Cummins code 2639

The N14 Cummins is a diesel engine manufactured by the American company Cummins. The N14 was an engine that had a lot of different uses, from powering trucks and mining equipment t...

If the aftertreatment diesel particulate filter is being replaced due to black smoke, and the exhaust stack is found to have heavy black soot accumulation, clean the last 152 to 254 mm [6 to 10 in] of the exhaust system outlet.This fault code. This fault code can be triggered if the application is not operating at a duty cycle high enough to regenerate the aftertreatment DPF. This fault code. Skip to content. whatsapp +51955515985; [email protected]; 24/7 Customer Support;Cummins ISB 6.7 Fault Codes. Fault Code 111. Electronic Control Module Critical Internal Failure. Bad Intelligent Device or Component. Fault Code 115. Engine Magnetic Speed/Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect.Summary: FORD 2013 & 2015 F-650, F-750: BULLETIN INFORMATION INVOLVING VEHICLES EQUIPPED WITH A 6.7L CUMMINS DIESEL ENGINE WITH HYDRAULIC BRAKES WILL EXHIBIT CHECK ENGINE LIGHT ILLUMINATION. *LJ. Communication Number: 44863, Date: 2015-07-01.Completed the egr tuneup with a new egr delta P sensor. Still have code 2639 active and the DPF light on the dash. I took it for a drive and the light went out for a mile or 2 but came back on. I found in my code scanner where I can see DPF delta P and it shows Peak Soot Filter Delta P 0.74 PSI. RE: CM 871 Code 2639, DPF won't clean. I did the test found on quickserve using fleet guard coolant test strips mixed with soot from the egr cooler outlet, it is supposed to change color if there is coolant in the soot . I have a baseline of distilled water, 2 samples of soot mixed with 25ml distilled water, and then a sample of the coolant ...

Fault Code: 1921. PID: S324. SPN: 3251. FMI: 0/16. LAMP: Amber. SRT: Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid but Above Normal Operational Range - Moderately Severe Level. The soot load of the aftertreatment diesel particulate filter has exceeded the recommended limits.CODES: Fault Code: 1981. PID (P), SID (S): S324. SPN: 3936. FMI: 0/15. Lamp: Amber. REASON: Aftertreatment Particulate Filter Differential Pressure - Data Valid but Above Normal Operational Range - Least Severe Level. The aftertreatment differential pressure has exceeded the. maximum operating limits or the diesel particulate filter is …It had several codes, 3382 (EGR data below normal), 2639 (DPF differential pressure above normal), 1866 ( EGR differential pressure erratic). I put the truck in a regen and that seemed to get rid of the 2639. ... 1866 code. Cummins 6.7 ISB, brand new dpf, SCR, egr, egr cooler, egr diff pressure sensor, dpf pressure sensor, cleaned intake horn ... Be the first to review “Cummins ISX12 CM2250 (2010-12) Fault Code: 2639 (X) PID: SID 324 SPN: 3251 FMI: 15 Aftertreatment Diesel Particulate Filter Differential Pressure- Data Valid But Above Normal Operating Range- Least Severe Level” Cancel reply We have a customer with a 2010 M2 business class freightliner with engine #73012266 ISC Cummins it keeps getting code 2637/2639/1921 of course when 2637 occurs it stop you from doing a roadside regen & derates the engine,we had the ECM update, the DPF has been baked out twice, the catylist once, ran functional test on …

Apr 15, 2020 · Fault Code: 2637. Lamp: does not come on with this fault. Aftertreatment 1 Diesel Oxidation Catalyst Face Plugged - Root Cause Not Known. The front face of the aftertreatment diesel oxidation catalyst has been detected to be plugged with soot which could cause. Possible reduced engine performance. Just select your engine to see descriptions of each fault code for your particular Cummins ECM. ISB Codes - Truck Application (Non - Dodge / Chrysler) ISB Codes - Dodge Cummins Applications. ISC & ISL Fault Codes- CAPS Fuel System (before 2003) ISC & ISL Fault Codes- HPCR Fuel System (2003 and later) ISM Codes - Engines before …How to troubleshoot codes 3232,3714,2321 and 2771 cummins isb 6.7 2012Cummins ISB6.7 CM2150 (2007-09) Fault Code: 2639 PID: SID 324 SPN: 3251 FMI: 0 Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But …Fault Code: 4214. PID: Not Mapped. SPN: 5018. FMI: 1/18. LAMP: Amber. SRT: Aftertreatment 1 Diesel Oxidation Catalyst System - Data Valid But Below Normal Operating Range - Moderately Severe Level. None on performance. Active aftertreatment diesel particulate filter regeneration will be disabled.

Craftsman rear tine tillers.

Nov 18, 2019 · Conditions For Clearing The Fault Code. The “Reset All Faults” command in the recommended Cummins electronic service tool or equivalent can be used to clear active and inactive faults, as well as extinguish the MIL for OBD applications. Shoptalk. Possible causes of this fault code include: Malfunctioning fuel injectors. Fault Code: 2639 The Indianapolis-based venture studio High Alpha has created a new business line called High Alpha Innovation to bring its startup spin-up approach to big business. So far the firm...active Fault Code 1981 or Fault Code 1922 and is contaminated with coolant, ... cleaning tool approved by Cummins Inc. Consult the Service Tool Instruction, Bulletins 3400284 and 3400253, for ... In situations where Fault Code 1981 is active and Fault Codes 2639, 1921, and 1922 are not active, it isFault Code: 1921. PID: S324. SPN: 3251. FMI: 0/16. LAMP: Amber. SRT: Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid but Above Normal Operational Range - Moderately Severe Level. The soot load of the aftertreatment diesel particulate filter has exceeded the recommended limits.Download and support for the digital fault code troubleshooting manual, includes fault codes, ... Cummins Emission Solutions Aftertreatment: FIS4960729.chm: HS CM2250 Power System: FIS4961207.chm: Hybrid PECM CM5190: FIS4961207.chm: INSITE Integrated Simulator - Single Module: FIS4961207.chm: ISB:

This fault code indicates that the exhaust temperatures exiting the turbocharger are not high enough to actively regenerate the soot that is trapped in the aftertreatment DPF. It may be necessary to increase the duty cycle of the application in order to prevent plugging of the aftertreatment DPF. Component Location. Jan 4, 2023 · 2016 freightliner Vin : 1fvacvdu1hhhz1827. Active Codes 3375 1691 2639. Reoccurring codes. Dpf scr doc professionally cleaned. Went to dealer - they suggested cleaning system. Still have codes. Please … read more Cummins ISB 6.7 Liter EGR code repair. See the full write up here https://www.mechanicshub.com/toolbox/cummins-isb-engine-code-egr-valve/. Go here for the la...You would need to check the wiring to the turbo speed sensor. In most cases the sensor has failed. Worst case is the turbo is binging inside and not allowing full rotation and speed output of the turbo wheel. Ensure the ecm calibration is current as some revisions may also help to correct this fault. Turbocharger 1 Speed - Abnormal Rate of …With SIMs you can keep the DPF deleted if you get bungs welded into tour new exhaust. RaceME tuners will show up in the forum classifieds which can save you a few buck over buying new. Heck mine might be on there in a couple weeks after vacation. Greg. 2012 CCSB Big Horn 4x4 68RFE 3.73.Nov 3, 2018 · This fault code indicates that the aftertreatment diesel particulate filter has exceeded the recommended limits of soot load and requires regeneration. The engine aftertreatment system monitors the soot load in the filter and the aftertreatment differential pressure sensor. The lamp will be illuminated and flash as the severity of the soot load increases. 2010 kenworth t800 cumminsHas check engine light on and also speed guage not working..Fault code 2639 fmi n/a Fault code 241 fmi n/a Spn 84 fmi 9 All above codes are activeFollowing codes are inactive … read moreCummins ISX 79301999 Fault 2639 Has differential pressure sensor. ... I have two codes for my 09 peterbuilt with a cummins isx one is a son 3251 fmi 0 the other is a ...Diagnostic Fault Codes For Cummins Engines Applies to Engine Models QSB T2, QSC T2, QSL T2, QSM11, QSX15, QSK19, QSK23, QST30, QSK45/60/78 Note: These fault codes are current at date of publication. Always refer to engine service manual for the latest information related to engine diagnostics and troubleshooting.Truck passed dyno. However, Cummins reported that it threw an aftertreatment code during the dyno. They did a parked regen and that cleared the code. We drove the truck back from Cummins and reported that it was again asking for a parked regen. Any idea what the problem might be? Thanks!Cummins 2016 ISX15 code 3375 is active along with 2639 and 2764 inactive - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. ... 2764 2639 codes showed up along with low coolant non active also low voltage on my left turn signal ...I got a kW truck with a cummins ism cm876 with an active 2639 code (esn 35221436), and its saying dpf diff pressure - Answered by a verified Technician. ... I am having trouble with code 2639 returning after I have completed 4 parked regens. I have replaced the dpf psi sensor. I have replaced doc temp sensor.

international 8600 cummins engine code spn 647 main problem fan is not engaging when a/c compressor kicks on only engaging at 200 to 210 engine temp make a/c head pressure shoot thru the roof ... 2639, 1921, 2754. I tried to region truck and the aftertreatment injector would not turn on ...

Cummins engines fault codes list ... circuit.Messages sent from OEM VECUs or transmission ECUs are received by the Cummins® ECM and used for controlling the engine. The Cummins® ECM and OEM VECU(s) must ... Fault Code: 6339 PID: SPN: 96 FMI: 9 Fuel Level 1- Abnormal Update Rate. Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 6339 PID: SPN: 96 FMI: 9 Fuel Level 1- … 11/21/2019 Exhaust Gas Recirculation (EGR) System Differential Pressure Sensor Incorrect Installation: Fault Codes 3361, 3389, 3382 and 3383 https://quickserve ... Cummins ISX Engine Fault Codes(Codes 501-999) 546 Fuel Delivery Pressure Sensor Circuit - Voltage Above Normal or Shorted to High Source. 547 Fuel Delivery Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source. 555 Crankcase Pressure - Data Valid But Above Normal Operating Range - Moderately Severe Level. Fault Codes CUMMINS GTA38 K38 K50 QSK38 QSK50/60 CM850 (97) Fault Codes CUMMINS Signature ISX QSX15 CM570 (94) Caterpillar Electronic Technician (90) Diesel Engine Software (90) ALLISON Transmission (59) Fault Codes CUMMINS ISB ISBe QSB4.5 QSB5.9 QSB6.7 ISC QSC8.3 ISL ISLe QSL9 CM850 (CM2850) (52) CUMMINS …Cummins ISX15 CM2250 (2010-12) Fault Code: 2639 (X) PID: SID 324 SPN: 3251 FMI: 15 Aftertreatment Diesel Particulate Filter Differential Pressure- Data …May 3, 2024 · Joined: Jul 2016. 2009 KW T660--ISX Cummin fault codes 2637. I recently had the DPF filter cleaned on my 2009 KW T660. Occasionally we get a check engine light coming on-it stays on no more than an hour-than the DPF filter light will come on and the engine light goes off. The DPF filter light stays on anywhere from a few seconds up to 40 minutes. Fault Information System (FIS) is a downloadable version of the fault code troubleshooting manual. It provides information about fault codes, procedure numbers to perform repairs, and step by step troubleshooting on the engine. Nov 3, 2018 · This fault code indicates that the aftertreatment diesel particulate filter has exceeded the recommended limits of soot load and requires regeneration. The engine aftertreatment system monitors the soot load in the filter and the aftertreatment differential pressure sensor. The lamp will be illuminated and flash as the severity of the soot load increases.

Kwik trip merrill wi.

How to make a supressor.

summary: this technical service bulletin describes the verification and resolution of fault code(s) 1883, 1921, 1922, 1981, 2639, 3135 and 3168 caused by incorrect orientation of the aftertreatment diesel particulate filter (dpf) differential press . communication number: tsb140117-121814, date: 2014-12-19 category: 060000 engine (pws)Be the first to review “Cummins ISB6.7 CM2350 (2013-17) Fault Code: 2639 PID: SID 324 SPN: 3251 FMI: 15 Aftertreatment Diesel Particulate Filter Differential Pressure- Data Valid But Above Normal Operating Range- Least Severe Level” Cancel replyFault Code: 4214. PID: Not Mapped. SPN: 5018. FMI: 1/18. LAMP: Amber. SRT: Aftertreatment 1 Diesel Oxidation Catalyst System - Data Valid But Below Normal Operating Range - Moderately Severe Level. None on performance. Active aftertreatment diesel particulate filter regeneration will be disabled.Oil consumption rate exceeding the maximum allowable limit. A ftertreatement diesel particulate filter (DPF) frequent regeneration [fault codes 3375, 3376, 2639, 1921, 1922, and 5383]. Oil degradation and filter plugging [low oil pressure fault codes 143 or 415]. If equipped, variable geometry turbocharger actuator sticking [fault code 2387].Yes I use insite, here are my codes for the latest problem child.3382 active,3375 active, 1921 active, 3383 inactive 1 count, 1866 inactive 1 count, 2639 inactive 18 counts. This is after 1 day use, I ran two regens and cleared codes before all this. Phone call session started. Technician: Mike Mcmillan.Validation. Connect all components. Connect the recommended Cummins® electronic service tool or equivalent. Disable the fault code. Operate the engine within the "Conditions for Clearing the Fault Code" found in the Overview section of the troubleshooting procedure. Verify that the fault code is no longer active.Code breakers are people who use logic and intuition in order to uncover secret information. Learn more about code breakers and how code breakers work. Advertisement Information is...Mar 27, 2017 · Here is for the 3375 code. Possible causes of this fault code include: Malfunctioning aftertreatment temperature sensor (s) Malfunctioning or stuck in-range aftertreatment DPF pressure sensor. An engine malfunction resulting in high engine out smoke. Damaged or malfunctioning OEM wiring harness to the differential pressure sensor. ….

Apr 15, 2020 · Fault Code: 2637. Lamp: does not come on with this fault. Aftertreatment 1 Diesel Oxidation Catalyst Face Plugged - Root Cause Not Known. The front face of the aftertreatment diesel oxidation catalyst has been detected to be plugged with soot which could cause. Possible reduced engine performance. SAE - 5321 - Condition exists SPN 5321 31. Possible causes of this fault code include: Malfunctioning aftertreatment temperature sensor (s) Malfunctioning or stuck in-range aftertreatment DPF pressure sensor. An engine malfunction resulting in high engine out smoke. Damaged or malfunctioning OEM wiring harness to the differential pressure sensor. 331236b1-c31c-4a5d-8517-4a6171be9646_682-fc2639 - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Codigo de falla PACCAR PX-9 CM2350 (2013-17) Fault Code:2639 PID:SID 324 SPN:3251 FMI:15 Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Least Severe Level ... This is a maintenance procedure only and is not covered by Cummins Inc. warranty. Note: Repeated occurrences of this fault code may ...2015 freightliner 3AKJGEBG3FSGU9922 cummins isx15. trouble shooting for these two codes. codes 3712 fmi 0 3714 fmi 31 truck is derated and are the only two codes active. the other codes inactive are, … read moreMicrosoft-owned GitHub is developing a new tool that will allow developers to code with their voice inside the Copilot pair-programmer. GitHub is working on a new tool that will al...We have a customer with a 2010 M2 business class freightliner with engine #73012266 ISC Cummins it keeps getting code 2637/2639/1921 of course when 2637 occurs it stop you from doing a roadside regen & derates the engine,we had the ECM update, the DPF has been baked out twice, the catylist once, ran functional test on …dpf sensor wiring diagram | delta pressure sensor wiring diagram | fault code 1922, 1921, 2639 | majoka auto tech | ajay majokaRespected Viewer,In this video...Follow these steps: Examine the engine control module (ECM) for Fault Codes 1921, 1922, 1981, 3375, and 3376. If these fault codes are active, move to Step 2. Determine the truck build date. If the truck was built in September, October, November, or December of 2013, proceed to Step 3. If not, follow the published troubleshooting trees.Yes I use insite, here are my codes for the latest problem child.3382 active,3375 active, 1921 active, 3383 inactive 1 count, 1866 inactive 1 count, 2639 inactive 18 counts. This is after 1 day use, I ran two regens and cleared codes before all this. Phone call session started. Technician: Mike Mcmillan. Cummins code 2639, Truck has had issues with the dpf diff pressure throwing codes 2639. ... We have a customer with a 2010 M2 business class freightliner with engine #73012266 ISC Cummins it keeps getting code 2637/2639/1921 of course when 2637 occurs it stop you from doing a roadside regen ..., 2013 freightline m2 code 2639. Engine had inframe rebuilt turbo code is new. 2013 freightliner cummins 6.7 isb - Answered by a verified Technician. We use cookies to give you the best possible experience on our website. ... 1921 active code Cummins isb 6.7 Code. I replaced the DOC., Be the first to review “Cummins ISB6.7 CM2350 (2013-17) Fault Code: 2639 PID: SID 324 SPN: 3251 FMI: 15 Aftertreatment Diesel Particulate Filter Differential Pressure- Data Valid But Above Normal Operating Range- Least Severe Level” Cancel reply , 2012 Freightliner with Cummins ENG SER # 73295803 had a code 2637 DOC clogged... had had DOC and DPF cleaned, there was a lot of soot in the intake air and exhaust, the aftercooler off and had it flushed, cleaned all the intake lines, removed pipe from turbo to DOC and beat all the build up out...cleared code.. truck runs fine, test drove for an hour then did a forced regen. regened for 45 ..., Here is the link to the PDI tuner I have installed on my truck: https://www.amazon.com/dp/B087V9XWB7/?tag=ryannsophia-20Welcome to our channel! In today's vi... , CODES: Fault Code: 1981. PID (P), SID (S): S324. SPN: 3936. FMI: 0/15. Lamp: Amber. REASON: Aftertreatment Particulate Filter Differential Pressure - Data Valid but Above Normal Operational Range - Least Severe Level. The aftertreatment differential pressure has exceeded the. maximum operating limits or the diesel particulate filter is plugged., CODE 1866, PID 4, FMI 2…. 10 FREIGHTLINER M2 106 6.7 CUMMINS. CODE 1866, PID 4, FMI 2 SPN 411. CLEANED OUT DIFF PRESSURE PORTS, REPLACE DIFF PRESSURE SENSOR PACKED HARD AND FULL. CLEANED UP EGR AND REPLACED GASKETS., The VGT actuator code 2636 stated that the actuator was inoperable because of a message interruption through the J1939 which is how the engine ECU communicates to the actuator. We went through the troubleshooting steps using the Cummins Quickserve website and checked the wiring harness. The troubleshooting tree led us to a faulty actuator., Bs6 poor pickupAts box dismantlinghttps://youtu.be/XHMBWwszMGwAmbient temperature sensorhttps://youtu.be/XG8L8TpNNZk, 2015 cummins in a f750 ,code 3251,3610,5742 ,we just had dpf filter cleaned but codes wont clear. Also put on new - Answered by a verified Technician. ... Ok all the codes are gone except this one Fault Code 2639 The check engine light is off but the regen light is on. After I did a regen last night the light went off., Save up to $700 with HP Coupon Code. 26 HP Coupon verified today for HP laptops, printers, HP Instant Ink, desktops, and more. Save big with HP Discounts! PCWorld’s coupon section ..., 2017 IC Bus vin: ***** with ISB Cummins esn: 73892436 two active codes 1922 and 3342 with several inactive codes 1866, 3312, 4612, 3383, 2962, 3382, 2961, 2639, 1921 and 3488 … read more Nich M., Be the first to review “Cummins ISB6.7 CM2350 (2013-17) Fault Code: 2639 PID: SID 324 SPN: 3251 FMI: 15 Aftertreatment Diesel Particulate Filter Differential Pressure- Data Valid But Above Normal Operating Range- Least Severe Level” Cancel reply, 1, 2013 Freightliner M2 chassis/Cummins 6.7 ISB passenger bus travelling 100000 mountain miles per year. 2, 2010 Ford F650 buses with Cummins engines, each at about 300,000 miles. 1, 2015 Ford Transit 11 passenger wagon with the Powerstroke 5 cyl engine traveling about 125,000 miles per year. The bane of my existence: A 2006 Sprinter., This fault code indicates that the exhaust temperatures exiting the turbocharger are not high enough to actively regenerate the soot that is trapped in the aftertreatment DPF. It may be necessary to increase the duty cycle of the application in order to prevent plugging of the aftertreatment DPF. Component Location., Hello nich sir2017 kenworth t800 cummins isxTruck wont move at all. Derate sign onActive codes 1695 count 17 2639 count 1Inactive code 2962 count 6 1894 count 95 4151 count 1 4152 count 2 6652 count 1 6653 count 2 6688 count 2 …, Your vehicle's key code is necessary if you need to replace your car keys through a dealership or locksmith. Your vehicle's key code is usually stored in your owner's manual, as lo..., The purpose of the Uniform Commercial Code (UCC) is to provide a set of consistent regulation for the sale of goods and other related transactions. This is especially important in ..., Completed the egr tuneup with a new egr delta P sensor. Still have code 2639 active and the DPF light on the dash. I took it for a drive and the light went out for a mile or 2 but came back on. I found in my code scanner where I can see DPF delta P and it shows Peak Soot Filter Delta P 0.74 PSI., If the aftertreatment diesel particulate filter is being replaced due to black smoke, and the exhaust stack is found to have heavy black soot accumulation, clean the last 152 to 254 mm [6 to 10 in] of the exhaust system outlet., With the cummins. I had codes for vgt, egr valve. Crank case pressure. And aft dpf - Answered by a verified Technician. ... We have a customer with a 2010 M2 business class freightliner with engine #73012266 ISC Cummins it keeps getting code 2637/2639/1921 of course when 2637 occurs it stop you from doing a roadside regen ..., fault code1883 | differential pressure sensor is reading an erratic value | DP sensor problem | majoka auto tech | ajay majokaRespected Viewer,In this video..., Onan Governor Rotor - 150-2639. Get optimal generator performance with genuine Onan parts., Ive got two code on ism 425, they are 4282, 2639, we just change the dpf last week it was craked, can the doc have any - Answered by a verified Technician. By chatting and providing personal info, ... Hi, I got a kW truck with a cummins ism cm876 with an active 2639 code (esn 35221436), and it's saying dpf diff pressure above normal …, Engine fault code 2639 cummins isx. Ask Your Own Medium and Heavy Trucks Question. Share this conversation. Answered in 5 minutes by: 10/19/2022. Technician: ..., Be the first to review “Cummins ISX11.9 CM2250 (2010-12) Fault Code: 2639 (BCL) PID: SID 324 SPN: 3251 FMI: 15 Aftertreatment Diesel Particulate Filter Differential Pressure- Data Valid But Above Normal Operating Range- Least Severe Level” Cancel reply, If fault code 1922 is still active OR inactive with more than one counts in the last 25 operating hours, the DPF is fully clogged. Replace the DPF. Step 9: This step will only work if you use Cummins Insite (version 8.5.2 or later) or an equivalent diagnostic tool which supports the test described below., Verify the EGR differential pressure sensor is properly oriented and placed as removed when installed on the intake air connection. Follow the “Conditions For Clearing The …, If you want to teach your kid how to code, there’s certainly no shortage of apps, iPad-connected toys, motorized kits and programmable pets that you can buy for your future Google..., Home / DTC TRUCKS / Cumminz / ISX15 CM2250 (2010-12) / Cummins ISX15 CM2250 (2010-12) Fault Code: 1922 (BCL) PID: SID 324 SPN: 3251 FMI: 0 Aftertreatment Diesel Particulate Filter Differential Pressure- Data Valid But Above Normal Operating Range- …, 2012 Freightliner with Cummins ENG SER # 73295803 had a code 2637 DOC clogged... had had DOC and DPF cleaned, there was a lot of soot in the intake air and exhaust, the aftercooler off and had it flushed, cleaned all the intake lines, removed pipe from turbo to DOC and beat all the build up out...cleared code.. truck runs fine, test drove for an hour then did a forced regen. regened for 45 ..., So ran it again . Took bus out drove 2 blocks regen was called for again .Ran it again and it seemed to clear up . Now today it comes limping in and calls for regen . Back to square one . There is a 2639 code every time . I read another guy had the same problem and he was told he needed insite Is that a Cummins web program to buy ?, Ive got two code on ism 425, they are 4282, 2639, we just change the dpf last week it was craked, can the doc have any - Answered by a verified Technician. By chatting and providing personal info, ... Hi, I got a kW truck with a cummins ism cm876 with an active 2639 code (esn 35221436), and it's saying dpf diff pressure above normal …