17,890 Satisfied Customers. owner/mechanic at 3D Automotive. david craig is online now. Related Chevy Questions. 2015 Chevy 2500 HD 2015 Duramax. 85000 miles, P11CB keeps. 85000 miles, P11CB keeps randomly setting, NOx sensor 1 has been replace, EGR valve has been replace, been to dealer multiple time for this … read more.Small update on the LBZ, removed most of the stuff on top of the blown engine (sneaky egr wrench strikes again lol) also some paint after stripping the chevy orange parts lol. 1 / 5. 2. r/Duramax • 5 days ago. Shop wanted $500 to replace fuel filter head. Wife kept appointment and no showed. $150 in parts with fuel filter and an hour later ...Bulletin No.: PI1449 Date: Mar-2015 Subject: Malfunction Indicator Lamp (MIL) Illuminated with DTCs P24C4, P2493, P2495 and P06A3 Models: 2015 Chevrolet SilveradoP11CB Duramax — Hi, I have a 2013 Duramax thats throwing a P11CB, pervious shop replaced both inlet and outlet NOx sensors, and DEF heater, light still coming on. brought the truck here, and I checked a few things so far, could not pinpoint the problem, any help will be greatly appreciated. I done the sensor reset and regen.Oct 19, 2016 · Seen it plenty of times for a p0420. If this dealer can't figure this out they shouldn't be touching a duramax. Min spec is 16ml and they are usually 15 to 18 when p0420 and I suspect that injector is bad. Only see one over fuel and melt the doc. 95% of the time it's not enough. Check engine light, code P11CB, shop installed SL-N-Sensor, replaced NOx sensor 1 (1st time replacing sensor 1) 6/10/2020 - First time at new shop, the dealership I had been going to basically gave up on trying to determine the root cause after I was left in limp mode twice (gave it back to me and said "let us know when you get stranded again ...P01F0 code 2015 Duramax, I've cleared the code multiple times. Chevy 2500 4X4, Just clearing the code with my code - Answered by a verified GMC MechanicDIY - Indirect Injector Replacement (P24a0) So a quick recap: The truck initially had two trouble codes: 1) P0676 (glow plug #6) and P0128 Coolant Temperature Below Thermostat Regulating Temperature. With these items known I set a plan to replace the glow plug and the two thermostats this past Friday (9/29/17).Oct 29, 2012 · 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) Closed / Archived Marketplace Ads 6.2L Diesel Engine Top Contributors this Month View All P11CB Duramax — Hi, I have a 2013 Duramax thats throwing a P11CB, pervious shop replaced both inlet and outlet NOx sensors, and DEF heater, light still coming on. brought the truck here, and I checked a few things so far, could not pinpoint the problem, any help will be greatly appreciated. I done the sensor reset and regen.I have a 2012 Silverado 2500hd with the 6.6 duramax. A check engine light popped on so I stuck a code reader on it and it read codes p2200, p2201, p2202, p2203, p11cb, and a trailer brake service light. I'm also getting a warning saying in …Duramax Fifth Generation: 2011-2016 (LML) 2015 LML with P22FE. Jump to Latest Follow 16495 Views 12 Replies 7 Participants Last post by timdan94, Jan 27, 2017. T. timdan94 ... The code is P22FE. i have it at the dealer and they are telling me there are no NOX sensors available. Does anyone have the part number for the nox sensor?Aug 6, 2021 · P11cb code. 2013 3500 6.6 duramax 62000 miles. Faulty Nox Sensor 1. Nox Sensor 1 harness is open or shorted. Nox Sensor 1 circuit poor electrical connection. Intake System Leaks. Exhaust System Leaks. 1. Ignition ON, observe the DTC information with a scan tool. DTC UXXXX should not be set. P0101 MAF sensor performance. P11CB Nox Sensor 1 performance signal high. P140C Exhaust gas recirculation (slow response) The correction for these code is to start with the MAF sensor, A faulty MAF will set a P11CB and P140C.. When it comes to the MAF sensor inspect for a secured MAF air duct in being secured. 0.This document provides information on diesel exhaust fluid (DEF) and the diesel particulate filter (DPF) for 2014 Chevrolet Silverado and GMC Sierra vehicles equipped with a 6.6L Duramax diesel engine. It explains the warning messages, the service procedures, and the diagnostic instructions related to these systems. It also includes some frequently asked questions and answers about DEF and DPF.P11CB: Component / System: NOx Sensor Performance - Signal High Bank 1 Sensor 1. Monitor Strategy Description: Detects a high deviation of the measured NOx sensor concentration from the modeled NOx concentration. The 3 images are all for P11DC, splice them if needed to read the details. 3.If you fix the P205B code issue, you will require several diagnostic tools to help you out. Some of the most important ones include a scanner, an ohmmeter, screwdrivers, and other power tools. Additionally, ensure extra components, including wires, that you will be required to change if the current ones are damaged.Below are common check engine light trouble codes for the Chevy/GM Duramax diesel. This list has been updated to includes Chevy/GM Duramax diagnostic trouble codes. At Thoroughbred Diesel we are a real diesel performance and repair shop that offers free advice. Call us at 1-859-737-4966 with any questions you may have about your diesel. We are ...Experience Duramax Forum on the new Fora Communities app for iOS & Android! Get the best of Duramax Forum on our official app. Check engine...P2201 & P2202 ... P2201 NOx Sensor Circ Range/Perf Bank1 P2202 NOx Sensor Circ Low Input Bank1 I threw the same code when I went to a locking fuel cap - turns out that the cap was not …what does trouble code P11CB mean on a 2011 Chevy 2500 diesel. 0 votes. 2.7k views. asked Dec 18, 2017 by anonymous. I have a cold air intake on the truck and that is it. The MAF sensor is on securely. Vehicle: 2011 Chevy 2500HD 6.6L Diesel. p11cb. duramax.Duramax 6.6 Technical. Duramax Hard Parts. L5P. Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. 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.U029D00 - Lost communication with NOX sensor A. U029D. U029D00 - Communication with nox sensor has a malfunction. U029D - Fault in Communication with the DeNOX system. U029D-00. U100600 - NOx sensor 1 Bank 1 - No Communication. 28992 U029E00 Communication missing incorrect. 053302 - NOx Sensor 1 Bank 2. U1036-000 U1036000 …What the P2263 code means. The P2263 diagnostic trouble code indicates that there is a performance issue with the turbo/supercharger boost system. The turbo/supercharger uses exhaust pressure and an air/fuel mixture to create boost. Vehicle manufacturers predetermine the range in which exhaust pressure is expected to stay.My 2012 Duramax has two trouble codes P11CB and P0101, I haven't noticed any problems with performance or starting. I have installed a fresh air intake a few months ago, what are these codes for? Vehicle: 2012 Chev 2500 Duramax. p11cb.DTC P11CB. LML: Jump to Latest Follow. 25467 Views 9 Replies 4 Participants Last post by willydmax , Sep 7, 2016. Silver Bullet Discussion starter · Sep 6, 2016. I threw a P11CB this morning. Looks like it is 1 of my 2 NOx sensors. I searched the DTC, but did not find too much info on recent posts. My questions are:17,890 Satisfied Customers. owner/mechanic at 3D Automotive. david craig is online now. Related Chevy Questions. 2015 Chevy 2500 HD 2015 Duramax. 85000 miles, P11CB keeps. 85000 miles, P11CB keeps randomly setting, NOx sensor 1 has been replace, EGR valve has been replace, been to dealer multiple time for this … read more. The exact MPG any engine gets depends on the vehicle it’s used in, but the 6.6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driving in the 2011 Chevrolet Silverado. Other trucks using the ...Labor: 1.0. To diagnose the P128E GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Sep 6, 2016 · 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) Closed / Archived Marketplace Ads 6.2L Diesel Engine Top Contributors this Month View All Jul 3, 2019 · Replacement of nitrogen oxide sensor bank 1 upstream sensor. This will fix check engine light code P11DBACDelco 12671387 GM Original... https://www.amazon.co... P11DB Code Duramax Engines: Meaning, Causes, and How to Fix By B R Oniango / November 12, 2022 The P11DB diagnostic trouble code is set when there is a problem with the nitrogen oxide (NOx) sensor. It indicates an issue with the NOx sensor current performance bank 1 sensor 1 in Chevrolet or GMC diesel vehicles.To diagnose the P11CB Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Then nearing the end the power seemed worse but made it home. After I got home I found P140C, P11CB (Faulty Nox Sensor 1) and P2599 (Turbocharger Boost Control Position Performance - High Position). ... Oh, one other thing I find it suspicious that the power is down and code P2599 was set. If I had to take a wild-xxx guess some sort of …Sep 6, 2016 · 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) Closed / Archived Marketplace Ads 6.2L Diesel Engine Top Contributors this Month View All Duramax repair, Reductant system issues. DTC P21DDThe DTC is unique to the control module which is not communicating and one or more control modules may set the same exact code. A loss of serial data communications DTC does not represent a failure of the control modules that contain the stored code. Conditions for Running the DTC. The system voltage is between 9–16 V.P11cb code. 2013 3500 6.6 duramax 62000 miles. Faulty Nox Sensor 1. Nox Sensor 1 harness is open or shorted. Nox Sensor 1 circuit poor electrical connection. Intake System Leaks. Exhaust System Leaks. 1. Ignition ON, observe the DTC information with a scan tool. DTC UXXXX should not be set.Sep 6, 2016 · 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) Closed / Archived Marketplace Ads 6.2L Diesel Engine Top Contributors this Month View All P0087 Chevrolet -lbz1 duramax code only occurs pulling a grade with a large trailer. asked Aug 15, 2018 by Larry. duramax; diesel; p0087 +1 vote. 1 answer 152 views. ... what does trouble code P11CB mean on a 2011 Chevy 2500 diesel. asked Dec 18, 2017 by anonymous. p11cb; duramax +1 vote.I am looking for P11cb help too. I have a 2015 Lml and I replaced nox sensor 1 and tested harness wiring and still code keeps coming back. When my buddy scanned it and watched live data it was showing the inductance was out of range. So I’m not sure if that means I should do a boost leak test.19556 Views 8 Replies 7 Participants Last post by Ron Nielson , Dec 27, 2022. J. Johnjjr513 Discussion starter · Dec 19, 2019. Yesterday I started my truck and the check engine light came on. Giving me the P133B code.This video is a run through of how to diagnose a bad nox sensor on an LML duramaxNew 2015 Chev Duramax LML Tungsten Metallic 6" Procomp lift, Bushwacker fender flares, Blacked out Bowties, 35X12.50X18 Toyo R/T's, Rhino Lined bed. Huskey floor liners. So far Sold 04.5 Chev Duramax LLY 8" fabtech lift 37X13.50x18 Toyo Open Country M/T tires Edge w/ attitude rocker panels nerf bars huskey floor mats tinted glass, cognito braces, Dual Fabtech Stabilizers, Carbon fiber ...How to fix a NOX Sensor DIY for $10 on any diesel engine without replacing, even on Mercedes (Check Engine Light Code P229F and others). Whether you are driv...New 2015 Chev Duramax LML Tungsten Metallic 6" Procomp lift, Bushwacker fender flares, Blacked out Bowties, 35X12.50X18 Toyo R/T's, Rhino Lined bed. Huskey floor liners. So far Sold 04.5 Chev Duramax LLY 8" fabtech lift 37X13.50x18 Toyo Open Country M/T tires Edge w/ attitude rocker panels nerf bars huskey floor mats tinted glass, cognito braces, Dual Fabtech Stabilizers, Carbon fiber ...P0101 can be related to the EGR code or maybe due to you adding the CAI. Check the CAI & make sure all is seated/fits good. P0401 is an EGR insufficient flow & can be a common code when you straight pipe (due to removing the CAT the differential EGR pressure has changed) but it shouldnt cause limp mode or hurt performance on LLY/LBZs.2015 duramax is showing a P11CB code, my understanding its a downstream nox sensor. my question is can i replace the sensor and clear the code and …Learn the difference between source code and object code within computer programming. Each term has its own use; deciphering them can be difficult at first, but with this easy-to-follow guide, you will better understand the difference. Trus...6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) Closed / Archived Marketplace Ads 6.2L Diesel Engine Top Contributors this Month View AllAnyone who has worked in any portion of the medical field has had to learn at least a little bit about CPT codes. These Current Procedural Terminology codes are used to document and report medical procedures. Take a look at this guide to le...About 1500 miles later the light came on again but no power reduction. I drove through several tanks of fuel before coincidentally running into a GM Engineer at a fuel stop. He approached me asking how I liked my truck and as the conversation went, he ended up scanning my codes at the fuel pump and clearing them. P2599 & P0234.Experience Duramax Forum on the new Fora Communities app for iOS & Android! Get the best of Duramax Forum on our official app. Check engine...P2201 & P2202 ... P2201 NOx Sensor Circ Range/Perf Bank1 P2202 NOx Sensor Circ Low Input Bank1 I threw the same code when I went to a locking fuel cap - turns out that the cap was not …Home GMCP11CB GMC DTC P11CB Make: GMC Code: P11CB Definition: NOx Sensor 1 Performance - Signal High Description: P11CB or P11CC DTCs P0101, P0234, P0299, P0401, P0402, P140B, P140C, P2228, or P2229 are not set. The DPF Regeneration is not active. The BARO is between 75-106 kPa (11-15 psi).Jul 26, 2015 · About 1500 miles later the light came on again but no power reduction. I drove through several tanks of fuel before coincidentally running into a GM Engineer at a fuel stop. He approached me asking how I liked my truck and as the conversation went, he ended up scanning my codes at the fuel pump and clearing them. P2599 & P0234. operation codes provided with this bulletin. Claims with repair orders prior to November 17 , 2016 , must be submitted to the Service Contract provider. Correction Dealers are to replace the DEF tank reservoir. The repairs will be made at no charge to the customer. Parts Quantity Part Name Part No.HELP dtc p11cb??? Jump to Latest Follow 66237 Views 31 Replies 13 Participants Last post by MIkey52 , May 4, 2019 Cayenne Discussion starter · Jan 31, …Shop these top AllSaints promo codes or an AllSaints coupon to find deals on jackets, skirts, pants, dresses & more. PCWorld’s coupon section is created with close supervision and involvement from the PCWorld deals team Popular shops See al...I am looking for P11cb help too. I have a 2015 Lml and I replaced nox sensor 1 and tested harness wiring and still code keeps coming back. When my buddy scanned it and watched live data it was showing the inductance was out of range. So I’m not sure if that means I should do a boost leak test.Code: P11CC. Definition: NOx Sensor 1 Performance - Signal Low. Description: P11CB or P11CC DTCs P0101, P0234, P0299, P0401, P0402, P140B, P140C, P2228, or P2229 are not set. The DPF Regeneration is not active. The BARO is between 75-106 kPa (11-15 psi). The ambient air temperature is between -7 to +38°C (19-100°F).P11CB Duramax — Hi, I have a 2013 Duramax thats throwing a P11CB, pervious shop replaced both inlet and outlet NOx sensors, and DEF heater, light still coming on. brought the truck here, and I...Oct 19, 2016 · Seen it plenty of times for a p0420. If this dealer can't figure this out they shouldn't be touching a duramax. Min spec is 16ml and they are usually 15 to 18 when p0420 and I suspect that injector is bad. Only see one over fuel and melt the doc. 95% of the time it's not enough. Seen it plenty of times for a p0420. If this dealer can't figure this out they shouldn't be touching a duramax. Min spec is 16ml and they are usually 15 to 18 when p0420 and I suspect that injector is bad. Only see one over fuel and melt the doc. 95% of the time it's not enough.Im working on a 2013 Silverado 2500HD Duramax Diesel in my shop. Customer recently noticed a check light. After conecting my scan tool the code regestered was a P11CB or Manufacturer Specific code. The code refered to the upstream NOX sensor and was replaced with a genuine GM Part. Code was erased before part installed.2015 Chevy 2500 HD 2015 Duramax. 85000 miles, P11CB keeps randomly setting, NOx sensor 1 has been replace, EGR valve has - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website. ... 2015 duramax is showing a P11CB code, ...Apr 26, 2020 · 15K views 3 years ago Try this before replacing your nox sensor on your Duramax. ...more ...more Try this before replacing your nox sensor on your Duramax. Anyone who has worked in any portion of the medical field has had to learn at least a little bit about CPT codes. These Current Procedural Terminology codes are used to document and report medical procedures. Take a look at this guide to le...P11CB code cleared. Troy Valenzuela. 23 subscribers. Subscribe. 62. Share. 15K views 3 years ago. Try this before replacing your nox sensor on your Duramax. …This video is a run through of how to diagnose a bad nox sensor on an LML duramaxThis video goes over how to replace the EGR valve and EGR cooler on a Chevy Silverado 2500 6.6L.Approximate Time: 7 HoursTools needed: 12mm Socket short and ...What is the Cost to Diagnose the Code P11CB Chevrolet? Labor: 1.0. The cost to diagnose the P11CB Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.P0101 can be related to the EGR code or maybe due to you adding the CAI. Check the CAI & make sure all is seated/fits good. P0401 is an EGR insufficient flow & can be a common code when you straight pipe (due to removing the CAT the differential EGR pressure has changed) but it shouldnt cause limp mode or hurt performance on LLY/LBZs.P11DC - NOx Sensor Current Performance Bank 1 Sensor 2Possible Causes Are:1) Faulty NOx Sensor2) NOx Sensor harness open or shorted3) NOx Sensor circuit bad ...If you fix the P205B code issue, you will require several diagnostic tools to help you out. Some of the most important ones include a scanner, an ohmmeter, screwdrivers, and other power tools. Additionally, ensure extra components, including wires, that you will be required to change if the current ones are damaged.Jul 30, 2020 · John C. December 13, 2020. The Chevy DuRamax code p140c is for exhaust gas recirculation slow response decreasing flow. The importance of the EGR valve cannot be understated. The exhaust gas recirculation (EGR) is an effective strategy to control NOx emissions from diesel engines. The EGR reduces NOx through lowering the oxygen concentration in ... John C. December 13, 2020. The Chevy DuRamax code p140c is for exhaust gas recirculation slow response decreasing flow. The importance of the EGR valve cannot be understated. The exhaust gas recirculation (EGR) is an effective strategy to control NOx emissions from diesel engines. The EGR reduces NOx through lowering the oxygen concentration in ...UPDATE: Truck was throwing p2201 p2202 2203 p12b6 p2bad I replaced NOx sensor 1 with ACDelco 12671387 and all is well! NOx sensor 1 is under the hood on the turbo outlet. I also reset NOx sensor 1 on a Snap On scanner (Solus Ultra) with 17.4 software , Snap-On scanner software 17.2 and above can do it.... Hint: look under the engine menu.2017 Chevrolet 2500 L5P Duramax position 2/ downstream NOx sensor replacement 2018 2019 2019 when reading these sensors they should show a constant slowly ch...Go to Duramax r/Duramax • Posted by ... r/Duramax • p11cb codes on a 2015. r/Duramax ...⇒If a condition exist s Repair as necessary. ⇓If no condition exists Note: The reductant fluid quality test may need to be performed 3 times to complete the following steps. 13. Verify the Reductant Fluid Quality Test passes when commanded ON with a scan tool. ⇒If the first test failed 13.1.- 2020 - CRC - 10/26/20 Page 2 October, 2020 Bulletin No.: 20-NA-195 Cause 5651968 This condition may be caused by a damaged NOx2 sensor, as shown in the graphic Labor: 1.0. To diagnose the P128E GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Open the hood after turning off the engine and removing the ignition key from its switch.The DTC is unique to the control module which is not communicating and one or more control modules may set the same exact code. A loss of serial data communications DTC does not represent a failure of the control modules that contain the stored code. Conditions for Running the DTC. The system voltage is between 9–16 V.I have a 2012 2500hd 6.6 duramax and I got a check engine light with codes p2200, p2201, p2202, p2203, p11cb, and a trailer brake service warning all at once. I also have a warning saying 43 miles unt …P2201, p2202, p2203. I just purchased a 2012 denali and I am getting the P2201 code constantly. Just today it expanded into the 2202 and 2203. I have ordered part number 213-4687 NOx sensor to fix this.Duramax Fifth Generation: 2011-2016 (LML) 2015 LML with P22FE. Jump to Latest Follow 16495 Views 12 Replies 7 Participants Last post by timdan94, Jan 27, 2017. T. timdan94 ... The code is P22FE. i have it at the dealer and they are telling me there are no NOX sensors available. Does anyone have the part number for the nox sensor?
Jun 5, 2019 · P11DC - NOx Sensor Current Performance Bank 1 Sensor 2Possible Causes Are:1) Faulty NOx Sensor2) NOx Sensor harness open or shorted3) NOx Sensor circuit bad ... . Wifr rockford
DTC P1000 is an indication that the vehicle needs to be driven for a period so that the vehicle can learn certain operating characteristics. This code cannot be cleared using the DTC Reader clear function. P0001 Fuel Volume Reg Ctrl Circ/Open. P0002 Fuel Volume Reg Ctrl Circ Range/Perf.Labor: 1.0. To diagnose the P128E GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.DIY - Indirect Injector Replacement (P24a0) So a quick recap: The truck initially had two trouble codes: 1) P0676 (glow plug #6) and P0128 Coolant Temperature Below Thermostat Regulating Temperature. With these items known I set a plan to replace the glow plug and the two thermostats this past Friday (9/29/17).So much has changed about the way people make calls. For example, you can’t even call your next door neighbor’s landline without using an area code, and you certainly can’t call mobile phones without it. Area codes also give you a good idea...P11DC - NOx Sensor Current Performance Bank 1 Sensor 2Possible Causes Are:1) Faulty NOx Sensor2) NOx Sensor harness open or shorted3) NOx Sensor circuit bad ...This document provides information on diesel exhaust fluid (DEF) and the diesel particulate filter (DPF) for 2014 Chevrolet Silverado and GMC Sierra vehicles equipped with a 6.6L Duramax diesel engine. It explains the warning messages, the service procedures, and the diagnostic instructions related to these systems. It also includes some frequently asked questions and answers about DEF and DPF. Nov 11, 2014 · P11CB or P11CC. * DTCs P0101, P0234, P0299, P0401, P0402, P140B, P140C, P2228, or P2229 are not set. * The DPF Regeneration is not active. * The BARO is between 75-106 kPa (11-15 psi). * The ambient air temperature is between -7 to +38°C (19-100°F). * The engine run time is greater than 30 s. * The engine coolant temperature is between -7 to ... Ted White · #7 · Jul 20, 2015. Some of the NOX related codes can NOT be cleared until a regeneration has taken place, plus, sometimes, several warm ups from cold. Unless, of course, dealer test equipment and test processes are used. 2022 Chevrolet Silverado 2500HD LTZ SRW Iridescent Tri-Coat Pearl. Reply.Oct 13, 2021 · New 2015 Chev Duramax LML Tungsten Metallic 6" Procomp lift, Bushwacker fender flares, Blacked out Bowties, 35X12.50X18 Toyo R/T's, Rhino Lined bed. Huskey floor liners. So far Sold 04.5 Chev Duramax LLY 8" fabtech lift 37X13.50x18 Toyo Open Country M/T tires Edge w/ attitude rocker panels nerf bars huskey floor mats tinted glass, cognito braces, Dual Fabtech Stabilizers, Carbon fiber ... 2013 Silverado 2500 HD Diesel 6.6 Duramax. A while back I had a check engine light. Took my code reader and got a P11CB. I replaced both the upstream sensor behind the turbo and the downstream sensor on the muffler. Erased code and stayed off for several days. Went to accelerate into traffic and light came on again. Again erased code.Jul 3, 2019 · Replacement of nitrogen oxide sensor bank 1 upstream sensor. This will fix check engine light code P11DBACDelco 12671387 GM Original... https://www.amazon.co... 2013 Duramax LML, P204B Reductant Pressure Sensor.. (service emission system)(Leak in the system) (DEF issues) here's a little tip hopefully it would help yo...Chevrolet Repair P11cb code. 2013 3500 6.6 duramax 62000 miles Faulty Nox Sensor 1 Nox Sensor 1 harness is open or shorted Nox Sensor 1 circuit poor electrical connection Intake System Leaks Exhaust System Leaks 1. Ignition ON, observe the DTC information with a scan tool. DTC UXXXX should not be set. If a DTC is setThis video is a run through of how to diagnose a bad nox sensor on an LML duramaxSave. Ramblinrodney · #8 · Mar 6, 2015 (Edited) Found this. 2013 gmc, 16,370 miles, cel on with P21dd code and is currently at dealership for def heater element replacement. Vehicle has been there since April 1st and waiting for part to show up the week of the 14th from gm..