P1029 l5p duramax fix 6 Duramax L5P Allison auto trans AFE Large Bore 5" DPF back 2020 Brookstone 344FL 5th Wheel Reese M5 hitch. Emissions stuff is not covered the same as powertrain. Inspect the fuel/water separator reservoir and filter for heavy debris. 0L Diesel (LZ0) Sierra 2500/3500 2019 2023 6. tur Customer: throwing code P228a then going into reduced power and shut down GMC Mechanic's Assistant: Im sorry to hear about the trouble youre experiencing with your GMC, but Im confident that the Mechanic will be able to help you diagnose and resolve the issue. I have a derringer and idash. At Thoroughbred Diesel we are a real diesel performance and repair shop that offers free advice. 3. ?? Truck is running fine. Most auto repair shops typically charge between $75 and $150 per hour for their services. Was able to restart with a excessive amount of cranking. 1 3 of 6 Dec 16, 2012 · L5P All GMC Sierra 2017 2017 L5P All Involved Region or Country North America Additional Options (RPO) Equipped with ENGINE-DIESEL, 8 CYL, 6. ***** i have active codes p1029 p129 p228b p22f9 and pending codes Jan 7, 2019 · I have a 2017 L5P with code P249D coming up. Would travel another 2-3 miles and do into shut down again. Mar 24, 2021 · Chevy / GMC Duramax 2017+ L5P Forums. Have changed the fuel pressure sensor and pigtail. 1989-1993 Dodge 5. Did my research and found that it was the fuel pump control module. 6LTurbo Diesel (L5P Apr 5, 2019 · Need more information on how to fix the P1029 code? Get Access to Factory Service Manuals. 5-inch wheels with Michelin XDS2 tires | Timbrens Jun 30, 2017 · 2007 GMC Sierra 3500 SW Duramax. 2020+ GM T1 Platform Powertrain 2021 GMC Denali 3500 Duramax, Hunter Metallic Fuel 20x9 rims Stock tires. Home; About Us; Nov 6, 2016 · yup and without the problem actually present now it could be ecm related wiring related or pump related or fuel pressure regulator related. 5 winch 2008 Chev Silverado 3500 DRW Duramax. I have continued to research this and found While a faulty MAP sensor on a GMC Duramax won't directly cause "low fuel pressure," it can indirectly contribute to issues that might manifest as low fuel pressure symptoms due to its role in regulating the air-fuel ratio, which can Oct 22, 2016 · NOTE #1: Apart from a repair manual for the application being worked on and a good quality digital multimeter, you will need a dedicated fuel pressure gauge to diagnose this code. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. Shop owner already repl The 6. • If heavy debris is found in the filter, clean the fuel/water separator reservoir and continue to the Fuel System Flushing Procedure below. (RPOs LML, L5P)-Silverado 2500/3500 2019 2019 Equipped with 6. Any help to fix this would be appreciated. 1 3 of 6 Sep 27, 2024 · Hey guys, I have been having issues with a current build. I've experienced both the emissions codes and the extreme consumption of the DEF while towing. 6. Tried the relay in the engine bay first. Truck is tuned on EFI Live for over a year now and has been running great until this issue. Ppei couldn't seem to get truck running so I changed tuning companies to motor ops, truck runs perfect and no codes. Chevy fuel pump, Fuel pump doesn't appear P1029 fuel pump phase U-V-W circuits open fault code P1029, P129F, P2A00, P2264, P228C, P228A, P228B, and/or P228D Set Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac Escalade Models 2021 2023 — — 3. I chased my problem for about 4 Apr 14, 2023 · 5. 6L Engine (RPOs LML, L5P) Sierra 2500/3500 2019 2019 Equipped with 6. 2018 gmc 3500 I had a check engine light and service emission soon message and a Replacing the rear nox sensor on a 2017 chevy silverado 2500 6. Jul 26, 2022 · . The estimated repair time for this fault code is 1. When I go to start it all the power goes out but then it doesn’t crank. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less 6. 6L LLY Duramax; 2006-2007 GM 6. Have been getting the p0191 code for the last year and a half. My 13 Duramax with 180k miles. Apr 5, 2019 · Need more information on how to fix the P1029 code? Get Access to Factory Service Manuals. 8L LWN Duramax; 2020-2023 GM 6. 6LV-8 Duramax Turbo Diesel (L5P) — Sierra 1500 2020 2021 3. 0L LM2. Here are some possible causes of the P1029 code:1. 0 hour. 3 times into 2 Dealerships could not figure it out. Good morning, just starting a thread for future searching. On this Diesel Insights, Nick gives you a good tip that costs nothing Sep 9, 2021 · 6. Hey guys, looking for some guidance here. The power then comes back on. 2L L87, 4. I'm looking for help diagnosing a noise that I'm getting from my 2017 3500 (113,000 miles)when under load or when decelerating with the Exhaust Brake engaged. So far with everything I have done I am probably over $2300 spent on trying to fix it. Deleted, EFI live & Vmac compressor, Fab Fours front bumper with16. experience as repair shop manager and technician. 5-2005 (LLY) 6. 6L Diesel (LH7) Yukon 2021 2023 Eric | 20+ yrs. 2001-2004 GM 6. Most auto repair shops commonly charge between $80 and $150 per hour; however, rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. L5P TSB (service bulletins, recalls, updates) GM Releases Fix For 2024 GMC Sierra HD Duramax Selective Catalyst Reduction Sep 17, 2018 · 2017 Silverado 2500hd LT, Summit White, CC, Duramax L5P, 2" RC Leveling Kit, with Moto Metal MO970 - 18x9 +18 offset, and 275-70-18 Nitto Ridge Grapplers. Page 4 February, 2020 Bulletin No. Dec 14, 2022 · Chevy / GMC Duramax 2017+ L5P Forums. Oct 4, 2023 · I have a 2017 GMC 2500 L5P yesterday driving home from work my truck shut down driving down the road, the screen displayed reduced power, then shut off. Mar 29, 2024 · 2018 L5p code P2294 Jump to Latest 2. This means that the fuel pump control module (FPCM) isn't sending power to the fuel pump. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All Jan 13, 2023 · I have a 2019 Chevy 5500 with 52,000 miles on it. It is the most robust and powerful Duramax diesel created to date, producing a peak 445 horsepower and 910 lb-ft of torque. 6L L5P Duramax; Dodge Cummins. What all should I expect to have to repair/replace? 41 - 60 of 108 Posts. #17-NA-171: Hesitation, Stalling, Engine Speed Flare, Unintended Accelerations Feel, Reduced Surge in Low Speed Maneuvers, Stumble, Loud Ticking Noise While Coasting Down, Harsh Tip-In/Tip-Out Shifting, Lack Feb 3, 2022 · The L5P Duramax is a version of the V8 diesel Duramax that was introduced in 2017 and with 445HP and 910-pound feet of torque, it is the most powerful pickup truck engine from GM. 95,139 Satisfied Customers. 0 duramax, about 20K miles on it now. Code went away for a little. Lately, Engine light was on with message popped up Egine Reduced Power and fan went full blast. Code P1029 Information for Specific Makes. GMC sent engineers out and started taking the emissions apart piece by piece smoke testing Cat forward and intake back Found back pressure valve leaking at the flanges. 6L LB7 Duramax; 2004. It also goes into a reduced power mode. Next day truck wouldn't turn over. Mar 19, 2023 · Hey guys, I’m new here and I’m looking for info. 6L LBZ Duramax; 2007. to/3tw Got called in to a shop 2 hours away to look at a 2012 GMC Duramax Diesel that is stuck in LIMP MODE due to an Emissions System fault. U010E code loss of communication with reductant sensor module…. The Tank is full, the May 25, 2017 · I have 3 of these issues going on, on my own personal truck. Cracking The Code: P129F – Cost And Complexity Unveiled! The automobile fault code P129F diagnosis and fixing cost is influenced by the estimated repair time of 1. 0LTurbo Diesel (LM2) — Chevrolet Cruze 2014 2015 2. Desired at 10200 and actual will bounce 9 to 13k. 6L Duramax (L5P) Crew Cab 4x4 SRW SB High Country w/ Rear Entertainment Package, Fabtech 4” Differential Drop Lift Kit w/ Stealth Shocks & 35 Inch Tires on 18x8. 2019 6. 0L Duramax diesel engine (RPO LM2). PPE Tuner & Vmac compressor, Fab Fours front bumper with16. Expert will respond in minutes After you reach out, we match you with an Expert who specializes in your situation. Check engine light went out approximately 20 miles down the road before I could get to a safe place to pull over. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Got my first cel light today 6 hrs from home to pick up a new camper ran a Hey guys, looking for some guidance here. Cracking The Code: P1029 – Cost And Complexity Unveiled! The factors influencing the diagnosis and fixing cost of automobile fault code P1029 are the estimated repair time and the hourly rate charged by auto repair shops. Some states have different coverage. This bulletin, numbered 23-NA-193 and dated November 2023, is aimed at addressing specific diagnostic trouble codes (DTCs) that have been identified in these models. 6L Duramax L5P is the most recent generation of the Duramax 6600 engine family and is found in 2017 to current Chevrolet Silverado, GMC Sierra 2500 HD/3500 HD pickup and chassis cab trucks. M. (Nothing) Have any of you installed a lift pump on your L5P? I know someone is going to say the L5P has an internal pump and that it doesn’t need a lift pump. 5-inch wheels with Michelin XDS2 tires | Timbrens Feb 24, 2023 · 2022 AT4 3. P129F & P228C. NOTE #2 : Make sure that the vehicle has at least 2 gallons of fuel in the tank, to preclude the possibility of wasting time on diagnosing a fault when the vehicle Oct 1, 2022 · Several DTCs set in the Engine Control Module (ECM) may be caused by an exhaust leak on some 2020-2022 Silverado 1500, Sierra 1500; 2021-2023 Tahoe, Suburban, Yukon and Escalade models equipped with the 3. Chevy fuel pump, Fuel pump doesn't appear P1029 fuel pump phase U-V-W circuits open fault code Jan 31, 2024 · Also found this. This truck won't start, it has no low side fuel pressure. I initially had P003A and so I just replaced the VGT Actuator w GM Part 12708802, (long story just to get the actuator), after install, no codes were confirmed after ignition cycle, but permanent code still existed P003A, with no CEL. I have a 2018 L5P and It has custom tuning and has for the last 2+ years and 25k+ miles, I was driving the other day and it went into limp mode, it’s throwing 3 codes P0046 U18A2 & U0076. 0 -Not sure of my code number- Had issues the first 5000 miles. Was thinking of tackling the job myself. 5 winch The estimated repair time for this fix is 1. Apr 18, 2023 · Calibration update came out on April 14 2023 to address numerous issues with the 23 LZ0 Duramax. Apr 2, 2021 · Chevy / GMC Duramax 2017+ L5P Forums. 0L Duramax. I have the can bus dummy plug and nox sensor plugs on the Mar 1, 2023 · 2018 Chevy 3500HD Duramax L5P 104,000 miles. I have a 2021 chevy 2500 duramax vin…. We ensure your Duramax-powered trucks receive top-notch care, with a range of specialized repairs and services tailored to meet the unique needs of these robust engines. 3L LV3, 2. May 25, 2017 · I have 3 of these issues going on, on my own personal truck. When I clear the code, it stays off until I shut the truck off and restart it. The L5P Duramax diesel can be found in 2017 to current model year Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD pickup trucks. 6L Duramax LP5 engine indicates an open circuit in the fuel pump phase U-V-W circuit. What are some repair tips for addressing OBDII code P2635 GMC? Repair tips include replacing a faulty fuel pump, cleaning or replacing a clogged fuel filter, checking the fuel pressure regulator, and ensuring proper wiring connections. Which did fix it for May 10, 2017 · My name is Dan, I drive a 2005 2500hd ccsb lly 4x4, victory red, Efi live :gearjamin Robs trans safe tunes, Edge cts w/pyro, Silverline 5" exhaust, Magnaflow downpipe, LML ds manifold, Arp head studs, S&b turbo inlet, S&b cai dry filter, Ppe shim kit, drilled fuel rails, B&w turnover gooseneck, Ma welded waterpump, Profab egr delete, Fass titanium 150, Beans fuel sump, Ma pump rub plate, 285/ Jun 21, 2022 · New update. Data shows rail pressure bouncing 3 to 4k during 0% throttle deceleration. 95,070 Satisfied Customers. Jul 23, 2023 · And there’s been lots of software glitches in the infotainment system, locked black screens, GPS issues, map issues, and when I’ve used the new system it seems really slow to me. 6L Diesel (LH7) Equinox 2018 2019 Silverado 2017 2018 6. 2023 GMC Denali 3500 DRW, Pearl This video will show you how to fix code P0204 and P0300 on the L5P Duramax diesel found in the 2017 to present GMC Sierra and Chevy Silverado 2500 & 3500 Tr May 3, 2023 · Customer states service diesel exhaust fluid system message on drivers information center. Replaced the fuel filter and just replaced my MAP sensor. Hi everyone. 3L L84, 6. 0LTurbo Diesel (LM2) Sierra 1500 Limited (RPO J21, VIN Digit 5 = 8 / 9) 2022 2022 Sierra 1500 New (RPO J22, VIN Digit 5 = H / U) Sierra 1500 2023 2023 3. 0L Duramax Diesel Engine (LZ0). Hopefully it fixes them. Warranty Information Important: Only apply the additional labor time if the vehicle requires overnight soak time and re-test. All stock. • If no signs of debris are found, clean the fuel/ Nov 26, 2020 · My 2018 GMC 2500 Denali 2500 Duramax L5P Has 2 codes. (Fig. I get a check engine light on the dash and then two messages reading vehicle power is reduced and a don’t stop driving like it’s going into regen the def gauge reads 3/4 full the truck has never had less than 1/2 a tank of def since Iv Page 4 May, 2022 Bulletin No. 6L Engine (RPO L5P) GMC Sierra 2015 2018 Equipped with 6. Both P026D and P026D pending are gone. After much searching in this forum and elsewhere on the internet, I believe I have an exhaust leak that only appears to Sep 14, 2019 · I had this and a couple other codes on my 2016 couple weeks ago. But its only been 3-4 trips totaling ~ 100 2018 Silverado position #1 NOX Sensor replacement, code P11DB and code P249Damazon affiliate link to part #12680215 position #1 NOX sensorhttps://amzn. Jul 29, 2020 · Chevy / GMC Duramax 2017+ L5P Forums. I drove it about 600 miles on a road trip last December and after about 5 hours of driving highway speed, I started to notice a stutter or almost a missing as if it were misfiring type of feeling (realizing this is not possible in a diesel) and Aug 24, 2022 · The 4th injector is causing a problem for these high mileage 2017+ Duramax 6. What's up I'm back to help anyone out there that's having no start no crank issues with their Chevrolet or GMC Duramax truck. As far as the wire goes that's probably a airdog or fass lift pump looks like it's in the right place. After much searching in this forum and elsewhere on the internet, I believe I have an exhaust leak that only appears to Apr 5, 2021 · I recently started getting a check engine light for code P0102 on my 02 LB7. : 20-NA-039 5431209 Important: To avoid warranty transaction rejections, you MUSTrecord the warranty claim code provided on the SPS Warranty Claim Code (WCC) screen on the May 2, 2018 · We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Impatiently waiting on GM to come out with the updated firmware for the 2019 models. 2006 silverado 3500 rwd,4x4,cclb,lbz. It seams that the lift pump is making a strange noise during the initial key on 30 second run time. Chevy replaced the MAF under warranty (truck went in service Aug 2018). 6L LMM Duramax; 2011-2016 GM 6. 0L Diesel (LUZ) Cruze 2018 2019 1. temporary fix until the debris gets into the new injectors. Prior to purchase I searched everywhere for an installation video. 2017-19 GM T-K2 Platform Powertrain Sorry man, no amount of adding DEF will fix that. Hi, I have a P1089 code on a Sierra 2500 AT4 2024, duramax, my dealer can't find the problem. . I changed it with brand new one from GMC and it still won't start. 5-2005 GM 6. Nov 9, 2023 · 2017 Silverado 3500 LTZ (Summit White) | CC SB SRW | Z71 | Duramax L5P | Undercover Ultra Flex bed cover | Boss 9'2" DXT Stainless plow | AIMS 3kw inverter-charger | Titan Travel Trekker 50-gallon auxiliary fuel tank | Reese under-bed FW/GN rail kit with Demco 21k Autoslider | Vision Hauler 19. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a Nov 5, 2020 · Long story but had tuning from ppei, then added cp3 stroker pump and s472 turbo from stock l5p pump and s369. Nov 16, 2022 · 2018 Silverado 3500 6. 6L Turbo Diesel w/ Allison 6 Speed Trans, Il6-I06 Audio System 8" Diagonal Color Touch W/Navigation & Intellilink, U42 Rear Entertainment System, Z82 Trailering Equipment Pkg, Z85 Heavy Duty Suspension, UY2 Camper/5th Wheel Trailer Wiring Provisions, Y65 Driver Alert Package Oct 4, 2016 · Chevy / GMC Duramax 2017+ L5P Forums. 6 l5p duramax turbo diesel. Chevy / GMC Duramax 2017+ L5P Forums. 6L Engine (RPO L5P) Involved Region or Country North America Additional Options (RPOs) Equipped with FUELTANK-DUALTANK, FRONT TANK 23. 1500 Series Light Duty (LD) Pickups equipped with a 3. 3L L82, 5. Jan 27, 2019 · Attached is a GM technical document regarding the 2017 L5P advising the technician of the repair procedure. 3 that came in with the engine light on and a code P129D-00 that won't go away! It doesn' May 7, 2024 · I have been reading past threads on here about similar issues, but to keep it short, truck was running fine, no signs of any issues, stop at a customers house and do a job, i go to leave and truck cranks but no start, i tried to prime the fuel pump multiple times but to no avail, just wondering if anyone has a more updated diagnosis on what May 10, 2021 · I have a 2020 GMC 3. We are Jul 13, 2021 · Chevy / GMC Duramax 2017+ L5P Forums. Truck is a 2011 2500HD with full def, dpf delete running an unknown tune with no lift pump. Code reader says P1089- fuel rail pressure on deceleration. Jun 30, 2017 · 2007 GMC Sierra 3500 SW Duramax. comFollow Me On INSTAGRAM! @De Eric | 20+ yrs. Call us at 1-859-737-4966 with any questions you may have about your diesel. And I've seen one truck with 52 miles on it with 2 bad injectors, multiple issues with regen not working from sucked in air filter to a plugged def injector. I saw a TSB from GMC that pretty much said if you have code p129f change the fuel pump control module. Oct 5, 2024 · I ordered a FASS 125gph lift pump last week and received it today. you could clean the map sensor it mite help. Can OBDII code P2635 GMC lead to other issues if left unaddressed? May 16, 2024 · UPDATE- it has been said, not confirmed, that there are approximately 10 vehicles involvedRelease Date: May 2024 Program Effective Until: June 30, 2026 Issued by: General MotorsOverviewGeneral Motors has announced a Customer Satisfaction Program (N232427750) addressing an issue with the piston oil lubrication valve in certain 2024 model year Chevrolet Silverado 2500HD/3500HD and GMC Sierra May 27, 2023 · Chevy / GMC Duramax 2017+ L5P Forums. 5-2006 LLY models. Air filter is not a Oct 12, 2023 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Ireplaced the MAF sensor last week with no luck. This time I charged the batteries and the Come along with Eric O. 6L Duramax® Turbo-Diesel Engine are covered for 5 years or 100,000 miles whichever comes first. Pulled the air filter and cleaned it/washed it, no luck. 6L L5P Duramax; 2016-2019 GM 2. Jul 27, 2016 · Got a P0193 code about 2 days after changing my stock fuel filter. 5 winch 2014 Chev Silverado 3500 DRW Duramax. the Chevy 2500 6. Page 4 November, 2021 Bulletin No. Had the problem with crank no start and got code P129F. Mar 23, 2023 · I just bought a pre owned 2021 L5P Duramax with 42,000 miles on it. 6L trucks. diamond eye downpipe,mbrp 4'' out the back,Isspro boost&pyro gages w/piller,Air dog2 df165, B&W fifth wheel,in bed 75 gal fuel tank with transfer pump, truck defender bumper, last but not least. Save Share Reply Quote Like Feb 19, 2024 · 6. 2017-19 GM T-K2 Platform Powertrain Cycloneranger. A ton of LED's inside and out. I am new to the forum. It took a frame swap and a lot of work to get it Replacing the rear nox sensor on a 2017 chevy silverado 2500 6. 6L Duramax L5P maintenance schedule and service information, including service part numbers, oil and fluid specifications, and fluid capacities. BD exhaust manifolds,ARP head studs,. Nov 5, 2018 · I found a Trick that can save you a lot of time and money when you get 4 mile limit notification with your def dpf diesel exhaust system and you are far away Below are common check engine light trouble codes for the Chevy/GM Duramax diesel. Sent from my SM-G960U using Tapatalk Jun 2, 2020 · 2019 Chevrolet Silverado 3500HD 6. It has 82K on it. I brought it into 2 different diesel shops and both said either cracked head or head gaskets. 6L Diesel (LH7) Yukon 2021 2023 Jul 20, 2019 · Anyone have any experience with dtc p1029, have searched and no luck. 5 winch May 29, 2022 · The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Duramax Repair Specialists in Houston, TX Trust us for professional Duramax engine repairs and services in Houston, Texas. Jul 27, 2021 · I have a 2020 L5P duramax high country currently 35k miles still under the bumper to bumper warranty. 9L 12V Feb 1, 2023 · These models include the Duramax LML, Duramax LGH, Duramax XLD25, Duramax XLD28, Duramax L5P, Duramax LWN, and Duramax LM2. 2019 GMC Sierra 2500/3500 - 4WD | Sierra Limited, Sierra 2500/3500, Silverado LD, Silverado 2500/3500 Service Manual 12106552 | Document ID: 4489080 Feb 22, 2023 · Duramaxdiesels. For vehicles repaired under the Emission coverage, use the following labor operation. I have not seen really any info on it for the L5P. 6 duramax LP5 is throwing a P1029 code and it will crank but not start. I have put about 1,200 miles on it so far and just got a check engine light so I ran the code and it said P3196 and U062F. as we have a look at this 2014 Chevy 1500 5. p0402 P049C P054E P1089 P140C P149A P2203 P22A1 P23AF P242B P Page 4 February, 2020 Bulletin No. Will let you know if this is the final fix for it. 8K views 2 replies 3 participants last post by L-u-k-a-s Mar 30, 2024 Is the 2022 Chevy Silverado 2500 HD 6. I cleaned the MAP, they tested the MAP as OK. I have read that there may be some wiring issues to the lift pump. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End May 31, 2018 · New to the site. Chevy/GMC Duramax. 6L Duramax Diesel L5P a good engine ? I review this Chevy 2500 with the Duramax Diesel as a Heavy Duty Mechanic and giv. Feb 9, 2025 · The code p1029 is a map sensor code. It still runs but you have to feather the throttle to get it up to speed. 7L L3B, or 3. 6L has the exhaust fluid service message. You might need a new DEF heater/tank. 2016 GMC Sierra 3500 Denali 6. 2017-19 GM T-K2 Platform Powertrain MIkey52. Does the cab have to come off to do? No parts are required for this repair. It is described by many as a muscle truck because of the sheer power that this engine produces. 2017-19 GM T-K2 Platform Powertrain. The radiator fan would go full speed and the info system says that the truck will be put into limp mode in 175 miles if the emissions system isn't serviced. I took to dealer, they told me need to replace engine heating/coolant valve and harness but need to order parts because of back order. C. I have the same issue with my 2019. CEL recently comes on. Fuel filter has 54% life left and it’s the AC Delco filter. What year Duramax has head gasket problems? Duramax had head gasket issues on its 2001-2002 LB7 and its 2004. The best solution seems to be the one you mentioned, 1089 is left rail bypassing. 6L Duramax Diesel L5P number 1 issues/problem is the MAP sensor getting clogged and causing your Duramax diesel engine to run poorly and mos 6. 5 GAL (89L) REAR TANK 40 Nov 5, 2020 · Long story but had tuning from ppei, then added cp3 stroker pump and s472 turbo from stock l5p pump and s369. They settled on some mildly goofy readings from the MAF. Today my change 2021 Duramax L5P No crank No start Part 1You won't believe this chevy Silverado issueone module killed the ignition fuse and shutdown everything from turning Mar 21, 2022 · I have a stock 2019 L5P with 100,000 miles on it. Jul 13, 2018 · Chevy / GMC Duramax 2017+ L5P Forums. 0L Duramax® Turbo-Diesel Engine and 2500/3500 Series Heavy Duty (HD) Pickups equipped with a 6. 6LV-8 Duramax Turbo Diesel (L5P) Terrain 2018 2019 1. I'm planning my 3rd visit and it looks like I'll be wasting my time again. 2020+ GM T1 Platform Powertrain srybicki. Took it to an electrician and he said my fuse box was corroded under and I had broken wires. L5P TSB (service bulletins, recalls, updates) Ken the trailer guy. This has happened in the past and I was able to resolve by putting the batteries on a charger. Very intermittent sometimes it’ll go into engine reduced power 5 times in a 20 minute drive and other times it won’t at all. 5 Vision Valor Wheels, 4. I have been posting over on duramaxforum and I thought I would come on over here to see if you guys have any ideas. Saw one person say that they were told the computer had to be programmed to recognize the new module. This is why I ask when the fuel filter was changed last. My 2024 GMC Sierra AT4HD with only 8,000 miles on it, had a check engine light pop-up along with a message on the dashboard that read “service emissions syst Mar 5, 2020 · I have 2021 Sierra 1500, 3. They tried the NOX1 and NOX2. Save Share Easy fix. Sep 14, 2019 · I had this and a couple other codes on my 2016 couple weeks ago. 6l Duramax Code-P1089 Truck will shutdown and not start we remove batteries for 30 lawyers, tech support, mechanics, vets, home repair pros, more. p0402 P049C P054E P1089 P140C P149A P2203 P22A1 P23AF P242B P 2021 gmc 3500 6. I have a 2017 L5P that a purchased a few months ago and started losing coolant recently. I followed the flow chart for p1029 and it just had me check the wiring to the fuel pump to make sure it's not open or shorted… This fix is estimated to take approximately 1. Good luck on your fix Jun 6, 2019 · The P1029 code in your 2019 Chevy Silverado 2500 High Country with the 6. 6L LML Duramax; 2017-2019 GM 6. 2021 dmax with 184k miles running hotshot. This list has been updated to includes Chevy/GM Duramax diagnostic trouble codes. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. : 21-NA-149 Condition 4 This Condition pertains to vehicles equipped with engines 5. He fixed the wires and replaced the fuse box. stock plus Vmac compressor, Warn front bumper with16. 6L Duramax (L5P) LTZ Z71 Crew Cab Save Share Reply Quote Like Dec 24, 2023 · Here we are a year later and again I’m throwing a P1089. My reader said the "U062F" was a "lost communication with coolant pump C. 9L 12V Cummins; 1994-1998 Dodge 5. 2017-19 GM T-K2 Platform Powertrain CODE4. 20221 Chevy Suberban P129F fuel pump power control module fuel pump speed signal incorrectFuel Pump Control Module 13537053How to check GM fuel pump control Jan 24, 2025 · Hello everyone. 6L, DI, V8, TURBO, DURAMAX (RPO L5P) Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. I live an hour and a Silverado 2500HD/ L5P 3500HD 2019 2020 Silverado 4500HD, 5500HD and 6500HD 2019 2020 L5D GMC Sierra 2017 2018 Sierra 2500HD/ L5P 3500HD 2019 2020 Involved Region or Country North America, Middle East, Israel, Palestine Condition Some customers may comment that the MIL is illuminated. Sep 17, 2018 · Is anyone else having issues with the 2017 and 2018 l5p duramax? I work for a company that leased probably around 30 Silverado 3500s. Parts and labors estimate to fix will cost $5k. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage Nov 26, 2019 · My 2017 Chevy Duramax is/was going through the same thing. Members enjoy round-the-clock access to 12,000+ verified Experts, including doctors, lawyers, tech support, mechanics, vets, home repair pros, more. 5-2010 GM 6. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End 2019 6. Save Share Nov 13, 2022 · Hello Everyone. LETS GET THIS CHANNEL TO 15,000 SUBSCRIBERS!!!NEED L5P Parts? MESSAGE ME ON INSTAGRAM @Denny_Diesel OR EMAIL dennydiesel@yahoo. The estimated repair time for this fix is 1. I bought this wrecked two years ago and have been slowly building it. Nov 28, 2023 · Chevrolet and GMC have issued a critical service bulletin for the 2023 models of the Chevrolet Silverado 1500 and GMC Sierra 1500 equipped with the 3. Any ideas before Chevrolet looks at it? Oct 6, 2023 · 2016 GMC DenaliHD Crew Cab 4WD DRW 3500, GAZ Summit White/H2Y Cocoa Dune, 5SA Denali, CF5 Power Sunroof, LML Duramax 6. Jul 23, 2020 · Chevy / GMC Duramax 2017+ L5P Forums. Jul 31, 2020 · 2019 Chevrolet Silverado 3500HD 6. Bone stock truck with 143,000 miles. Feb 9, 2025 · 2006 silverado 3500 rwd,4x4,cclb,lbz. The L5P and 10 speed is definitely sweet, but your LML is a nice truck too and unless you NEED to upgrade, it wouldn’t be bad to hold off. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a Jun 5, 2019 · These conditions may be found on many GM vehicles equipped with diesel engines (RPOs LM2, LZ0, LUZ, LH7, L5P, L5D), including 2017-2023 Silverado; Sierra; 2019-2023 Silverado 2500HD/3500HD, Silverado 4500HD/5500HD/6500HD; Sierra 2500HD/3500HD; 2021-2023 Tahoe, Suburban, Yukon, Escalade; 2018-2019 Equinox, Terrain; and 2014-2019 Cruze models. Jul 30, 2023 · Having some issues with my 2017 l5p. I followed the flow chart for p1029 and it just had me check the wiring to the fuel pump to make sure it's not open or shorted… Feb 17, 2020 · Anyone run into this on a l5p? Fuel rail pressure performance during deceleration. since the problems not present you could get the truck right back since most mechanics now rely entirely thier scanner and a computer to tell them what to fix. comFollow Me On INSTAGRAM! @De Feb 10, 2024 · My 2020 L5P with push button start will not crank. xhlmwo glc nhubom bcv vpnkw vkgw qtytf ksbyz oxsahh qnisod