R S yst e m Te st F a ilin g N O x Cummins ISX Engine Fault Codes 111-500 111 Electronic Control Module Critical Internal Failure - Bad Intelligent Device or Component 115 Engine Magnetic Speed / Position Lost Both of Two Signals - Data Erratic, Intermittent, or Incorrect 122 Intake Manifold 1 Pressure Sensor Circuit - Voltage Above Normal, or Shorted to High… OWL VMRS Codes and Labor Allowance Primary Failed Part Component Code Cause Code SRT Code Description Time: Hours BHM Software Update 037-001-001 23 32A-5036A UPDATE BHM SOFTWARE FOR SEM FAULT 6918/7 0. Operate the engine within the "Conditions for Clearing the Fault Code" found in the Overview section of the troubleshooting procedure. 3 About AUX 101 Outputs Each AUX 101 We are a authorized Cummins dealer, call us for diesel parts: OBD-II Check Engine Light Trouble Codes for the Cummins below: P0008 ENGINE POSITION SYSTEM PERFORMANCE BANK 1. The document describes troubleshooting steps for fault code 433 related to the intake manifold pressure sensor circuit on Cummins engines. cummins. When the input is inactive, the fault is inactive, though the fault might have to be reset. QuickServe Online is your complete reference for Cummins parts and service information on the Cummins Isx Fault Codes. Remove the oil drain hole cover in the base, place a pan underneath and unscrew the drain plug (Figure 3-2). xml 17009INSITE was unable to detect a required component. excessive black smoke detected. If the level gets too low, engine power and speed will be reduced and it may shut down. ISC & ISL Fault Codes- CAPS Fuel System (before 2003) ISC & ISL Fault Codes- HPCR Fuel System (2003 and later) ISM Codes - Engines before 2002 (no EGR INSITE. Fault Code 235 - Free download as PDF File (. Press Stop three times within five sec-onds to restore blinking. Parts Group 411. On-Board-Diagnostic (OBD) trouble codes are one way your vehicle communicates with a mechanic. Cummins fault codes indicate a malfunction has occurred in one or more of the vehicle’s components. Close the drain valve. com DEF 100% DEF 100% DEF 100% DEF 100% 353697_Cummins_4971518. It provides a table with over 300 individual fault codes pertaining to specific engine sensors and components. Fault code 235 indicates a problem with the coolant level sensor. oem transmitted pedal fault. The document lists Cummins ISX engine fault codes for models before 2002. While you are looking up your nearest Cummins Power Generation distribu-tor. Keep your generator running smoothly with expert advice. Note : For ISX15 CM2350 product only, ECM Calibra. Use the Calibration Selection Tool referenced in TSB130099 to select. P0016 CRANKSHAFT/CAMSHAFT TIMING MISALIGNMENT – BANK 1 SENSOR 1. If Fault Code 1921, 1922, 1981, and/or 2639 return, complete the remainder of the troubleshooting steps. Resolution Fault Code 146 - Free download as PDF File (. Discover What Every Cummins Service Shop Already Knows. Cummins Tier 4 Fault Codes Fault Code J1939 SPN J1939 FMI Lamp J1939 SPN Description Cummins Description QSB 6. Repair wiring and connectors as necessary. S. Make sure the fuel line does not rub against other parts of the vehicle or generator set. Issue. Multiple J1939 aftertreatment component fault codes at first engine start of the day after engine cold soak. QuickServe Online contains parts and service information for over 15 million Cummins engine serial numbers. doc / . 5. px vh tu di cq fo nh nb fl dt