P205b code duramax - The diagnostic codes that are required by law on all OBD II systems are standardized and all vehicle manufacturers use the same common code list. This means the misfire code P0300 represents the same failure on a GM/GMC Duramax, Ford Powerstroke, or Dodge Cummins. OBD-II Check Engine Light Trouble Codes for the GM/GMC Duramax below:

 
How To Fix DTC P003A. For a temporary fix, it’s possible to remove the turbo, split it apart, and remove the rust on the cartridge where it meets the unison ring. This may give you a few more years of service, but remember – if it rusted once, it is basically guaranteed to rust again. The permanent fix is to replace the turbo with a new .... Zillow durand mi

What are the symptoms of Code P20b9 on Duramax? Like other DTC codes, code P20b9 can have symptoms. Here are some of the most common P20b9 symptoms. Poor engine performance; Check the engine light; Exhaust releases more black smoke. There might be other SCR related codes. Fuel efficiency gets reduced. It’s possible that DPF won’t regenerate. Common problems with Duramax diesel engines include air in the fuel lines, fuel starvation, water pump failure, overheating, injector failure and harness chafing. Some of these iss...Are you looking to enhance your coding skills? Whether you’re a beginner or a seasoned programmer, there are plenty of free coding websites that can help you level up your skills. ...TechCrunch will not tolerate any type of harassment of attendees, including the following but not limited to: Because of the following but not limited to: As an attendee, you are e...I have a 2014 chevy 2500hd 6.6L duramax. It has a check engine light on, codes are P205B reductant temperature sensor performance, P11CB NOx sensor 1 performance signal high, P003A turbo vane position … read moreWhether you just want to be able to hack a few scripts or make a feature-rich application, writing code can be a little overwhelming with the massive amount of information availabl...32 posts · Joined 2013. #1 · Nov 5, 2020. Hi. I keep getting P100b code on my tuned l5p, have to clear it with edge cts3 every start up. Any idea on what it is and how to fix it? Thanks. 2018 GMC Denali 3500HD Dually. 750+ built trans, s472sxe turbo, Exergy 100 over injectors, Exergy 12mm cp3, fass lift pump.2011 duramax engine code P205B, code P205B have reset it 1 time, 2500 HD, will try to fix it myself since GM wont take - Answered by a verified GMC Mechanic. We use cookies to give you the best possible experience on our website.The founder of Girls Who Code shared how a loss led her to be brave enough to found an organization that is now 40,000 girls strong....ADBE Girls Who Code's founder didn't even kno...It has a check engine light on, codes are P205B reductant temperature sensor performance, P11CB NOx sensor 1 performance signal high, P003A turbo vane position not learned, P2598 turbo vane performance low position. ... 2011 GMC 3500 Duramax, getting code P204B, Reductant system, Performance Bani 1.Make sure it is H20 proof. You can find these labeled as aquarium tank temp sensors, but must be a 10k ohm. First you need to remove the tank. Find the connector attached to the fill neck. This is where you are going to connect the new sensor. The small black and white wires on the bottom are the temp sensors.Labor: 1.0. The cost to diagnose the P10D0 GMC 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 …WTH..issues right after dealer service new codes P204F P20E8 and again P205B. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!P20B9 Duramax - Full Repair of DEF Heater - YouTubeThe P205B code stands for “Reductant Tank Temperature Sensor Circuit Range/Performance”, which means the power control module (PCM) didn’t get the right response from the reductant tank temperature sensor. …Labor: 1.0. The cost to diagnose the P24C4 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 …Duramax Diagnostic Trouble Codes . On-Board-Diagnostic (OBD) trouble codes are one way your vehicle communicates with a mechanic. Every diesel vehicle built since 1996 has an OBD II computer system that monitors and identifies issues. In particular, it looks for issues that may result in harmful and polluting emissions from exhaust gases.I kept reseting check engine light over the course of several months with mileage intervals decreasing. Finally it threw a double code of P140C and P11CB. Online folks asked if I had ever cleaned MAF sensor. 73k miles so I bought a can of MAF cleaner at the local auto parts store. Pulled MAF sensor which is two screws and took a look.Chevrolet diesel trucks use the 6.6 liter Duramax engine, which is prone to intermittent fuel starvation, water pump failure, overheating, injector failure and injector harness cha...Jun 29, 2017 · 64 posts · Joined 2012. #1 · Jun 29, 2017. OK, Message on dash says to service DEF system, 147 kilometers until reduced max speed 105 km/h. Code P20b9 shows up on the scanner. I'm 275 kms from home. So finished the trip, in limp mode and took it to the dealer who informed me that my extended warranty does not cover the DEF system PERIOD! 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Top Contributors this Month View AllChevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY ... I have a 2006 lbz 60% over injectors airdog raptor 150 lift pump and I’m getting the code p2155 p203 and p208 I have no fuel leaks all new Bosch fuel lines started happening when my lift pump randomly quit working I moved some wires around and it worked and didn ...Duramax Hard Parts. LML. 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. From all out performance builds running 8 …P205b code, and I have a long trip home tomorrow. Jump to Latest Follow ... 2005 3500 LT 4x4 Crew Cab 8' bed Duramax/Allison Superchips, TxC CAI, V2w/fan SOLD 2011 2500 LTZ 4x4 Crew standard bed Duramax/Allison Stock (so far) Save Share. Like. Sort by Oldest first63 posts · Joined 2020. #2 · Jul 23, 2020. triplenet said: Hey all. New here so sorry if its not in the right area. I've got a 2016 single rear wheel 3500 that is throwing code P205B "reductant tank temperature sensor circuit range/performance". Looking around the web this seems to be a fairly common issue possibly covered by an extended ...Whether you just want to be able to hack a few scripts or make a feature-rich application, writing code can be a little overwhelming with the massive amount of information availabl...P20B9 Duramax - Full Repair of DEF Heater - YouTube2011 LML LTZ 190K. I’m getting the P205b code plus some other weird problems. I’ve cleared the code a few times but when I turn on the turn indicators the dash immediately gives me the “blinker on” warning with the audio beeping. Occasionally I’ll get a “service traction control” as well. The DEF tank heater was already serviced ...DTC P0381. Wait To Start Lamp Control Circuit. Circuit/System Description. Ignition voltage is supplied directly to the wait to start indicator. The engine control module (ECM) controls the lamp by grounding the control circuit via an internal switch called a driver. The primary function of the driver is to supply the ground for the component ...IKEA is a popular home decor and furniture retailer that offers affordable and stylish products. If you’re looking to shop at IKEA online, you might be wondering how to get the bes...GitHub Copilot, which leverages AI to suggest code, will be general availability in summer 2022 -- free for students and "verified" open source contributors. Last June, Microsoft-o...How To Fix DTC P003A. For a temporary fix, it’s possible to remove the turbo, split it apart, and remove the rust on the cartridge where it meets the unison ring. This may give you a few more years of service, but remember – if it rusted once, it is basically guaranteed to rust again. The permanent fix is to replace the turbo with a new ...9116 posts · Joined 2014. #4 · Dec 4, 2019. They’ve got a pre NOX and post NOX sensor, as well as temp sensors through the exhaust. Sent from my iPhone using Tapatalk. 2017 GMC 3500 DRW/CCLB . --2015 GMC 3500 SRW/CCLB-- . Save.Music has long been shown to boost both cognitive performance and productivity. These are the most popular songs to code to. Music has long been shown to boost both cognitive perfo...I kept reseting check engine light over the course of several months with mileage intervals decreasing. Finally it threw a double code of P140C and P11CB. Online folks asked if I had ever cleaned MAF sensor. 73k miles so I bought a can of MAF cleaner at the local auto parts store. Pulled MAF sensor which is two screws and took a look.Jul 3, 2022 · HELP (Code P2ADA) 2017 L5P. After 153K miles my faithful Duramax gave me the infamous emissions service countdown. I went to my local GMC dealership for a diagnostic check, and they said the reduction tank heater was not working and suggested replacing the Emission Reduction Fluid Supply Pump Module, part number 84545446. Equipped with 6.6L Duramax™Diesel Engine RPO LML This PI was superseded to update Condition/Concern. Please discard PIP5198. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern Some customers may comment on any of the following conditions:Arizona. May 25, 2018. #1. P2202-p2203 - NOx sensor. Had these two codes show up a few days ago, looks like they refer to the upstream NOx sensor which is easily replaced, but was noticing on my CTS2 that the soot level was building and pasted 44 without a regen. Last night it was at 50 when the DIC showed the message "Cleaning exhaust filter ...In the world of online shopping, consumers are always on the lookout for ways to save money. Coupon codes and promo codes are two popular methods that shoppers use to get discounts...WTH..issues right after dealer service new codes P204F P20E8 and again P205B. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!Email expert Itzy Sabo sets Microsoft Outlook to color-code all email addressed only to him blue, because those messages are more likely to be more important and require action fro...8.7K views 5 months ago. 2015 chevy silverado 3500hd duramax turbo diesel 6.6 with a p205b reductant temperature sensor performance code. Ohming the …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 …How To Fix DTC P003A. For a temporary fix, it’s possible to remove the turbo, split it apart, and remove the rust on the cartridge where it meets the unison ring. This may give you a few more years of service, but remember – if it rusted once, it is basically guaranteed to rust again. The permanent fix is to replace the turbo with a new ...I have a 2011 3500 duramax with only 17,000 miles and started it this morning and the engine light came on. Check the codes and saw the P205B. Truck runs fine but the light will not go off on its own. Haven't tried to delete the code or unhook battery. Is there any way to fix this without replacing the temp module in the def tank?I kept reseting check engine light over the course of several months with mileage intervals decreasing. Finally it threw a double code of P140C and P11CB. Online folks asked if I had ever cleaned MAF sensor. 73k miles so I bought a can of MAF cleaner at the local auto parts store. Pulled MAF sensor which is two screws and took a look.I have a 2011 3500 ( 17,500 miles) Duramax and I keep getting this code. I replaced GM #20760381 module which I was told would fix it. The engine light went off drove it home and park it in the garage. Started it beck up a couple of weeks later and the engine light is back on with code P205B. Has anybody had this problem.Looking for what “business casual” actually means? Find out more in our quick guide to the business casual dress code. Human Resources | What is WRITTEN BY: Charlette Beasley Publi...I have a 2013 6.6 Duramax with 156,000 miles. I am getting the following codes; P11CB NOx Sensor 1 Performance - Signal High, P140C Exhaust Gas Recirculation (EGR) Slow Response - Decreasing Flow, and P0101 Mass or Volume Air Flow A Circuit Range/ Performance. I realize they are all emissions issues and likely caused by each …Duramax Diesel Exhaust System Fluid Injectors - GM Techlink ... instead of P2058 it is actually P205B; 8"s and B's a lot alike with my poor eyesight. ... GM fit that code to the reductant pump, and, it does not use or pump air. Surprisingly, the internet is …Duramax Diesel Exhaust System Fluid Injectors - GM Techlink ... instead of P2058 it is actually P205B; 8"s and B's a lot alike with my poor eyesight. ... GM fit that code to the reductant pump, and, it does not use or pump air. Surprisingly, the internet is …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 an...Hi, my name is Robert and I am a truck driver. At Trucksauthority.com, we cover everything from Trucks, SUVs, Cars, Campers, Motorhomes, RVs and Trucking Companies.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 mo...63 posts · Joined 2020. #2 · Jul 23, 2020. triplenet said: Hey all. New here so sorry if its not in the right area. I've got a 2016 single rear wheel 3500 that is throwing code P205B "reductant tank temperature sensor circuit range/performance". Looking around the web this seems to be a fairly common issue possibly covered by an extended ...Feb 2, 2022 · Chevy / GMC Duramax 11-16 LML Forums. 11-16 LML Duramax Powertrain P205b DEF problem. Jump ... Then I scanned the truck and it came up with the P205B code. The def ... Jan 3, 2019 · This code P205B been around since 2011 LML. If the PCM detects a degree of voltage in the reductant tank temperature sensor circuit that is not within acceptable parameters, a code P205B will be stored and a malfunction indicator lamp (MIL) may be illuminated. Multiple ignition cycles - with a failure - may be required for MIL illumination. P205b code. Hello. A P205b code came up on my chevy 2500 2016 duramax. It sat for a while because i was out of country for about 10 months. It was hardly used. Used for about 5k miles. I was told just refill the def fluid and clear the code but it keeps coming back. I remember hearing that the electrical connection to the DEF tank sending unit ...Dec 4, 2022 · I have a 2011 3500 ( 17,500 miles) Duramax and I keep getting this code. I replaced GM #20760381 module which I was told would fix it. The engine light went off drove it home and park it in the garage. Started it beck up a couple of weeks later and the engine light is back on with code P205B. Has anybody had this problem. The P205B code stands for “Reductant Tank Temperature Sensor Circuit Range/Performance”, which means the power control module (PCM) didn’t get the right response from the reductant tank temperature sensor. …The exhaust gas temperature sensor 1 is greater than 250°C (482°F). The engine speed is between 700–3,400 RPM. The barometric pressure (BARO) is greater than 74.8 kPa (10.8 psi). The ambient air temperature is greater than −7°C (19.4°F). DTC P0420 runs once per driving cycle when the above conditions are met.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. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a little …The P205B code in your Duramax indicates a problem with the temperature sensors in the reductant tank. It can cause lower performance, black smoke, and fuel economy issues. Learn the causes, symptoms, and solutions for this severe code from MotorAudit.com.Common problems with Duramax diesel engines include air in the fuel lines, fuel starvation, water pump failure, overheating, injector failure and harness chafing. Some of these iss...P205B code - beyond extended warranty. I’m getting a recurring CEL and P205B code for DEF tank temperature sensor circuit range/performance. I’m able to clear the codes (BlueDriver) and have had no issues with performance but have seen on other forum posts that this can eventually lead to limp mode. I haven’t received the code on …P206B. The engine computer (PCM) monitors the Reductant Catalyst System's use of DEF and its ability to convert NOx to Nitrogen, Carbon Dioxide, and Water. The PCM uses a Reductant Quality Sensor to monitor the performance of the Reductant system. If the sensor sends back an implausible signal, code P206B is set.25 posts · Joined 2010. #6 · Jun 20, 2017. They have had the truck since Saturday. I had to call and check on it as it is getting close to closing time there. Service advisor told me they had to put an indirect injector in it. I assume since its P20EE and not P20CC that it is the def injector.I have a 2014 chevy 2500hd 6.6L duramax. It has a check engine light on, codes are P205B reductant temperature sensor performance, P11CB NOx sensor 1 performance signal high, P003A turbo vane position not learned, P2598 turbo vane performance low position. Customer wants to replace the def pump assembly & the heating element in …Aug 17, 2022 · The Reductant Temperature Sensor code P205B pop up recently. I reset it with my $400 code scanner/reader. The truck completed a regen last week though. I don't want to have issues when the temperature gets cold. Wanting to replace parts while its warm out. Thanks for the input. 2016 Chevy Silverado High Country 3500 Duramax LML, Banks Idash ... P205b code. Hello. A P205b code came up on my chevy 2500 2016 duramax. It sat for a while because i was out of country for about 10 months. It was hardly used. Used for about 5k miles. I was told just refill the def fluid and clear the code but it keeps coming back. I remember hearing that the electrical connection to the DEF tank sending unit ...Dec 4, 2022 · I have a 2011 3500 ( 17,500 miles) Duramax and I keep getting this code. I replaced GM #20760381 module which I was told would fix it. The engine light went off drove it home and park it in the garage. Started it beck up a couple of weeks later and the engine light is back on with code P205B. Has anybody had this problem. See full list on vehiclehelp.com I have a GMC duramax 2500HD and i have 3 different codes popping up at the same time, i was told it was probably just a fuel cap, and they are all most likely related, the codes are, P11CB, P24AO, P0420, does anyone know what this means . …44K views 1 year ago. Replacing the reductant tank heater sending unit on a 2015 chevy silverado 6.6 turbo diesel duramax diesel in real time.I have 2016 duramax 6.6 gmc sierra had a code p205b so i changed the def temp level bosch sensor and now the def level percentage is stuck at 18% after adding a whole ... employed. High School or GED. 25,666 satisfied customers. I have a P205B code, a P21AB code, aP21BO code, and a P203D. I have a P205B code, a P21AB code, …Softr's quick revenue expansion is a good reminder that there's more to keep an eye on than just AI. No-code startup Softr, which allows its customers to build apps from their exis...Duramax Diesel Exhaust System Fluid Injectors - GM Techlink ... instead of P2058 it is actually P205B; 8"s and B's a lot alike with my poor eyesight. ... GM fit that code to the reductant pump, and, it does not use or pump air. Surprisingly, the internet is …63 posts · Joined 2020. #2 · Jul 23, 2020. triplenet said: Hey all. New here so sorry if its not in the right area. I've got a 2016 single rear wheel 3500 that is throwing code P205B "reductant tank temperature sensor circuit range/performance". Looking around the web this seems to be a fairly common issue possibly covered by an extended ...Duramax Diesel Exhaust System Fluid Injectors - GM Techlink ... instead of P2058 it is actually P205B; 8"s and B's a lot alike with my poor eyesight. ... GM fit that code to the reductant pump, and, it does not use or pump air. Surprisingly, the internet is …Jumped in the truck this afternoon and did a 'cold' start, about 50F. Immediately get the 'Service Emissions System' warning. Scan the codes and I have U010E and P205D. These codes don't seem very common on Duramax's... hoping someone out there has a few good ideas for things to check. I naturally need the truck …Chevrolet diesel trucks use the 6.6 liter Duramax engine, which is prone to intermittent fuel starvation, water pump failure, overheating, injector failure and injector harness cha... The P205B code in your Duramax indicates a problem with the temperature sensors in the reductant tank. It can cause lower performance, black smoke, and fuel economy issues. Learn the causes, symptoms, and solutions for this severe code from MotorAudit.com. Drain Discussion starter. 45 posts · Joined 2007. #1 · Oct 13, 2021. So I have not updated my profile so I will lead with my pickup is a 2015 Duramax 3500 4wd (I believe its an LML not positive), I started getting the code P01F0 last spring and after driving with the code for a bit I reset the code with a code reader, apparently the weather ...How To Fix DTC P003A. For a temporary fix, it’s possible to remove the turbo, split it apart, and remove the rust on the cartridge where it meets the unison ring. This may give you a few more years of service, but remember – if it rusted once, it is basically guaranteed to rust again. The permanent fix is to replace the turbo with a new ...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 driv... A stored code P205D means that the powertrain control module (PCM) has detected an excessive degree of voltage in the reductant tank temperature sensor circuit. This code is exhibited in vehicles with a clean burning diesel engine, exclusively. The catalyst system is responsible for reduction of (basically) all exhaust emissions although ... Reductant Tank Temperature Sensor Circuit Range/Performance. What does OBD-II fault code P205B mean? OBD-II Code Diagnostic Trouble Code is defined as a Reductant …

To diagnose the P16A8 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.. Craigslist hyde park

p205b code duramax

I was able to verify and clear this code using my Insight CTS3. It will stay cleared for several days, but pops back up again eventually. The insight info shows me that the DEF fluid always registers 127 degrees, regardless of the last time I drove the truck, or the temperature outside.Today’s technology is about the future of application development rather than the past. The shift to modern tools such as low-code is happening no matter the controversies. Receive...A stored code P205B means the powertrain control module (PCM) has detected an abnormal voltage in the reductant tank temperature sensor circuit. This code is displayed exclusively on vehicles with a clean diesel engine. The catalyst system is responsible for reducing (mostly) all exhaust emissions, although some applications are …28 posts · Joined 2016. #1 · Jan 18, 2017. Hey guys, i have a 2011 Chevy Silverado Duramax and recently CEL went on and i checked for the code and its P205B (Reductant Tank Temperature Sensor) , i was researching online and looking on a different forums a lot of guys having this same problem, and my question is, did any of you guys …64 posts · Joined 2012. #1 · Jun 29, 2017. OK, Message on dash says to service DEF system, 147 kilometers until reduced max speed 105 km/h. Code P20b9 shows up on the scanner. I'm 275 kms from home. So finished the trip, in limp mode and took it to the dealer who informed me that my extended warranty does not cover the DEF system …P2599 & P0234. He told me the "Boost Control Position" sensor was sticking, more than likely due to poor quality oil. He recommended running Rotella T Synthertic and changing the sensor. Since that stop the light has returned once again and now that I am back home I will replace the sensor and change the oil.Jul 14, 2022 · i Have a 2012 Chevrolet Silverado 2500 Duramax and I have a p205b code and this is the second time within a year this has come on the first time the dealership checked to see if air had gotten trapped in the tank and reset the system that was about 6 months ago does anyone know if their was a recall involving this issue thanks for any info on ... Dec 4, 2019 · 9116 posts · Joined 2014. #4 · Dec 4, 2019. They’ve got a pre NOX and post NOX sensor, as well as temp sensors through the exhaust. Sent from my iPhone using Tapatalk. 2017 GMC 3500 DRW/CCLB . --2015 GMC 3500 SRW/CCLB-- . Save. How To Fix DTC P003A. For a temporary fix, it’s possible to remove the turbo, split it apart, and remove the rust on the cartridge where it meets the unison ring. This may give you a few more years of service, but remember – if it rusted once, it is basically guaranteed to rust again. The permanent fix is to replace the turbo with a new ...See full list on vehiclehelp.com My batteries are 4 years old so I start there. I install two new batteries and still nothing. A friend and I run codes and find the p0513. With this I realize its got to go to GM. Get to the dealership at 1:30 and at 5:45 they finally let me know they cannot relearn the Theft module.Duramax Diagnostic Trouble Codes . On-Board-Diagnostic (OBD) trouble codes are one way your vehicle communicates with a mechanic. Every diesel vehicle built since 1996 has an OBD II computer system that monitors and identifies issues. In particular, it looks for issues that may result in harmful and polluting emissions from exhaust gases.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====nonda Auto DIY Center is the biggest ...I have a 2014 chevy 2500hd 6.6L duramax. It has a check engine light on, codes are P205B reductant temperature sensor performance, P11CB NOx sensor 1 performance signal high, P003A turbo vane position not learned, P2598 turbo vane performance low position. Customer wants to replace the def pump assembly & the heating element in …P003a, turbo position sensor not learned. OK guys, my cousin bought an 06 LBZ that was stock its entire life other than a straight pipe for the last year or so. When he first got it, there were a bunch of codes and it was stupid sluggish off the line. Codes were P003a, p2564, and a few others, egr circuit low and maf sensor.I have 2016 duramax 6.6 gmc sierra had a code p205b so i changed the def temp level bosch sensor and now the def level percentage is stuck at 18% after adding a whole ... employed. High School or GED. 25,666 satisfied customers. I have a P205B code, a P21AB code, aP21BO code, and a P203D. I have a P205B code, a P21AB code, …Jumped in the truck this afternoon and did a 'cold' start, about 50F. Immediately get the 'Service Emissions System' warning. Scan the codes and I have U010E and P205D. These codes don't seem very common on Duramax's... hoping someone out there has a few good ideas for things to check. I naturally need the truck …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 driv...Code P205B keeps coming up after fix. Hello all. I recently purchased a truck that had the def tank and reduct heat sensor replaced last week. Drove the vehicle for almost a full tank then the code came back. Erased the …The next morning leaving the hotel i got a check engine light and had the closest dealer look at it real quick. Pulled a P204F code. Low temp warning for the DEF. It was 80 Deg. out. Cleared it. Sat in truck again for 12 hrs. Got CEL light and truck said drive till regen is over. Shut off before regen over.The code P20b9 on Duramax is a bit intimidating, especially if you’re reading it for the first time. No worries, the first thing you should look for is a clear understanding of what the code means on Duramax. In technical terms, the code P20b9 stands for “Reductant Heater “A” Control Circuit/Open”..

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