P20ee duramax 2017. Built in Feb 2017, sat on dealer lot all summer (hot).

P20ee duramax 2017 Dec 20, 2022 · 2017 Chevrolet Colorado Duramax w/ ~55k miles, everything OEM. Starting to get code P20EE which suggests a "low catalyst efficiency". 5-inch wheels with Michelin XDS2 tires | Timbrens Sep 28, 2021 · I have just 8000K on my 2021. It has drank def much quicker than the 2011 and 2015 I had previously. Jul 20, 2021 · This morning just had code P20EE pop up after using my Exhaust Brake feature for the first time on my new 2021 Chevy Silverado 2500HD Duramax with a little over 12,000 miles. 250 miles since (now 890 miles) and no light so far. Jul 28, 2019 · This morning just had code P20EE pop up after using my Exhaust Brake feature for the first time on my new 2021 Chevy Silverado 2500HD Duramax with a little over 12,000 miles. The P20EE code indicates an issue with the Selective Catalytic Reduction (SCR) system. 6L Engine (RPO L5P Involved Region or Country North Dec 2, 2021 · P20EE stands for “SCR NOx Catalyst Efficiency Below Threshold. Added 5 gallons of fresh "Kleen DEF", so it must have been getting low + stale in the heat. Check Engine light illuminates, scan shows P20EE "SCR NOx Catalyst Efficiency Below Threshold Bank 1". to Chevy and GMC Duramax Mar 17, 2017 · 650 miles on new truck. 6L Engine (RPO L5P GMC Sierra 2500HD/ 3500HD 2021 2021 Equipped with 6. Chevrolet Silverado 2017 All 6. Other than pretty poor fuel economy on the last tank of fuel the truck runs great. Got the P20EE CEL 5 days ago. First I got the P20EE, then a short time after I got the P249D. 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 Jan 2, 2022 · Chevy / GMC Duramax 2017+ L5P Forums. 2017-19 GM T-K2 Platform Powertrain P20EE CODE QUESTIONS PLEASE HELP ! Hey guys and gals, I have some questions on the P20EE Nov 27, 2016 · 2017 gmc 3500 duramax 6. Appointment with dealership set for Tuesday. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less Aug 25, 2024 · Seeing the P20EE code on your Duramax engine can be frustrating, especially when you’re unsure about the cause or how to fix it. 2017 Silverado, L5P w/81K miles. 2017-19 GM T-K2 Platform Powertrain P20e8 only when hot outside. This comprehensive guide on diagnosing and resolving the P20EE engine code issue offers auto technicians valuable information regarding common causes, step-by-step diagnostic procedures, and the protocols Oct 22, 2017 · Duramax Sixth Generation: 2017-2019 (L5P) P20EE - SCR Oxides Of Nitrogen Catalyst Efficiency Below Threshold (Bank 1) The code was in there 3 times with Sep 11, 2022 · I just bought a 2017 Duramax. 6 L5P Condition As part of our ongoing quality improvement efforts the 2017 6. Oct 16, 2022 · Here's how I solved my P20EE and P249D codes that have been plaguing me for months. 8L Duramax (GDE tuned), RevMax TC, Improved Racing trans t-stat, CX Racing trans cooler, Rokblokz mud flaps, ARE Z-Series shell, DD SS3 Pro amber fogs ** Falken Wildpeak A/T4W 265/70R17 on ZR2 wheels, Fox 2. Factory DEF is 7 months old. com As you are searching for fixing the P20EE Code on your Duramax, we have covered a guide to help you. I was going to make my way 1 hour to my closest dealer, but then seen this thread. does anyone now what it is? Save Share Chevy and GMC Duramax Diesel Forum. Just filled it with 2. Aug 9, 2021 · * 2017 GMC Canyon Denali CCLB 4x4 ** 2. Dec 9, 2024 · 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. 5, 2017 - Added Engine Vibration information to the Condition section. Jun 13, 2021 · Chevy / GMC Duramax 2017+ L5P Forums. Sep 28, 2020 · I've had a P20EE code pop up for the past couple months. I cleared the code and 3 days later the code is back again. 6 took off today and dash displayed reduced power the mil lighy came on and the engine stopped would not turn over turned key nothing after a couple of min. Truck has 185K and I got it not quite a year ago somewhere in the 17xK range. This system is crucial for reducing nitrogen oxide (NOx) emissions in diesel engines. Reset light. Lets see what happens. Jump to Latest 75K . Jul 11, 2017 · P20ee I have a new 2018 2500 Chevy Duramax. 8M posts 219K members Since 2005 A forum community Common among diesel engines, the P20EE Diagnostic Trouble Code (DTC) points to a fault with the nitrogen oxide (NOx) catalyst efficiency or Selective Catalytic Reduction (SCR) system. Jump to Latest Jan 16, 2023 · * 2017 GMC Canyon Denali CCLB 4x4 ** 2. 6 L5P N/A GMC Sierra 2017 All Involved Region or Country North America. 0 coilovers, Deaver expedition leafs, RS9000 rear shocks, Sasquatch Provent, GM skid plates, EE CPAM Modified June 19, 2017 - Added TCM information. Been hoping it might just be bad fuel, DEF, or something else that might have driven it, so I've reset it a couple times, but it always comes back. We suggest you check for reasons and symptoms that may cause the trouble code. Had onstar check it and it's the P20EE code. I replaced nox1 and now I have a p20ee code permanent. had besides reg cab trucks was a 2017 Volt. 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. 29, 2017 - Remove VIN breakpoint. See full list on trucksauthority. I only had the truck 3 days and I already have the engine light on. 0 coilovers, Deaver expedition leafs, RS9000 rear shocks, Sasquatch Provent, GM skid plates, EE CPAM Jul 22, 2021 · Using portable 5 gas for SCR Diagnostics The P20EE automobile fault code is a common issue that triggers the Engine Light ON or Service Engine Soon Warning Light. The code retrieved form my OnStar is P20EE. I can clear the code with my Edge and drive for a certain number of miles without the code reappearing- but, it eventually returns. 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 May 15, 2024 · Chevy / GMC Duramax 2017+ L5P Forums. No DEF messages from the truck. 6L engine (LML, L5P variants). 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. Would turn over no start throwing p0087 code Nov 22, 2020 · 2017 l5p has a code p20ee . 19, 2017 - Added VIN information and update Condition information. HELP (Code P2ADA) 2017 L5P Here's how I solved my P20EE and P249D codes that have been 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. On the way home check engine light came on for nox1. Additional RPO/s: 6. Built in Feb 2017, sat on dealer lot all summer (hot). 6L Duramax Diesel NOX Catalyst (Part Number84235516)and Reductant Injector (Part Number 12670033)have been placed on a parts restriction Jun 12, 2017 · My 2013 2500HD with LML popped up with P20EE last night while we were running errands. 2017-19 GM T-K2 Platform Powertrain. Sept. Mar 9, 2019 · 2017 Silverado, L5P w/81K miles. Oct 14, 2022 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. ~50 miles later another code is present, P11D5 "NOx Sensor 2 Exceeded Minimum Learning Limit". 2017-19 GM T-K2 Platform Powertrain P249D L5P Help. Accelerated onto the freeway and the check engine light comes on. Can Anyone help on where I should go from here? Jan 7, 2019 · Chevy / GMC Duramax 2017+ L5P Forums. 3. July 12, 2017 - Updated the Correction section and Warranty Information. To diagnose and fix the P20EE Code, you have to check all the cases properly. 5 gallons of DEF. This emission-related issue often stems from problems with the NOx sensor, exhaust, or DEF fluid. ” It usually shows up when the powertrain control module (PCM) detects that catalyst efficiency is below threshold on bank 1. When this code appears, it means that the efficiency of the NOx catalyst has fallen below acceptable levels. Truck is a '13 LML with around 65K on it. hbat mywg ujuqg lvzvf blwvsc oun fgjyt eey eoxo xjmdy