P20ee l5p. By DieselDavy in forum Industry News .
P20ee l5p After Technicians diagnosing the issue may find one or more of the following DTCs: P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30. 2, '11 LML, '10 LMM, '04. facebook. Some technicians may find one or more of the following DTCs set in the Engine Control Module (ECM). 0 Vortec, 375k mi. Service manager gave me copy of the GM bulletin to inform the costumer to drive the vehicle 2-3 days and if the light doesn’t Nov 19, 2024 · As you are searching for fixing the P20EE Code on your Duramax, we have covered a guide to help you. Reactions: jimmy. Export Regions Condition Some customers may comment on one or more of the following conditions: MIL is illuminated. 6 L5P All GMC Sierra 2017 All All 6. I thought I would need the scanner, I had access, to run the reductant quality test, but the notification went away. Please see the attached bulletin for details. Sep 17, 2018 · Hey guys I have been dealing with a nightmare with my 2017 Silverado 2500 L5P since the first day I bought it. If black smoke Dec 7, 2017 · 6. Jul 30, 2023 · Having some issues with my 2017 l5p. Only other strange symptoms are fuel economy has gone down, and latest regen dropped ~100 miles between regens, down to 330 miles between regens. 6 Duramax L5P, and attempted a fuel injector cleaning today. M. Jump to Latest '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. Driving from FL to NY tomorrow, hope I don't have any issues with it. This was the 4th time (lemon law status). Symptoms may include reduced engine performance and increased emissions. In addition, malfunctioning filters, faulty SCR injectors, low Jan 25, 2018 · OBD II fault code P20EE is a generic code that is defined as “SCR NOx Catalyst Efficiency Below Threshold Bank 1”, and is set when the PCM (Powertrain Control Module) detects that the catalytic converter on Bank 1 is Nov 19, 2024 · P20EE is a diagnostic trouble code that means “SRC NOx Catalyst Efficiency Below Threshold”. Am I on the right path or is there something else I should be looking at ? Any and all suggestions would be greatly appreciated. L5P turbo Jan 27, 2022 · 2020 Silverado 2500 Duramax. Truxedo tonneau cover. 6 L5P N/A Involved Region or Country North America Additional RPO/s: 6. S. Cause The cause of the condition may be by a software anomaly. With that being said, this isn’t really a “common problem” with the L5P. (L5P) -- 2013 Chevy 3500HD SRW LTZ 4WD LB CC D/A (LML) -- 2002 Chevy 2500HD LT 4WD SB CC D/A (LB7) -- Aug 25, 2024 · Diagnostic Tip for Checking Exhaust System for Leaks for the L5P Engines, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402, P0421, P11D5, P20EE, P2459, P2463, P249D, and/or P249E Chevrolet: PIP5664C: DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set: Chevrolet: PIP5684: GE-52250 Power Smoke Aug 19, 2024 · The P20EE diagnostic trouble code indicates that the Selective Catalytic Reduction (SCR) system’s NOx catalyst efficiency is below the required threshold for bank 1. Data shows rail pressure bouncing 3 to 4k during 0% throttle deceleration. 6L Engine (RPO L5P GMC Sierra 2500HD/ 3500HD 2021 2021 Equipped with 6. 5 box, 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 CCSB, 2010 LMM, 2004. The code retrieved form my OnStar is P20EE. B&W turnover ball hitch. 1st Trip - engine accelerates when take for off fuel pedal Sep 28, 2020 · previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. 2022 GMC Sierra 2500 L5P 2017 GMC Canyon Duramax. Jump to Latest 12K views 7 replies Feb 28, 2022 · - - L5P - Silverado 2500/3500 HD 2020 2021 GMC Sierra 2500/3500 2017 2019 Sierra 2500/3500 HD 2020 2021 Involved Region or Country North America and Israel Condition Some customers may comment on one or more of the following conditions: • DEF Quality Message displayed on the DIC The P20EE code indicates that the Selective Catalytic Reduction (SCR) system's NOx (Nitrogen Oxides) Catalyst on Bank 1 is operating below the efficiency threshold set by the vehicle's ECU (Engine Control Unit). com/groups/1222898191107557/permalink/1603355576395148/ They Feb 28, 2022 · 2020 2020 L5P GMC Sierra 2500 HD/ 3500HD Involved Region or Country North America, Middle East, Israel, Palestine Condition • P20EE: NOx Catalyst Efficiency Below Threshold • P220B: NOx Sensor 2 Supply Voltage Circuit • P24A0: NOx Sensor 2 Circuit Low Voltage - 2020 - CRC - 10/26/20 Apr 13, 2022 · 2022 2022 L5P GMC Sierra 2500HD/3500HD Involved Region or Country North America, Middle East, Iraq, Palestine, Australia/New Zealand Condition Some customers may comment that the MIL is illuminated. The SCR system is a crucial component in modern diesel engines designed to reduce harmful emissions. I am knew to diesel and duramax. P20EE and P026D and P249D and P20E8 and P11D6 and. A. Jan 15, 2023 · As a fellow periodic P20EE sufferer it's good to see that someone was able to resolve this one. We leave for vacation in about a week or so pulling a 35' 5th wheel to Colorado from Missouri. P249D issue! Anyone ever resolved? Jump to Latest 12K views 5 replies Jan 16, 2023 · Hello, I have a stock 2018 L5P 140k miles and am getting code P20EE. The total number of U. I had it read, it comes up as P20EE, appears to have something to do with the emissions system. Then had it pop up twice in 100 miles. Apr 7, 2021 · 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights S&B MAP spacer, Apr 10, 2021 · UPDATE: I got the car back from the dealership last this past Friday. Can I still drive with this code on or will it try and shut me down like I have no DEF fluid in the tank? We don't live near a Chevy dealer anymore, all the close Dec 2, 2021 · P20EE stands for “SCR NOx Catalyst Efficiency Below Threshold. 9116 posts · Joined 2014 Add to quote; Only show this user #2 More part numbers: SNS427 A2C12454100-01 55487663; 55487659 0281006925/926; 55512349 SNS0426A A3C02960400-02; 55487662 SNS426 A2C12453800-01; 55512347 SNS0427A A3C02960600-01 Feb 22, 2023 · DEF Pump Unable to Build Pressure After Replacement June 29, 2020 After replacing the Diesel Exhaust Fluid (DEF) pump (Fig. Jump to Latest 950 views 1 reply 2 participants last post by Ron Nielson Feb 2, 2023. I've seen some owners claim the #2 NOx sensor or the DEF injector may be the culprit. 445 horsepower, 910 lb-ft of torque. Standard cure once in limp mode is to run a Service Regeneration followed by an RFQT, which is a DEF quality test that recalibrates the system. Feb 28, 2022 · L5P, L5D) Colorado Models 2016 2019 Cruze 2017 2019 Equinox 2018 2019 Silverado Models 2011 2019 GMC Savana 2010 2019 Canyon 2016 2019 Sierra Models 2011 2019 Terrain 2018 2019 Holden Equinox 2018 2019 Involved Region or Country North America, Israel, South America, Australia, Middle East, SE Asia, South Korea and Africa Condition Jun 6, 2019 · 2018 L5P GMC 3500 . This service update involves trucks equipped with the optional Duramax turbodiesel 6. Cause: Diagnostics may show DTC P20EE has set. 2018 L5P Sierra 4x4 SB Jan 7, 2019 · I was also getting code P249D and was able to fix it by replacing the def injector. 6L Duramax® Diesel —RPO L5P — GMC Sierra 2500 HD Sierra 3500 HD 20172017 Involved Region or Country United States, Canada, Mexico and Israel Condition Feb 28, 2022 · codes must be repaired before P207F, P20EE, and P2BAD. 2021 Chevy Silverado HD (with 6. Aug 21, 2019 · Had the 5er detached and just pulling the ATV trailer and got P20EE code P0495 code. Jump to Latest Had a P20EE code and the dealer diagnosed it as bad ninth and DEF injectors. Go. M. Save Share Got in it the other day to take it for a spin and the P20EE was back. 9116 posts · Joined 2014 Add to quote; Only show this user #2 May 25, 2017 · Diesel (RPO L5P) GMC Sierra Models Involved Region or Country North America and N. This revision was intended to remain competitive with Ford PowerStroke and Ram Cummins diesel pickups. 6 L5P All GMC Sierra 2500/3500 2020 All All 6. The NOx catalyst is responsible for converting nitrogen Apr 3, 2016 · TL;DR crowd move on. By chessy56 in forum Duramax 6600 Replies: 16 Last Post: 04-18-2019, 16:03. Dealer took the truck in today and did the voluntary recall for the ECM and the TCM reprogramming. Sold 2021 LM2 Sierra 4x4 crew 6. After doing some research it seems that my NOx sensor is faulty. 6 L5P All GMC 2500/3500 Sierra 2020 - 2020 All All 6. Accelerated onto the freeway and the check engine light comes on. and counting, stock. Follow the SI procedure, model year specific, to correct P207F, P20EE and P2BAD. 0 hour of labor. Jul 26, 2023 · Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different 2008 Silverado LT, Crew Cab, 2WD,LB Feb 28, 2022 · Chevrolet Silverado 2017 - 2018 All All 6. SAYWHAT. Show Less . 6 L5P All Involved Region or Country North America Condition A customer may have a concern of a check engine light on. L5P Apr 20, 2022 · P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5 set current or in recent history. Cause: Diagnostics may show that DTC P20EE has set. 6 L5P N/A GMC Sierra 2017 All Involved Region or Country North America. Took him five minutes to 2017 Silverado, L5P w/81K miles. All I can say is that after replacing them and clearing the codes they haven't come back. 20-NA-197 P026D Fuel Pressure Sensor Connector. Called the dealer that was closest to my location and he could not touch it for days. and Ratio Tech kit. or I did the one time payment of $30 for the specific L5p which supposedly includes future updates for the L5P. 6L Duramax (RPO L5P) NOx Catalytic Converter and Reductant Injector Parts Restriction Brand: Model: Model Year: VIN: Engine: Transmission:Brand: Model: from to from to Engine: Transmission: Chevrolet Silverado 2017 All 6. Tothemax xgmtech. 6L Turbo-Diesel (RPO L5P) To: All General Motors Dealers General Motors is releasing Service Update N212336570 today. Cause The technician may nd DTCs P11CC P20EE P226D P249E and / or P249D set. I told my dealer I Jul 11, 2017 · Here is a Duramax L5P ONLY FaceBook Group: https://www. . Once we got home and got unhooked and unloaded, the engine light went off. Most auto repair shops commonly charge between $80 and $150 per hour; however, rates in metropolitan areas or at Cost to Fix P11D5. It has Oct 14, 2022 · And the ONLY code is the P20EE. I purchased the vehicle with 29k miles and it was certified preowned. Oct 27, 2011 · P20EE - SCR NOx Catalyst Efficiency below Threshold Bank 1 P2A00 - O2 Sensor Bank 1 Sensor 1 I'll be damn honest with you - Bad Diesel fuel, or you have an Electrical Problem in the Emissions control sensors. By DieselDavy in forum Industry News Nov 12, 2024 · The P20EE OBD2 code is a common issue reported by Duramax diesel owners, specifically for Chevy Silverado and GMC Sierra models with the Duramax 6. The code came back a couple of times after replacing it for the first 100 or so miles, but I would clear it every time, figure it need to do a Nov 27, 2016 · Got the P20EE code yesterday at 797 miles on the odometer. Will my truck be fine to drive until I get it looked at? At the auto parts store they looked up the code and said the part would be a NOx sensor. You will also notice the symptoms Aug 2, 2018 · The L5P has had some Emissions issues with the DEF system since release and the sensors are part of the problem. Bought my 2023 Silverado in November 2022. 6L engine (LML, L5P variants). I can clear the code with my Edge and drive for a certain number of miles Nov 12, 2024 · The P20EE OBD2 code is a common issue reported by Duramax diesel owners, specifically for Chevy Silverado and GMC Sierra models with the Duramax 6. 6L L5P V8 Duramax engine only) Jul 1, 2020 · To diagnose the P20EE Chevrolet code, it typically requires 1. 6LV-8 Duramax Turbo Diesel (L5P) Terrain 2018 2019 1. Code p20ee dodge ram cummins. In general, replacing a NOx sensor 2 can range from $200 to $500, including parts and labor. 2017 Duramax L5P Diesel. Oct 22, 2017 · 2018 Chevy 3500HD SRW LTZ 4WD LB CC D/A (L5P) -- 2013 Chevy 3500HD SRW LTZ 4WD LB CC D/A (LML) -- 2002 Chevy 2500HD LT 4WD SB CC D/A (LB7) -- 2008 Keystone Cougar 289BHS 32' -- 2016 GD Reflection 323BHS 38' The service writer was well aware of p20ee and said he had several others with the same code. • P11D5 • P20EE Feb 28, 2022 · Subject: 2017 6. Jump to Latest 680 views 0 replies The P20EE automobile fault code is a common issue that triggers the Engine Light ON or Service Engine Soon Warning Light. Dealer states that the spurious CEL's should go away unless something is really wrong. 6 Technical. It’s my old friend P2a00 and p20ee. 6L Duramax Diesel NOX1 Sensor (Part it is critical to understand whether or not the vehicle will pass or fail the P20EE Feb 28, 2022 · Chevrolet Silverado 2500/3500 2020 - 2020 All All 6. I keep clearing the code and in about 200 miles it will come back. This means that the vehicle's emissions control system is not effectively reducing the amount of nitrogen oxide in the exhaust gases, which can lead to increased emissions of this Dec 21, 2024 · Subject: MIL Illuminated- ECM Update for P026C, P20EE, or P11D5 Brand: Model: Model Year: VIN: Engine: from to Transmission: from to Chevrolet Silverado 2500HD/ 3500HD 2021 2021 Before 1GC4YTEY5MF261413 Equipped with 6. I monitored NOx sensors they seem to be working. 5 LLY. 0 Reply. Question: is there a problem driving this thing in the near 4/13/21 - P20EE 4/25/21 - P20EE 5/4/21 - P11DC 5/10/21 - P22FE 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, Bilstein 5100 shocks, Morimoto xB headlights, tail lights and fog lights Sep 28, 2021 · Chevy / GMC Duramax 2017+ L5P Forums. It’s usually caused by a faulty 02, N0x, or exhaust gas temperature sensor, low or contaminated DEF fluid, DEF injector failure, SCR failure, exhaust Feb 28, 2022 · 2020 L5P Suburban 2021 LM2 GMC Sierra 1500 2020 LM2 Sierra 2 500HD/3500HD 2020 L5P Yukon Models 2021 LM2 Involved Region or Country North America, Uzbekistan, Russia, Middle East, Israel, Palestine, Chile (West), Colombia (West), Ecuador (West), Paraguay (West), Peru (West), Uruguay (West), Oct 6, 2020 · 2017 L5P with P20EE code. Oct 16, 2014 607 8 18 new york. I have seen this code twice on 2011s in Mexico which were using the higher sulfur fuel there. 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. In December 2022 at 1370 miles the check engine light came on. 2017 W/T CCLB 4x4. sholtL5P2017 Discussion starter. 6 L5P Condition A dealer may encounter a customer concern of the SES light on, a Glow Plug Control Module (GPCM) DTC, or Sep 6, 2024 · P20EE (SCR NOx Catalyst Efficiency Below Threshold) P203F (Reductant Level Too Low) P2002 (Diesel Particulate Filter Efficiency Below Threshold) By understanding the complexities of the P20E8 code, automotive professionals can efficiently diagnose and repair SCR system issues, ensuring optimal vehicle performance and emissions control. SilverGorillaLML. Page 2 October, 2020 Bulletin No. Removed every fuse and relay labeled fuel, and could not get the lift pump to stop pumping fuel, and the engine never started, just cranked. We suggest you check for reasons and symptoms that may cause the trouble code. Duramax 6. 6 L5P All GMC Sierra 2017 - 2018 All All 6. I went to Autozone and had the code pulled and it was P20EE: SCR NOx Catalyst Efficiency Below Threshold Bank 1. S. Learn how to resolve this issue and keep your Duramax running smoothly. 4. The Check Engine light coming on, and the DEF Quality Poor light coming on, also occured in both situations in Mexico. Oct 21, 2017 · 2017 Chevrolet Silverado 3500HD SRW High Country CCSB L5P Duramax Cognito UCA kit, Truxedo soft tunnel cover, 18" Novakane's death metal wrapped in LT275/70R18 Nitto Ridge Grapplers, BANKS Ram air intake, diff cover, Derringer with Pedal Monster Same P20EE code. 6L L5P V8 engine only. If one is available, program it first. Additional RPO/s: 6. Details: Newest version of the Duramax; similar-but-not-identical hardware to the LML, with a different turbo and tune. Dec 4, 2019 · Also, have zero knowledge about diesel engines. Where do I start with this code. We recently purchased a used 2018 Silverado with 50k miles. Service department diagnosis: soot accumulation of 16%, no exhaust or induction system leaks, verified DPF was not clogged. 04. Apr 9, 2024 · 2024 2024 L5P GMC Sierra 2500HD/3500HD Involved Region or Country North America Condition – P062F, P040B, P041B, P0422, P060C, P062B, P1428, P142A, P20EE, P20FE, P22F9, P244A, and/or P244B Cause This condition may be caused by a software anomaly. S&b filters 2017-19 duramax l5p owners! keep your facebook, 60% off L5p duramax nox sensor #1 and codes 12718742 front nox sensor for chevrolet silverado gmc sierra 2500 3500. Feb 28, 2022 · Chevrolet Silverado 2017 - 2018 All All 6. #4 injector pigtail replaced which was the original issue (P0204), now getting P20EE code. Have changed the fuel pressure sensor and pigtail. With a new torque converter and several other upgrades, the transmission is stout and shouldn’t cause any issues on a stock L5P. Had onstar check it and it's the P20EE code. 5 posts · Joined 2022 Add to quote; Only show this user #1 · Feb 1, 2023. 1; 2; First Prev 2 of 2 Go to page. Ensure it’s Apr 22, 2023 · Subject: Diagnostic Tip for Checking Exhaust System for Leaks for the L5P Engines, Malfunction Indicator Lamp (MIL) Illuminated - DTC P11D5, P14D9, P20EE, P2C7A, P0421 and/or P0402 Set Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Silverado 2017 2018 L5P Silverado 2500HD/ 3500HD 2019 2024 GMC Sierra 2017 Jun 12, 2017 · My 2013 2500HD with LML popped up with P20EE last night while we were running errands. 5 LLY Nov 23, 2020 · Sold 2021 LM2 Sierra 4x4 crew 6. Duramax Hard Parts. romero. Correction If you encounter a vehicle with the above concern, complete the following Mar 14, 2022 · However, the p20ee code gmcDuramax is a DTC (diagnostic trouble code) that applies to the GMC OBD-II vehicle. 9) on some 2017-2020 Colorado, Cruze, Express, Silverado 1500, Silverado 2500/3500, Canyon, Sierra 1500, Sierra 2500/3500; 2017-2019 Savana; 2018-2019 Equinox, Terrain; and 2019-2020 Silverado 4500/5500/6500 models Jan 17, 2019 · Duramax Sixth Generation: 2017-2019 (L5P) PO1050. Anthonyc380 Discussion starter. Correction: Feb 28, 2022 · (RPO L5P) Automatic (RPO MW7) GMC Sierra Models Involved Region or Country North America and N. In a diesel engine, you’ll find a reductant catalyst system. Is this a common problem? Is it drivable? Thanks for any help. 20% tint. : 18-NA-361 Jan 2, 2022 · This thread helped immensely with the replacement of the reductant tank on my 2017 L5P. Minimal driving since then and today the CEL comes on and it is throwing a P20EE. My check engine light code P20EE emissions has came on 6 or 7 times since I bought in in April 2017 . Hesitation Stalling Engine speed flare Unintended acceleration feeling Reduce surge in low speed maneuvers Stumble Feb 28, 2022 · %PDF-1. 6L, DI, Sierra HD V8, Turbo, Duramax, Gen 5GMC (P20EE, P226D, P16F3 and P129F). Mar 23, 2017 · I contacted one of my trained owners in the area, who went to the stranded owner's location, did a code scan, and found the usual P20EE and P2BAD codes which confirm temporary sulfur poisoning of the SCR. D. Feb 28, 2022 · Sierra 2017 2018 L5P Sierra 1500 2020 2020 LM2 Sierra 2500/3500 2019 2020 L5P Sierra Limited 2019 2019 LM2 Terrain 2018 2019 LH7 Involved Region or Country North America Condition Some technicians may comment The P20EE code for Chevrolet vehicles indicates that the Selective Catalytic Reduction (SCR) system's NOx (Nitrogen Oxide) catalyst efficiency is below the specified threshold in Bank 1. Zero charge--they covered everything under warranty, to include replacing the DEF reservoir tank. I guesss his brother has an L5P and had similar Mar 9, 2019 · 2017 Silverado, L5P w/81K miles. The DIC messages will be turned off during the steps embedded in the applicable Service Information document. 6 L5P Oct 3, 2017 · It has the dreaded P20EE code. Oct 18, 2022 · I have a 2018 Silverado 3500LTZ 6. Applications: 2017 and newer Silverado and Sierra. Went to Oreilly to get the codes read and it came back with P20EE, NOx Catalyst efficiency below threshold. Jump to Latest p20ee, p0304 all other codes went away as soon as i changed the injector connector but left me with p249d, p20ee pulled by Mar 13, 2024 · The L5P was a relatively new platform, especially back then. 6L Engine (RPO L5P Involved Region or 2017 3500 DENALI HD, Black,L5P, nav radio, CURT turnover ball, snow plow package, 275-70-18 AT2. I purchased part #12688993 from Rock Auto, $95 half the price of the dealership, installed using the link below for a reference, and it is now fixed. Jump to Latest 12K views 12 replies Feb 28, 2022 · Diesel (L5P) Sierra 1500 2020 2021 3. Taking it to a . 6L Diesel (LH7) Involved Region or Country North America, Israel Condition Some customers may comment that the MIL is illuminated. All within the first 1500 miles. This is a brand new vehicle with less than 1k miles this shits insane!!!! This is my first gm product and I’m pretty sure May 17, 2024 · If you’re driving a 2021 Chevrolet Silverado with the 6. Feb 28, 2022 · P026C and/or P20EE (Unsold Only) Models: 2021 Chevrolet Silverado HD 2021 GMC Sierra HD Equipped with Duramax 6. I changed the tank and cleared the P2ADA code and am back on the road. On the trip home on Friday the engine light came on and stayed on the whole trip. '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. 6L L5P Duramax V-8 Turbo Diesel. Jul 4, 2016 · All ran fine and pulled great. 432 posts · Joined 2003 Add to quote; Only show this user #16 · Aug 12, 2021. Mcgaughy's 2" drop shackles. I also believe that some are to sensitive to the new model blues but do agree Aug 17, 2013 · For what it is worth, the P20EE Code definition is "SCR NOx Catalyst Efficiency below Threshold Bank 1". 2017-19 GM T-K2 Platform Powertrain P249d won't clear. 2020+ GM T1 Platform Powertrain. This scanner will read the engine’s fault codes and help pinpoint the problem. Our NOx2 behaves properly and returns good readings most of the time, but will at the same time throw those circuit and Feb 28, 2022 · Chevrolet Silverado 2500/3500 2020 All All 6. So far they have : Done a regen Search. 8 KB Views: 598. Next, inspect the DEF fluid. N Fab running boards, Duraflaps, Rhino lined bed Traded:05 lly ccsb 205k miles, built trans and supporting mods Traded:09 LMM CCLB Bone stock, fully loaded. 1 1 of 4 Go to page. 11328 posts · Joined 2015 Add to quote; Only show this user #3 Feb 28, 2022 · Chevrolet Silverado HD 2020 2020 L5P Engine-Diesel, 8 Cyl, 6. Let’s now know how to diagnose the P20EE code and what to check one by one. This means the SCR system is not adequately reducing nitrogen oxide emissions. Would holes in the exhaust system throw this code? A co worker of mine suggested driving the interstate for a while or just adding DEF fluid. 2011 Tamper Group 1: P203D, P2047, P208A, P21AB, P21B0. What are the symptoms of a P20EE code? Mar 31, 2024 · My real problem is P20EE I clear it and it comes on 1-2 days later can’t get rid of this code. Nov 19, 2024 · Decoding the P249D Code on Duramax Engines: Comprehensive Guide to Causes, Symptoms, and Expert Solutions. ” It usually shows up when the powertrain control module (PCM) detects that catalyst efficiency is below threshold on bank 1. Export Regions • P20EE • P22FE • P244C • P2476 • P24B1 • P24C7 • P2635 • P2636 • P2BAA Note: Engine first order vibration measured at the driver's inboard seat track will be Nov 26, 2019 · Can anyone help me locate the fuel pressure sensor wire connector on a 2017 L5P? Thanks- Attachments. 86xxx miles. L5P . fixed 😁. 18 hours ago · When a P20EE is stored in a diesel powered, OBD-II equipped vehicle, it means that the powertrain control module has detected that catalyst efficiency is below threshold for a certain engine bank. Reactions: littlehippy93, Chevysharkin1 and OkDually. This helps the vehicle turn nitrogen oxide (NOx) into nitrogen, helping to dramatically reduce the number Jun 13, 2021 · Chevy / GMC Duramax 2017+ L5P Forums. g. 2020+ GM T1 Platform Powertrain Check Engine Light - Code P20EE on my 2021. P20e8 only when hot outside. 5 LLY 2500HD - Sold. 2017 GMC Sierra 2500HD SLT CCSB 4x4 L5P Duramax, stock 2003 Chevy Silverado 2500HD LS ECLB 2WD 6. 2010 (Vans with LHG only ) and 2011 Tamper Group 1: P203D, P2047, P208A, P21AB, P21B0. Save Share Nov 15, 2021 · Chevy / GMC Duramax 2017+ L5P Forums. Jump to Latest 21K views 10 replies Nov 23, 2015 · On my way to work this morning the CEL came on and the only code it is showing is 'P20EE SCR NOx Catalyst Efficiency Below Threshold Bank 1'. Save Share Reply Quote Like. VIN Digit: Y. The SCR system is a crucial component in reducing harmful emissions from the vehicle's exhaust gases. does anyone now what it is? Save Share Reply Quote Like. Sort by Oldest first Oldest first Newest first Most reactions. Feb 28, 2022 · P0299, P0712, P11CC, P11DC, P2002, P2459, P2463, P2627, P200C, P200E, P20EE, P22B6 and/or P2A00 Set Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Colorado 2016 2020 Diesel (RPO LWN) Express GMC Canyon Savana Involved Region or Country North America, Israel, Middle East Condition Oct 29, 2015 · P2 bad P20EE. 2017 Chevy Silverado 3500 L5P. Bone stock Jun 25, 2022 · Had P20EE at 6,000 miles on my 22 L5P. pdf. Jun 3, 2024 · Chevy / GMC Duramax 2017+ L5P Forums. I asked if it could go into limp mode. bulletin, I doubt you have seen the last of P20ee. Dec 20, 2022 · Check Engine light illuminates, scan shows P20EE "SCR NOx Catalyst Efficiency Below Threshold Bank 1". johnjr. Starting to get code P20EE which suggests a "low catalyst efficiency". Mar 10, 2023 · P20EE Code Duramax Fix. I have been running Walmart Def in my 17 L5p May 15, 2024 · Chevy / GMC Duramax 2017+ L5P Forums. Black Smoke. 6L L5P V8 Duramax engine only) 2021 GMC Sierra HD (with 6. Had them clear the code and it stayed off on the way home. I have replaced both nox sensors and def injector with no change in nox performance, reset sensors with snap on scanner. 6 L5P All Involved Region or Country: North America and Israel Condition: A dealer may encounter a customer concern of the Malfunction Indicator Lamp (Check Engine Light) coming on. wmandd Discussion starter. Sometimes it’s best to let the professionals handle the situation. Join Community Grow Your Business Forum Staff View All. A. Dodge's new truck Diesel ready for 2010 emissions today. ~50 miles later another code is present, P11D5 "NOx Sensor 2 Exceeded Minimum Learning Limit". The cost of repairing a P11D5 code can vary depending on the specific cause of the issue. After Jan 25, 2018 · NOTE: It should be noted that the presence of code P20EE rarely indicates a failure of a catalytic converter itself, and that other codes relating to the reductant injection system are almost invariably also present when code P20EE is present. May 3, 2024 · 2018 Chevrolet Silverado 2500 HD LTZ 6. Correction: Nov 26, 2021 · I've serached the forum a bit and come up empty handed. 2 with banks system. I can clear the code with my Edge and drive for a certain number of miles without the code reappearing- but, it eventually returns. 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. Search titles only By: Search Advanced search Search titles only L5p P20EE Thread starter UnclePhil; Start date Oct 3, 2017; Forums. Tackling Duramax P20EE code problems takes some mechanical know-how and the right tools. Nov 20, 2022 · Most modern cars come equipped with components to help reduce emissions released into the environment. As my luck would have it, 4 days in and the check engine light comes on. In addition, got the DEF quality poor message, and going into limp mode in 100 miles. 6 L5P All Involved Region or Country North America Additional RPO/s: 6. While doing a deceleration May 27, 2023 · Chevy / GMC Duramax 2017+ L5P Forums. 19441 posts · Joined 2007 Add to quote; Only show this user #2 Jun 29, 2017 · Silver bullet, I hope your truck is fixed but if they did the Oct. While it was similar to the previous 6. Show more replies. Correction Please check for any updates to the TCM. DMAXfirefighter Moderator. Jan 29, 2024 · I was having P20EE, P11CC about every 150-190 miles since prob Aug of last yr, which I narrowed to the upstream position 1 NOX sensor, but I was to cheap to buy the part, then early last month I got a P249D or it was P249E. 91. P20EE CODE QUESTIONS PLEASE HELP ! Jump to Latest 983 views About 200 miles later after replacing NOX 2 and doing the forced regen the P20EE came back. This particular code stands for SCR NOx Catalyst Efficiency Below Threshold (Bank 1), which relates to the operation of your Selective Catalytic Reduction (SCR) system Feb 28, 2022 · Chevrolet Silverado 2017 All 6. 14 LML 2500HD CC 4x4 - Sold. Here’s a table made with all the possible and potential causes of p20ee code Duramax l5p. GM's 2017 6. 3, '15 6. However, there will be some symptoms and Oct 3, 2017 · I had the P20EE code twice in the first 1200 miles, then a pretty healthy coolant leak from the hose between the egr cooler & turbo. 6 %âãÏÓ 21 0 obj > endobj 41 0 obj >/Filter/FlateDecode/ID[]/Index[21 31]/Info 20 0 R/Length 95/Prev 103336/Root 22 0 R/Size 52/Type/XRef/W[1 2 1]>>stream Nov 29, 2021 · I had the truck plugged in by a mechanic and it read P20EE “SCR NOx catalyst efficiency below threshold tanks 1” '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04. In the service info tests procedures, if it passes the Reductant System Malfunction Service Bay Test, it says it is good. It is the case of reduced catalyst efficiency of your Duramax diesel engine. When the NOx Catalyst efficiency May 7, 2024 · My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE manifolds and up-pipes, Limitless 1078 TC, Stock trans with Trans Go Jr. Melonhead1102 Super Moderator. I didn't need to clear the DIC emissions notification, it cleared itself. '18 L5P, '16 5. More About the P20EE Code. This particular code Feb 17, 2020 · Anyone run into this on a l5p? Fuel rail pressure performance during deceleration. These codes indicate the presence of software anomalies in Nov 16, 2022 · P20EE NOx Catalyst Effieciency Below Threshold DTC severity 3 of 3: Stop and repair vehicle immediately My shop can't get me in for a couple weeks and I need to be on the road a bunch this month. These components (e. I only had the truck 3 days and I already have the engine light on. I did a bit of research and found that there are two Feb 28, 2022 · Chevrolet Silverado 2017 All All 6. 6 L5P Condition As part of our ongoing quality improvement efforts the 2017 6. I only use AC Delco DEF fluid Mar 17, 2017 · P20ee I have a new 2018 2500 Chevy Duramax. What is the cause? Is there a recall for these sensors? 2017 2500HD GMC DENALI L5P. All codes must be repaired before P207F, P20EE, and P2BAD. Jun 2, 2021 · The 6-speed automatic Allison 1000 transmission on the L5P is the strongest Duramax transmission yet. Aug 25, 2024 · Steps to Diagnose the P20EE Code. Correction Dealers are to reprogram the engine control module. 0L Diesel (LM2) Sierra 2500/3500 2019 2021 6. Other than pretty poor fuel economy on the last tank of fuel the truck runs great. 6L L5P V8 Duramax engine and notice the dashboard warning lights illuminating, it’s likely that faulty fuel injectors are to blame, specifically triggering trouble codes P026C and/or P20EE. Jun 5, 2021 · The problem: affected trucks may throw a falsely set fuel injector diagnostic trouble code of P026C and/or P20EE. Oct 7, 2017 #21 0 issiues with my 17 with 8500 on it. Mar 30, 2021 · 2018 GMC l5p ccsb stone blue metallic. Has anyone else had this code show up? Truck is a 2013 GMC, 35k miles, factory emissions still intact and running Opti-Lube XPD fuel additive. I used my Banks iDash to see that it is a P20EE code, which means, "P20EE: SCR NOx Catalyst Efficiency Below Threshold Bank 1". Start by using an OBD-II scanner to confirm the P20EE code. previous: Nov 22, 2020 · 2017 l5p has a code p20ee . I’ve also performed a manual regen and that was successful but code still came on couple miles later 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 CCSB, 2010 LMM 2018 L5P Duramax 1984 k10 6. TDFDiesel. Changed out 5 injectors. Jul 28, 2019 · I have a 2019 2500 silverado and the dealer has had my truck for a significant amount of time because they can not figure out why my truck is showing code P20EE NOX Oct 16, 2022 · Here's how I solved my P20EE and P249D codes that have been plaguing me for months. GM Engineering has developed a field fix for the above conditions. previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4 Oct 18, 2023 · When I got home I plugged my in code reader and three codes stored: P20EE, P249D and P22FE. vehicles involved is approximately 9,885. At highway speeds nox1 is usually around 200-300ppm and nox 2 is almost always higher, rarely even with 1 and sometimes as high as 1100ppm, monitoring Jun 24, 2020 · 2017 Summit White L5P, 2009 2500HD LT LMM. Had water in fuel. viper8315 Dec 9, 2024 · L5P (2017-2019) maintenance lessons I learned the hard way so you don't have to: rear brakes, indirect (ninth) fuel injector, DEF injector, DIC/screen. Save Share P20ee issues while GM threw parts at it and then decided it was my fault for not using GM DeF days after finally resolving that with the computer update another Cel referencing the DeF injector popped up and it was The P20EE GMC code indicates that the Selective Catalytic Reduction (SCR) system's NOx (nitrogen oxide) catalyst efficiency has fallen below the threshold for Bank 1. Even after resetting multiple times they come up regularly and even after replacing both the injector and the sensor the truck is having regular problems with this code. This fault code may also appear in other OBD-II cars like Toyota, Audi, Ford, Chevrolet, Volkswagen, etc. To fix the issue, you can take advantage of GM’s service update solution, which involves reprogramming the Engine Control Jun 5, 2003 · 2021 Duramax L5P CEL - P20EE: SCR NOx Catalyst Efficiency Below Threshold Bank 1 We were driving down a steep grade using the exhaust brake yesterday and got a CEL. Dec 14, 2020 · Duramax Sixth Generation: 2017-2019 (L5P) P20EE and P20FE codes. Truck has 185K and I got it not quite a year ago somewhere in the 17xK range. This particular code stands for P20EE Code Duramax is a diagnostic code that appears on the OBD II scanners due to a broken NOx sensor of the exhaust, contaminated DEF, and incorrect programming. Which did fix it for a couple thousand miles. Truck keeps throwing a p20EE, So far we have replaced both NOX sensors, the DEF injector and the ECM and the code won't go away. 10 posts · Joined 2015 Add to quote Service Emissions System and I/M Test DTCs P20EE and P2BAD Update: operated this 2012 Chevy Duramax for about 3K miles with P20EE and P2BAD stored as "hard codes Nov 14, 2024 · message. 1396 posts · Joined 2004 Add to quote; Only show this user #17 Feb 28, 2022 · 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. Prev. Oct 4, 2016 · Postings of Tech Service info for any New L5P engine issues. the catalytic converter) do a good job of making our environment safer. Aug 9, 2017 · 23 L5P 2500HD AT4 - Sold. Cause The technician may nd DTCs P11CC, P11D5, P20EE, P226D, P249E and / or P249D set. 6L Duramax, the 2020 version had some distinctions from earlier 2017-2019 models, particularly in the rotating Jun 8, 2018 · L5P. Took to dealer today and they said both sensors working fine and did a relearn. By More Power in forum Updates & Announcements Replies: 3 Last Post: 12-05-2016, 09:24. Desired at 10200 and actual will bounce 9 to 13k. 6 L5P N/A GMC Sierra 2017 All 6. Oct 3, 2017 · L5p P20EE Thread starter UnclePhil; Start date Oct 3, 2017; Forums. 6L (Y L5P) 6-spd (1000) — 1GC1KWEY6J⦁⦁⦁⦁⦁⦁⦁ Messages all went away and all is good until you get about 20-30 miles on it and the P20ee comes back. 7 posts · Joined 2021 Add to quote Nov 28, 2022 · 2017 L5P **CODE P1050 REDUCTANT LEVEL SENSOR INVALID RANGE** Jump to Latest 11K views 2 replies 3 participants last post by shunter2005 Apr 27, 2023. At 40,573 miles DTC P2002 came up. I once went almost 4k miles. Illuminated DTC P20EE, P140B, P2002, P113B, P16F3, P206B, or P0046 Set —Various Other DTCs May Also be Set Chevrolet Silverado 2500 HD Silverado 3500 HD 2017 2017 —6. Have been getting the p0191 code for the last year and a half. Question: Jump to Latest 2K views I have gotten P20EE 4 times and P20FE twice. Parts No Jul 17, 2023 · Chevy / GMC Duramax 2017+ L5P Forums. To diagnose and fix the P20EE Code, you have to check all the cases properly. p11d5 code. 2017-19 GM T-K2 Platform Powertrain. '17 L5P went into shop several time. Jun 4, 2021 · The problem: affected trucks may throw a falsely set fuel injector diagnostic trouble code of P026C and/or P20EE. P2200, P2205, P229E, P22A3, Feb 1, 2023 · Code P20EE. W. 1 post · Joined 2022 Add to quote; Only show this user #1 · Nov 28, 2022 (Edited Nov 16, 2024 · 2018 Chevy Silverado 2500 Hd L5p Nox Sensor Locations Diagra. Picked up my new LML just this past Wednesday from a used car dealer in Houston and started the drive to Plano to visit some friends and pick up a new piece of equipment for my business. 6L L5P V8 Duramax engine only) The P20E8 fault code in automobiles indicates a problem with the Reductant Injector system. Dec 28, 2016 · Im having a lot of problems with the P22EE codes. It can be caused by various factors, including exhaust leaks, fuel contamination, faulty Diesel Particulate Filter (DPF), NOx sensor, Diesel Exhaust Fluid, or Selective Catalyst Reduction (SCR) Catalyst. Duramax Newbie 2023 Discussion starter.
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