P2c7a duramax. I too have the P2c7a I have a 2021 RST with the 3.

P2c7a duramax Combien de ces capteurs NOx-iques y a-t-il Dec 27, 2024 · 65 000 mil na moim LM2 z 2021 roku; i po raz drugi kontrolka silnika z kodem P2C7A. Autozone read the code as P2C7A identified as above. All the bells and whistles went off, check emission, real axel alert, real weird codes for the reported issue. I went to start to truck to run to the park office and immediate check engine light. The second is a pressure leak test where soapy water is applied to the outside of the area being tested and leaks Mar 18, 2024 · Hello folks, I successfully repaired my coolant control valve at home, no dealer fees, or WAITING for spare parts required…My 21 Sierra started throwing the P1098 code at 63k miles and blasting fans at 100% power. first CEL came on around 21k miles or so and has continued to come on every few months thereafter. º 1, ambos en garantía. Oct 1, 2022 · De camino al trabajo en la Interestatal, se encendió la luz de verificación del motor. P2C7A (1/ 1) Code permanent See Original Jump to Latest 21K views 5 replies 3 participants last post by slythetove Nov 29, 2022 Jun 10, 2023 · Haven't had this happen before this week. im not sure if the first code was a P2c7a, but im almost certain that the last one was. 0L LM2 Diesel setting DTC P2C7A Models Correction: Reprogram the ECM and perform the fuel injection small quantity data reset. 0 Duramax 40K en el reloj. First they said a software update would fix it, then it was a bad DEF sensor, and now it's back for a third time. Mar 6, 2024 · Auf dem Weg zur Arbeit auf der Interstate ging die Motorkontrollleuchte an. Additional costs may apply if other components need to be replaced or if there are extensive wiring issues. . Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Jul 14, 2023 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. I'm going to clear it and see if it actually comes back. Feb 18, 2024 · Auf dem Weg zur Arbeit auf der Interstate ging die Motorkontrollleuchte an. Come join the discussion about. Unfortunately all the dealerships in my area are way behind and don’t do loaner vehicles. Dealership is now waiting on parts (no eta) to fix it. 0 and have had issues with the check engine light since early on. Temperature states; sensor 1 32 degrees F 2 33. 2 wurde ausgetauscht. Take it into the dealer and it shows a code for a failed Nox Sensor. El PIP5888A 3. 0L Duramax BoostN Mar 8, 2023 Replies 5 Views 4K Mar 9, 2023 Jun 6, 2024 · I am considering a 2024 or 2025 1500 Sierra with 3. Code P2C7A-00 indicates auxiliary coolant pump malfunction, affecting engine temperature regulation. Das erste Mal war vor etwa 8 Monaten, der NOx-Sensor Nr. We would like to show you a description here but the site won’t allow us. CODE P2C7A RELATED TO NITROGEN OXIDES CATALYTIC CONVERTER 2 EFFICIENCY BELOW THRESHOLD. I have the 1500 DuraMax Diesel. The message that received is "An issue with the emissions system has been detected Nov 29, 2022 · 2020 3. 0 duramax rst. 0L Duramax P2C7A-00 Code Auxiliary Coolant Pump Issue Sierra 1500 often faces auxiliary coolant pump failures and related engine cooling system warning codes. I too have the P2c7a I have a 2021 RST with the 3. I have premium warranty which is a good thing. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Jul 27, 2024 · HPTuners finally releases tuning suite for 3. In the event of a conflict between the procedures set forth in this bulletin and the laws 2020 Chevrolet Silverado with 3. He did not drive the vehicle nor do I have a print-out of the freeze frame data (data the We would like to show you a description here but the site won’t allow us. In the event of a conflict between the procedures set forth in this bulletin and the laws Malfunction Indicator Light (MIL) Illuminated - DTC P200A, P2384, P111E, P0071, P214E, P2B60, P1010, P226D, P24B0, P2C7A and/or P14D9 Set Correction There are two different types of leak tests that can be performed on the induction or exhaust system. 46K subscribers Subscribe Nov 14, 2025 · I just received another CEL on my 2020 Silverado. A week later I popped the 421 code. Jan 31, 2020 · 20-NA-039 Chevrolet Engine Control System TSBMake: Chevrolet Number: 20-NA-039 Title: Malfunction Indicator Light (MIL) Illuminated - DTC P200A, P2384, P111E, P0071, P214E, P2B60, P1010, P226D, P24B0, P2C7A and/or P14D9 Set Date: 1/31/2020 Models: 2020Silverado 1500 Summary: Jun 5, 2022 · So that begs the question why didn’t this problem show up earlier? I’m at ~17,500 miles and this CEL (attributed to P2C7A) just started up coming up a few weeks ago. Web got a check eng light on my 2015 gmc denali 2500 diesel. The 'reductant pressure too low closed loop' code indicates low DEF (Diesel Exhaust Fluid) pressure in the SCR system. 000 Meilen auf meinem 2021 LM2; und zum zweiten Mal Motorprüfung mit dem Code P2C7A. Cette fois, le capteur NOx n°1 a été remplacé, les deux sous garantie. PERFORMED EXHAUST PRESSURE TEST AS PER BULLETIN 22-NA-168 FOUND AIR LEAK AT THE "NORMA" CLAMP. FOUND THE INTERMEDIATE PIPE EXHAUST CLAMP IS THE CONCERN. 000 milhas no meu LM2 de 2021; e pela segunda vez, verifique o motor com um código P2C7A. In addition, malfunctioning filters, faulty SCR injectors, low-grade fluids, and failed selective reduction catalysts cause P20EE. Jul 13, 2023 · Just bought a brand new 2023 GMC Sierra with the 3. Dec 20, 2024 · Onderweg naar het werk op de Interstate ging het controlelampje van de motor branden. Jul 2, 2023 · On way in to work on Interstate, check engine light came on. If Jul 6, 2025 · The P2C7A code is a diagnostic trouble code (DTC) found in some modern vehicles. Engine and truck related news for OEM updates and available or coming soon Aftermarket Parts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Just purchased a used 2021 gmc at4 duramax 3. 0 duramax. Mar 23, 2024 · Seems that many of us are experiencing CEL's with or without DIC warnings lately. Engine , Transmission, Etc. The main contributor to these crystals forming are induction leaks and exhaust leaks. Based on the DTC P2C7A and the specific details related to your vehicle, the 2021 Sierra 1500 Duramax is equipped with three NOx sensors. 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. Always clear them and continue on. Supposedly replaced some sensors. Dec 27, 2024 · The P2C7a can be set for many reasons, exhaust leak is the most common, there can be failures in nox sensors and it could also come from incorrect readings of other sensors as well. Check engine light just came on at 63k miles and the code states NOx catalyst efficiency below threshold bank. Los indicadores parecían normales y no había ruidos ni rendimiento del motor fuera de lo común que pudieran indicarlo. Anyone having the same issue? The code I'm getting is P2C7A. For a while I could restart the engine and it would go away, eventually that Apr 9, 2024 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. But this morning the voltage was holding between 14V and 14. Ile jest tych czujników NOx-owych? To wydaje się niedorzeczne. 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. If you experience the condition described above evaluate the vehicle for Oct 1, 2022 · Auf dem Weg zur Arbeit auf der Interstate ging die Motorkontrollleuchte an. Arrêté chez le concessionnaire après le travail et le code P2C7A a été défini. I’ve read many threads of this happening to others, but none on a brand new vehicle. Jul 28, 2024 · My research indicates that it could be multiple items but my dealer is telling me I need a new catalytic converter although the tech did not drive, I have do not have a print out of the freeze frame data that resulted in the code and it could be something as simple as you suggestion, O2 sensor, NOx sensor (which I'm hearing that part mentioned m Dec 23, 2024 · hello, I've got a 2022 silverado rst 3. LEAKING. Sep 4, 2025 · P2C7A on the 3. If a Oct 10, 2018 · Malfunction Indicator Light (MIL) Illuminated - DTC P200A, P2384, P111E, P0071, P214E, P2B60, P1010, P226D, P24B0, P2C7A and/or P14D9 Set Attached. They updated mine so fingers crossed and I'll keep you updated. De meters zagen er normaal uit en er waren geen ongewone motorgeluiden of prestaties die het konden vertellen. In doing so, the oil and water vapor actually builds up in Nov 1, 2022 · PIP5888 Chevrolet Technical Service BulletinMake: Chevrolet Number: PIP5888 Title: 3. I Aug 12, 2022 · 22-NA-168 GMC Engine Control System TSBMake: GMC Number: 22-NA-168 Title: Diagnostic Tip for Checking Exhaust System for Leaks for the LM2 Engines, Malfunction Indicator Lamp (MIL) Illuminated - DTC P11D5, P14D9, P20EE, P2C7A, P0421 and/or P0402 Set Date: 8/12/2022 Models: 2020-2021 Sierra 2020-2022 Sierra 1500 2022 Sierra 1500 Limited 2021-2023 Yukon 2021-2023 Yukon XL 2020-2021Sierra 2020 Mar 8, 2025 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 0 Duramax Diesel Engine. Na het werk gestopt bij de dealer en code P2C7A werd ingesteld. Was wondering if anyone has installed a larger replacement fuel tank? My previous 3. I have only owned the truck 3 weeks Has anyone else seen these codes back to PIP5888 3. Ive read owners getting new seals from dealers checking for leaks, new catalytic converts. 0 may face turbocharger boost issues and exhaust gas recirculation faults. Mostly, P2381 or P2383 codes with a couple others thrown in. Is this going to be an ongoing issue? Do I need to make more of an issue with this and return this truck? 2020 3. No reductant pressure and inhibit due to reductant temperature to low. De ontvangen melding is "Er is een Feb 3, 2024 · Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Mar 16, 2021 · On way in to work on Interstate, check engine light came on. Tech is recommending replace the cat converter. I crawled under the vehicle and saw the DEF injector under the passenger side was spraying DEF on the frame. When Mar 5, 2020 · I'm in the same boat. 5V. Took it to dealer Nov 7, 2023 · Hi I read you post and today I have the same problem with my 2022 GMC sierra 3. 8 We would like to show you a description here but the site won’t allow us. Les jauges semblaient normales et il n'y avait pas de bruits de moteur ou de performances inhabituels qui pourraient le dire. Jul 21, 2022 · What was the outcome? Im having the same issue on my 2022 Sierra Elevation 3. 24K subscribers Subscribe 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. The first is a smoke leak test where the area being tested is filled with pressurized smoke and the leak is detected by visually inspecting for smoke exiting the system. Diesmal wurde der NOx-Sensor Nr. Le Jul 25, 2022 · P2C7A is a NOx efficiency code related to the SCR and/or NOx sensors. Subject: Malfunction Indicator Lamp (MIL) Illuminated - DTC P2C7A Set Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling What is OBD-II Code P2C7A? OBD-II Code P2C7A is a code that is set by the OBD-II system when the engine control module (ECM) detects that the Selective Catalytic Reduction (SCR) NOx catalyst efficiency is below the threshold on bank 1 catalyst 2 of the engine. Nov 20, 2024 · Just bought a 2020 Silverado with the duramax engine. The DPF is located under the vehicle in the exhaust system. 0 Duramax I would like to know if you know what was the problem with you truck?. 0L Duramax Diesel Engine (LZ0). Did not see any other posts on this on the forum but also know diesels are a minority here Oct 24, 2022 · Took my 2nd truck in again today for the P2C7A and they had a new ECM calibration (dated 11/1/2022) just like you mentioned. 0 Diesel. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Die empfangene Duramax L5P often faces reductant pressure sensor faults and SCR system injector failures causing emission errors. La primera vez fue hace unos 8 meses, se reemplazó el sensor de NOx n. 2021 Sierra 3. Jul 10, 2025 · The P2C7A trouble code stands for “NOx Catalyst Efficiency Below Threshold Bank 1. Otrzymana wiadomość brzmi: „Wykryto problem Sep 26, 2024 · Well, this is the third time this code has came up, I just got it back from the dealer after a new DEF tank and pump. P2C7A (1/ 1) Código permanente See Original Jump to Latest 21K views 5 replies 3 participants last post by slythetove Nov 29, 2022 Nov 29, 2022 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling, and shipping dangerous goods. I’m going to have to find another dealer outside the area to pursue this further. It points to a problem related to the engine or transmission system, especially involving sensors that monitor how the car performs. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Jun 27, 2024 · I pulled the trigger on a new AT4 with the 3. (TSB 21-NA-149) The engine wire harness was replaced under warranty May 21, 2024 · I just bought a one owner 2022 Sierra with the 3. Never towed. Looks like it's the P2C7A code my ODB scanner is reporting. º 2. Esta vez se reemplazó el sensor de NOx n. (TSB 20-NA-039) P11CC NOx sensor 1 performance signal low. Monday I got the check engine light and dealer told me it was the p2c7a p14d9 codes. Refer to bulletin 22-NA-168 to assist in checking for leaks. Zastanawiam Dec 27, 2024 · 65. 1 ausgetauscht, beides im Rahmen der Garantie. In most cases, the P2C7A code means the vehicle’s computer has detected an issue with the way the 3L Duramax Sierra P2C7A Code - Her first Check Engine Light!!! BanditDave's Toy Chest 3. Dealership said it's the catalytic converter. Jun 28, 2021 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Ohh best part, the 2020 Chevy Silverado Diesel 3. I'm continuing to understand why this happened a GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". Stopped at dealer after work and code P2C7A was set. Anyone Nov 2, 2023 · www. duramaxnews. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! P2C7A on the 3. Die empfangene Mar 6, 2024 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. A primeira vez foi há cerca de 8 meses, o sensor NOx nº 2 foi substituído. CONTACTED TAC. During the reductant system malfunction service bay test, smoke may be seen from the Dec 27, 2024 · 65. I just did a 500 mile pull with the camper, no issues at all on the trip and no light while making my run. the first time I called the service manager where I bought the truck in Carson City and was told to turn the truck off and wait a little while and the light would go off which it did. Aug 14, 2009 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 0 with 5500km and got my first ECL emissions code. Some have the "175 miles until 65MPH" warning, most do not. Tym razem wymieniono czujnik NOx nr 1, oba w ramach gwarancji. 0 Duramax. It's under warranty, but I'm losing my time just waiting for them to guess Jul 12, 2023 · Hello, Had CEL show up on the dash a couple days ago so I took the truck down to the air ozone to have the code read. In general, replacing a NOx sensor 2 can range from $200 to $500, including parts and labor. Gages looked normal and no out of ordinary engine sounds or performance that could tell. Check engine light, app says emissions system problem. Wie viele dieser NOx-Sensoren gibt es? Das Jul 21, 2022 · Hi all, owner of a 2022 Sierra AT4 Duramax 3. Day 2 of having it was a cold morning and I jumped in and started it, it started right up but the CEL came on. This code is often related to emissions or the powertrain control module (PCM). Nov 29, 2022 · 2020 3. Code was P2C7A Nox catalyst efficiency below threshold bank 1 catalyst 2. Started giving Check Engine Light on at 36,000 just past the warranty. 0 Duramax Dec 2020. Start by scanning and clearing codes, then inspect fuel injectors and wiring harnesses for damage or corrosion. Mine is a 2021 3L Duramax Silverdo with 44,000 miles. Quantos desses sensores NOx-iosos existem? Isso parece Nov 29, 2022 · Verschillende DTC's die in de Engine Control Module (ECM) zijn ingesteld, kunnen worden veroorzaakt door een uitlaatlekkage op sommige 2020-2022 Silverado 1500, Sierra 1500; 2021-2023 Tahoe, Suburban, Yukon en Escalade modellen uitgerust met de 3. a few months ago I had a emissions code throw and it was a burnt injector wire and injector that was replaced under warranty. Learn the real causes, exact diagnostics, and fixes for LM2/LZ0. I think they just wanted to bill the PowerTrain warranty for something instead on the valve. La première fois, c'était il y a environ 8 mois, le capteur NOx n°2 a été remplacé. , engine and gearbox). 0 Duramax 40K au compteur. 0 diesel. It’s a little irritating because I use my truck for my business and it’s been in and out of the shop the entire month. 5 F 150 had a 36 gallon tank that would allow over 800 miles of range. Dec 8, 2023 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Took it to dealer this morning and a bad catalytic converter was the diagnosis. Dealership replaced manifold and CEL continued. Brought back to dealer. We are going to show you how easy it is. Pierwszy raz było to około 8 miesięcy temu, wymieniono czujnik NOx nr 2. 6 CEL (or so) in the past 18 months, some went away before i could get in to my Codes like P049D, P1098, P14D9, P2B86, and P2C7A typically indicate problems with the secondary air injection system, fuel pressure sensors, or exhaust gas recirculation (EGR) components. Code P1098 Coolant Control Valve. 0 v6 last week. 000 auf der Uhr. Po pracy zatrzymałem się u dealera i został ustawiony kod P2C7A. (TSB 21-NA-149) P2C7A NOx Catalyst efficiency below threshold bank 1 catalyst 2. Desta vez, o sensor NOx nº 1 foi substituído, ambos na garantia. 0L gets check engine light on after unplugging the air intake sensor Dec 20, 2024 · Auf dem Weg zur Arbeit auf der Interstate ging die Motorkontrollleuchte an. Mar 12, 2023 · GM has issued a recall for certain units of the 2022 Chevy Silverado HD equipped with the Duramax engine due to a problem with the Engine Control Module (ECM). P20EE P22FE P2C7A P2EAD P20FE P2203 P22FB P2459 P049D P0300 The cost of repairing a P11D5 code can vary depending on the specific cause of the issue. Any updates on this known issue? Oct 3, 2022 · P1488 and P2C7A…. Check the DEF pump, pressure sensor, and supply lines for clogs or leaks. It is recommended to consult with a certified mechanic or dealership for a more accurate cost estimate Oct 1, 2019 · PIP5682 GMC Engine Control System TSBMake: GMC Number: PIP5682 Title: MIL/ Check Engine Light with DTC P2C7A and/or P14D9 Date: 10/1/2019 Models: 2020 Sierra 2020 Sierra 1500 2020Sierra 2020Sierra 1500 Summary: MIL illuminated with DTCs P2C7A and/or P14D9 set. May 10, 2021 · Purchased a 2020 Silverado with 3. 0 Duramax 40K on the clock. Has any body had this one? I suspect an NOx sensor. This code has come up multiple times in my truck. Huge savings>80% items are new Web code was p2c7a nox catalyst efficiency below threshold bank 1 catalyst 2. Sep 4, 2025 · P2C7A on the 3. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Mar 6, 2024 · Onderweg naar het werk op de Interstate ging het controlelampje van de motor branden. It is also important to not reuse the seal or the clamp on a DEF injector once removed. El Oct 1, 2022 · W drodze do pracy na autostradzie zapaliła się kontrolka silnika. Hey guys, in this video. If no other concerns are found and you have the concern noted above, it will be necessary to perform the following: Oct 6, 2022 · Hello everyone. 0l Duramax Diesel threw it's first check engine light just over a week ago. Wskaźniki wyglądały normalnie i nie było żadnych nietypowych dźwięków silnika ani osiągów, które mogłyby o tym świadczyć. 0 RWD Duramax with 38,000 miles now. 0. 49,000 miles Carfax showed no previous issues Within the first week I popped the P2C7A code and the dealer replaced the NOX sensor. 0: Diagnosing Code P2C7A Silverado Diesel 3. De ontvangen melding is "Er is een Correction There are two different types of leak tests that can be performed on the induction or exhaust system. First one is to do with a soot sensor? And the other maybe something about not completing a regen or something but I do 85kms of highway each way to work and back 🤷🏻‍♂️ I’m going to call my dealer tomorrow and book it in as it’s on warranty just wondered if anyone else has had Catalytic Converter For A Duramax Diesel. It is caused by software anomaly in the engine calibration. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. 000 millas en mi LM2 2021; y por segunda vez, el motor de verificación con un código P2C7A. To clear your check engine light and erase the codes on your newer. Die Anzeigen sahen normal aus und es gab keine ungewöhnlichen Motorgeräusche oder -leistungen, die darauf hindeuten könnten. Here is the exact case comment and fix from the service department. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Oct 10, 2018 · Hello all, Driving home from work today my check engine light come on. These deposits can be cleaned by performing a service regeneration. if it does, I guess a trip to the dealer is in my future. My question is, has anyone had these codes and were they covered under warranty for you? How were Jul 28, 2024 · Thanks for the reply. 0L LM2 Diesel setting DTC P2C7A Models Correction: While the cause of this code is under investigation, it is imperative there are no leaks in the exhaust. Also heard GM may have put out a service update and could be a software issue. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Explore Our Forums General Discussions 01-04. 🚨 Check Engine Light ON! What Happened? 2021 GMC Sierra AT4 OBD2 Codes Explained! 🚗💥Nothing ruins your day faster than a Check Engine Light! 😩 In this vi trueBe the first to comment Nobody's responded to this post yet. ¿Cuántos de estos sensores NOx-iosos hay? Esto parece Diagnostic Tip for Checking Exhaust System for Leaks for the LM2 Engines, Malfunction Indicator Lamp (MIL) Illuminated - DTC P11D5, P14D9, P20EE, P2C7A, P0421 and/or P0402 Set 2020 Chevrolet Silverado with 3. I've been tracking the ones i get on my truck. Only driven 270 miles and the check engine light comes on. The dealership is saying they have to go by what their “GMC Engineer” tells them. Any advise or Nov 17, 2004 · Way back when the "EGR unplug mod" thread was first born, someone posted that their dealer told him that to clear the EGR fault codes from the computer without a scanner all you had to do was disconnect the negative battery cables momentarily. I've seen a few different responses as far as the fix. Get quick solutions and personalized assistance to optimize your diesel performance. The resource for updates to the Duramax Diesel Platform in Silverado and Sierra Pickup Trucks. At about 6500 miles got check engine light, and msg emission system requires maintenance and reduced Codes P3196 and P2C7A indicate potential fuel delivery or injector issues, while C116B-59, C116C-56, and C116C-5A relate to ABS or traction control sensor faults. ” It means that the engine control module (ECM) has found that the selective catalytic reduction (SCR) system in your vehicle is not working properly. The message that received is "An issue with the emissions system has been detected Dec 20, 2024 · On way in to work on Interstate, check engine light came on. 0L Duramax diesel engine (RPO LM2). Getting some more answers and insights into what is causing all of my trouble codes and warning lights on the LML Duramax! Be sure to check out Overtime Diesel for all your Repair needs! Jun 17, 2025 · De camino al trabajo en la Interestatal, se encendió la luz de verificación del motor. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. ,com - New Calibration update for 2023 Silverado Sierra 1500 Trucks equipped with the LZ0 3. I only had 117 miles on odometer when a CEL with message to service DEF and reduced speed in 98 miles. 0L Duramax ODB2 codes: P2383 EGR sensor D circuit range/performance. 5 LB7 Duramax Powertrain New Member Introductions Build Threads Exterior Home Forums Chev / GMC Duramax 2020 Nov 29, 2022 · 2020 3. Need help with diesel tuning or our products? Visit the Tuner Depot Help Centre for expert support, FAQs, and contact options. Owned the truck for a year and half now. 0 Duramax means the SCR/NOx catalyst isn’t meeting efficiency. I took the truck into the chevy dealership hoping it would be a warranty thing but they're saying it's the EGR Valve and it's going to cost $1500 to replace and it's not covered under powertrain or emissions (63k miles on the truck, california emissions warranty is 70k I 2021 GMC Sierra 1500 3. Code P2C7A typically relates to turbocharger boost control or exhaust gas recirculation (EGR) system faults. Can anyone tell me if this is true?? Would save Jun 5, 2022 · Seems that many of us are experiencing CEL's with or without DIC warnings lately. Nach der Arbeit beim Händler angehalten und der Code P2C7A wurde gesetzt. The first time they replaced a knock sensor. Chevy or gmc vehicles t P2A00 CODE 2017 DURAMAX NOX SENSOR 1 PERFORMANCE CODE I GO OVER THE REPLACEMENT OR CLEANING IF POSS DIY Dan 8. Check wheel speed sensors and ABS modules for proper function. Web a forum community dedicated to chevy and gmc duramax diesel owners and enthusiasts. When Aug 12, 2022 · 22-NA-168 Chevrolet Engine Control System TSBMake: Chevrolet Number: 22-NA-168 Title: Diagnostic Tip for Checking Exhaust System for Leaks for the LM2 Engines, Malfunction Indicator Lamp (MIL) Illuminated - DTC P11D5, P14D9, P20EE, P2C7A, P0421 and/or P0402 Set Date: 8/12/2022 Models: 2020-2022 Silverado 1500 2022 Silverado 1500 LTD 2021-2023 Suburban 2021-2023 Tahoe 2020-2022Silverado 1500 PIP5682 MIL/ Check Engine Light with DTC P2C7A and/or P14D9 Models Correction: If you experience the condition described above evaluate the vehicle for any other concerns. I bought this truck new in 2021 during Covid sale and I have 61,000 miles. It has the baby duramax 3. I have an ultragauge I keep in my tool bag so I Dec 27, 2024 · 65 000 miles sur mon LM2 2021 ; et pour la deuxième fois, le témoin moteur avec un code P2C7A. 0 Duramax Diesel. P2C7A (1/ 1) Permanenter Code See Original Jump to Latest 21K views 5 replies 3 participants last post by slythetove Nov 29, 2022 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 The Duramax engine is equipped with a Diesel Particulate Filter (DPF) that, by design, will filter or trap particulates. 0 Duramax 40. Jul 15, 2024 · One owner 2021 3. Oct 1, 2022 · En allant au travail sur l'Interstate, le témoin de contrôle du moteur s'est allumé. Showing a basic smoke test using the Ancel L300 on the 3. P2C7A (1/ 1) Permanent code Jump to Latest 23K views 5 replies 3 participants last post by slythetove Nov 29, 2022 johndavis Discussion starter Dec 23, 2024 · 2016 GMC DenaliHD Crew Cab 4WD DRW 3500, GAZ Summit White/H2Y Cocoa Dune, 5SA Denali, CF5 Power Sunroof, LML Duramax 6. The second is a pressure leak test where soapy water is applied to the outside of the area being tested and leaks Jan 9, 2022 · I have a 20' Chevy LM2 with about 20k miles. Used a friend’s scanner to read Oct 9, 2024 · 2020 Silverado 3. Se detuvo en el concesionario después del trabajo y se estableció el código P2C7A. If the code returns, refer to SI. From time to time the Voltage drops to around 12-13V and stays steady no matter how much I rev or change how I drive the Volts stays there and Apr 29, 2022 · Had a fuel injector fail at 23k miles on my duramax on the interstate on Memorial Day. The message that received is "An issue with the emissions system has been detected Subject: Malfunction Indicator Lamp (MIL) Illuminated - DTC P11D5, P22FE, P20EE and/or P2C7A Set Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying My Silverado w/ 44,001 miles is at the dealer with the following codes: P2382 , P2383 , P2C7A The truck never entered limp mode, but check engine light was intermittent, and a few times warning on the dash stated: speed limited to 65mph in 175 miles All dash warnings and lights were intermittent. Die empfangene Correction There are two different types of leak tests that can be performed on the induction or exhaust system. 0 Duramax Diesel is designed to route the crankcase vapors back into the intake to be burned rather than venting to the atmosphere. 0 CEL P2C7A My Sierra has around 27k miles and recently threw code P2C7A. The second is a pressure leak test where soapy water is applied to the outside of the area being tested and leaks Nov 29, 2022 · 2020 3. Die empfangene The 3. The one identified in your situation is the second NOx sensor—Bank 1 Catalyst 2, which pertains to the sensor located downstream of the close-coupled SCR (Selective Catalytic Reduction) catalyst, commonly This type of blockage could certainly cause a P20EE or P2C7A. I'm at 55K miles currently. Le Dec 27, 2024 · 65. 0L Duramax dieselmotor (RPO LM2). Add your thoughts and get the conversation going. 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 Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling, and shipping dangerous goods. 5 LB7 Duramax Powertrain New Member Introductions Build Threads Exterior Home Forums Chev / GMC Duramax 2020 P20EE is a diagnostic trouble code that means "SRC NOx Catalyst Efficiency Below Threshold". Brought it in to dealer who said all it needed was some updates (master control module etc) well one day later light is back. May 28, 2023 · I just had this code set on my truck, 1500 miles. DTC P2C7A, sometimes indicated as P2C7A00, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i. e. Nov 2, 2020 · How reliable is GM's 3. 8 Well, my '22 Denali with the Babymax just threw its first CEL with less than 400 miles on it. Jun 10, 2022 · Code P2C7A. I scanned the codes at autozone and got the code P2C7A. 0 Duramax Di trueHello all, Ive seen this topic addressed in a couple places but theres been nothing definitive stated. New catalytic converter or something that has to do with the regen cycle. 0L Duramax? Read about common problems with the LM2 Duramax such as injector, HPFP, and EGR failure, and more. Just read this article about the P20EE code. I Jul 2, 2023 · En allant au travail sur l'Interstate, le témoin de contrôle du moteur s'est allumé. 0l Duramax Diesel threw it's first check engine light this a couple of days ago and I have been looking into what the fault i 2022 Trail Boss Duramax Diesel LM2 3. Popped a service emissions system code. 0L LM2 Diesel setting DTC P2C7A Date: 11/1/2022 Models: 2022 Silverado 1500 2022 Silverado 1500 LTD 2022Silverado 1500 2022Silverado 1500 LTD Summary: Some 2022 model year Silverado/Sierra pick up trucks may set a P2C7A. This engine shown is a 2024 LZ0 but the process is the same for all 3. Truck is a 2021 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. ndmowz ewogx jvvey vxqb pczxckx mvc fjzw lbfp tcxulucd wbhcj covmzmj fkseh ivv vfxryex vynum