P01f0 Code Duramax Fix - P0088 Rail pressure too high.

Light went off this morning after approx. I took that as a good sign, since the system was working. If you find something like that, replace the bad one. They should match within a few degrees. 2 highly incapable of handling additional horsepower without the addition of a lift pump. wild69camaro Discussion starter. Open TIS on the computer used to program the vehicle. Obviously p205b is reductant tank temperature sensor range/performance. Duramax "upgraded" the injection pump for the LML models, going from the Bosch CP3 to the CP4. scary devil costume The possible causes of the P11DB code include a faulty NOx sensor, an open or shorted wiring. The output on the sensor is saying 42-45 gr/s. To diagnose the U0415 Chevrolet code, it typically requires 1. 6l now it has thrown a code what is the most common problem code associated with the bank and duramax and what would be the fix. If you have a temperature gun it’s the easiest way to test. A P20EE code is a generic diagnostic trouble code that refers to the PCM monitoring the Reductant Catalyst System’s use of DEF and its ability to convert NOx to Nitrogen. To diagnose the P01F0 2015 GMC Sierra code, it typically requires 1. Uses a fuel pressure tester to make a. my engine light came on AGAIN code is p10ce, does anyone know if the truck will go into limp mode because of this. The wire must be replaced if the resistance exceeds the specification. 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 had warmed up to never trip the code again all summer. 6L LGX engines and same symptoms. Reactions: Mango73, gary41, Fibz and 7 others. Hi, my name is Robert and I am a truck driver. Low power top end truck threw under boost code, only that code. Followed some steps in here about checking the temp on the different sensors and determined that in a regen it wasn't getting hot enough. Idles fine, knock/msfires at 1000-1500 rpms. The engine might not also crank if the relay fails to close. Update the PCM software to resolve the code. The malfunctioning of the DPF (Diesel Particulate Filter). As for the fix, you'll need to replace the thermostat. This diagnostic test runs twice a drive cycle. In general, the repairing process of the code p0089 costs 1. Dash shows “71 miles until 65mph limit” Emission , check owners manual. I took it is and the shop said it passed all the tests at the time but he suggested we replace a thermostat (I think) but he said it was around 800-900. ” I HAVE A 2014 DURAMAX WITH 31,000 MILES ON IT. I opened the degas tank cap to look at the condition of the coolant. Some background info here: P008F Engine Coolant Temperature/Fuel Temperature Correlation. The cost of fixing this code varies depending on the auto repair shop, with most charging between $75 and $150 per hour. I hear plenty about the thermostats, but I checked the ref voltage circuit for the ECT sensor and I have 10 kOhm …. Models: 2010 - 2015 Chevrolet Express. This is an older thread, you may not receive a response, and could be reviving an. If DTC P20E8 is a current / active DTC; complete the repair as directed by the DTC P20E8 flow chart. Been a while since I have messed with an lml but if I remember correctly it will not regen properly with that code being active. 0 duramax has 5y/100k on powertrain at least mine does anyway. Duramax Fifth Generation: 2011-2016 (LML) DTC P10D0. Which you stated you didn’t want to do. 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. Can I do this myself or does it have to be programmed/calibrated after replaced? The truck is not in limp mode just the CEL is on. 1969 gtx for sale on craigslist Has your check engine light recently turned on? Are you seeing the dreaded error code P0420 on your vehicle’s diagnostic scanner? Don’t panic just yet. How To Fix P2563 Code On Duramax? Getting the P2563 code on your Duramax means bad news. Start opening ~ 160 Fully open at ~ 180 Degrees F roughly. Whirlpool washers are known for their reliability and efficiency in cleaning clothes. You can do a resistance check at various temps. Therefore, remove the turbocharger and clean its internal parts, especially the unison ring. I cleared the code two days ago via cts2 and now it's back. 5-05 LLY Duramax Powertrain P0299 Under Boost. Jump to Latest During that time frame I started getting several codes. The U0106 code means that the truck lost communication with the Glow Plug module, P0670 is a Glow Plug Module Control Circuit code, U0073 Control module communication issue, P0700 is a Transmission code that requests the ECM to display the check engine light. Step-2: Locate the glow plug relay. The car engine should be scorching and the front sensor should fluctuate between 0–1 volts, and the rear should be steady at 0. P2564 - Chevrolet Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis. You can still get around the issue by following a few simple guidelines. P0102 CODE HELP!! I recently started getting a check engine light for code P0102 on my 02 LB7. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. Let’s see a few other causes of this issue. So, check if there is any bad glow plug timer controller. The Duramax p0087 code is one of the most common issues faced by Duramax diesel engine owners. Duramax is a V8 diesel engine and mounts on Chevy Silverado and GMC Sierra. Recently, when the weather turned cool (high 30s over night but still reaching 70-80 during the day) I began getting a CEL and the "cylinder 1 injector learning limit max" code P02CD only on start up. P0700 is the TCM requesting a MIL (Malfunction Indicator Light aka: "check engine"). The temperature gauge is reading one line below 210 while driving. powermore 420cc engine Last night, the Duramax threw up a code and I cannot figure out what it is. 2005 dodge ram 1500 won't move when in gear 38 answers. lyons market mamou Corroded or damaged vane sensor plug. Check engine on - Answered by a verified Chevy Mechanic When I scanned codes, I had a P01F0. Make sure that all the connectors are clean and tight. Could be restricted fuel lines- [check at the driver's side of the Allsion. Look for broken, bent, pushed out, or corroded connector’s. Disconnecting the batteries will not work. I'm having this problem as well. I have a 2015 Chevrolet Silverado 2500HD LTZ 4x4 with the venerable 6. P01F0 code comes up replaced the sensor came back it heats up to 185 and doesnt overheat can't figure it out, 2015 2500 - Answered by a verified Auto Mechanic 2016 2500 HD denali duramax diesel. The next step you have to follow is to test whether the fault is there or not. Avoid a stationary one if possible. So I removed the cooler, and the EGR intake yesterday. These codes don't seem very common on Duramax's hoping someone out there has a few good ideas for things to check. Code u1800 | Chevy and GMC Duramax Diesel Forum. mini mario perler beads I've randomly gotten a P16A8 check engine light on my truck about three times now. I realize they are all emissions …. What is the Cost to Diagnose the Code P01F0 2017 Chevrolet Silverado? Labor: 1. Ignition ON, command the Reductant System Leak Test ON with a scan tool. Jump to Latest Follow Whatever fix I tried would work temporarily then back came the issue. Completes a test drive and uses the live data to determine whether the fuel pressure reading is normal. The cost to diagnose the P01F0 2017 GMC Sierra code is 1. I had that code pop up and P003A. DTCs P0641 or P0651 are not set. This video will show you how to fix code P0204 and P0300 on the L5P Duramax diesel found in the 2017 to present GMC Sierra and Chevy Silverado 2500 & 3500 Tr. Truck cuts off randomly at idle and goin down the road. Yes, it was the same exact code. Diagnose and repair turbo concern and evaluate P0108. It's normally set by aftermarket air filter/boxes, air leaks in the intake tract, maf installed backwards, or something that has altered the amount of air going into the engine like an intake leak. My 2015 Duramax is throwing P21DD code and P21DDpd code. P0104 Mass or Volume Air Flow Circuit …. who makes the best 1911 If the Glow plug of cylinder no 8 is faulty or part of the main issue, you will see the code P0678. At least the code is in the history so hopefully they can fix me up under the latest extended coverage letter. I assume since its P20EE and not P20CC that it is the def injector. The automobile fault code P205B can be caused by a faulty Reductant Pump and Sensor Assembly. Read all recalls and see if you find any related to your current problem. truck starts and goes fine when plugged in over night. Regardless, P0420 is related to HC (hydrocarbon (diesel)) conversion rate not a DEF problem. The P0101 is maf (Mass air flow)sensor code, make sure you have it seated correctly and plugged in. How Much Does it Cost to Fix Duramax P0191 Code? Most of the relative sub-issues under the DTC P0191 require either repairing or a replacement of the parts. This means the misfire code P0300 represents the same failure on a GM/GMC Duramax, Ford Powerstroke, or Dodge Cummins. P01F0-00 P0420-00 P2463-00 P24A0-00 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. For more information, refer to Bulletin #21-NA-006. Dealer says they need to order a new tank/pump Assy. A faulty catalytic converter, leaked hose pipes, or a broken engine can result from unbalanced temperature control. I kept reseting check engine light over the course of several months with mileage intervals decreasing. Is it built into the pump? Or is it a separate assemble, when I look up the part numbers it just shows the pump and the module, but there's something else plugged into the center of the def tank. So I did some research and did a " Reductant System Malfunction Warning. Please discard Corporate Bulletin Number 12-06-04-002B. The engine run time is more than 8 minutes. 00 and feel that they should re fix it for free. Particulate Matter Sensor Temperature Circuit High Voltage. 2015 LML SXE 369 Code P10CF but I am still a little lost what sensor is it exactly that is throwing the issue and how do I fix it, is it just a simple replacement sensor I need or is it tuning related. 2011 chevy 3500hd cc 4x4 drw ltz loaded with snowplow prep. I've been having the code off and on for a couple weeks, each time I've tried something different to fix. The cost of fixing this code varies between $75 and $150 …. Hence, make sure to work when the engine is cool. But, added power isn't the achilles. The cost to diagnose the P01F0 2018 GMC Sierra code is 1. 5 LB7 Duramax Powertrain Need help diagnosing P0192 code. It may take an hour to clean the turbo and let you drive another 40,000 miles without the P003A code. 2/21/2020 - Several dash lights and messages after the previous repair (service trailer brake, stabilitrac, traction control). The cost to diagnose the P0128 GMC code is 1. 6L v6 engines (Blazer, Envoy, etc) GM 3. I sent the ECU for repair but they may not have tested it in the time & conditions as my. I have read just about all the posts about the P0087 Fuel Rail Low Pressure and have used them to do all the checks. So I needed to a smog done to register my truck in California and I detuned my truck, restored the computer to …. 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. Feb 27, 2023 · 6 posts · Joined 2023. I've read and searched here and other forums for a solution to the P0234 code on a Duramax LB7 and have seen alot of people with the same problem but havent been able to find a solution yet. Back in 2013 GM issued a letter explaining the warranty repair for 10 years 120,000 miles. If 2 Ω or greater, repair the open/high resistance in the circuit. Code P0735 is commonly caused by internal transmission failure, a malfunctioning PCM, or TCM failure. Nov 8, 2017 · LML Thermostat Replacement Tips. Step - 2: Inspect the Routed harness of the MAF sensor. I apologize if it somewhere else. The Aux Battery cable for the LMM included the GPCM cable and also an insulated loom …. The common case for the code P01FO to set in most cases is not a failing temp sensor but instead a stuck open engine thermostat and normally replacing it will solve this code for you. Sometimes it's best to let the professionals handle the situation. P205b code how much to repair and how serious is it High School Diploma. Im on a cross country trip and need to know something about this glis plug code I don't think you will have any problems until you can get back and fix it. The glowplug is fine if the reading is between 0. 11-16 LML Duramax Powertrain Dealer Repair Frustrations (P24a0) In pulling the codes, I noticed the P24a0 code and was helpful the thermostat would help with getting higher engine temps (as it was running low) to correct the P24a0 matter. If you own an LG dishwasher, you may have encountered the error code AE at some point. What is the Cost to Diagnose the Code P01F0 2018 GMC Sierra? Labor: 1. A stored code P204C indicates that the powertrain control module (PCM) has detected insufficient voltage in the reductant pressure sensor circuit. 5 MPG Diesel Power Challenge 2008. To fix it, simply replace the ECU. This bulletin has been revised to add the 2015 model year and information. At the same time, an ECT sensor might cost between $300 and $320. P0700 Duramax Diagnosis And Repair Of The P0700 Code. 1) Perform the regeneration and note the exhaust temperature sensor #2 to be over 1000 degrees with temperature sensor #1 more than 600 degrees. 5-05 LLY Duramax Powertrain P1626 Code PCM Failure Displayed trouble code p1626. Please help! 13BlueGranite CC/LTZ/Z71/4x4 with all the fixins Duramax 6. Use an OBD scanner to collect all related trouble codes, such as P0045 or P0046. I'm on a road trip so I need some help figuring out what this is. co 👈=====Engine Code P010F Saving Repair Parts. Repair the open, short to ground or high resistance in the Run/Crank Ignition 1 Voltage circuit. The Kodak Carousel projector uses a mechanical system to advance and display 35-mm slides from its circular tray. Upon trying to fix it, I am having trouble getting to it. First, check the connections at the battery and make sure they are tight and free of any corrosion. Will post when i get it back tomorrow. It also goes into a reduced power mode. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat. Dealer said they replaced the DEF tank and sensor. P206B: Affordable Fix For Complex Automobiles. spider monkey to buy If you can finish the engine trouble, the trouble code will be cleared. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. This action helps to reset the onboard computer system. Also the high heat cleans off the sensors. Jump Conclusion - I'm a dumba$$. I have a 2015 Silverado LML Duramax. To diagnose the P01F0 2016 Chevrolet Silverado code, it typically requires 1. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. Mar 26, 2019 · it comes up as an invalid DTC code 2009 Silverado 2500HD CCSB LTZ Diesel FASS 95 Lift Pump (with Baldwin filters), Edge Evolution CTS2 Monitor w/Dash Pod Mount, Factory FF as Tertiary Filter, Bilstein 5100 Stock Height, Steel Diamond Plate Bed Rail Caps, AMP Research Bedstep, Fumoto oil drain valve, PS Oil cooler, Pioneer AVIC 7200NEX GPS. The ECT Sensor (Engine coolant Temperature sensor ) or Circuit to it could be faulty. DTC P0735 stands for “Gear 5 Incorrect Ratio. Based on the above explanation and depending on the source consulted, OBD II fault code B1325 is a Chevrolet-specific trouble code that typically sets when one of four possible control modules detect an abnormally low battery voltage for a predefined period. If the ECM detects an excessively high IAT signal voltage, indicating a low temperature, DTC P0113 sets. SPECIAL NOTES: As with many other trouble codes, Chevrolet-specific trouble code B1325 is listed with different definitions by different resources. The new turbo has a new plug for that sensor. Cleaning the turbocharger is necessary to resolve the P2563 code on the Duramax engine. If the code is reset on your Duramax, jump to the next step. A low-cost snoring fix led to a good night's sleep -- and a very happy wife. 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. 11-16 LML Duramax Powertrain Reductant Temp. 11-16 LML Duramax Powertrain '13 LML - Code P20E2 and familiar with what the code means, but I'm just not 100% on how to fix it, and which sensor I should attempt to replace. 2L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All. which is possible if trans work was being done. Replacing a booster or sensor won’t be cheap. If you see a suspect terminal, it may be necessary to removal said terminal and inspect for corrosion, damage and/or. That’s because the problem can be in the sensor or turbocharger. * The engine coolant temperature is …. If that code doesn't go away in 90 miles, you can plan on it going into limp mode. had the same problem and that took care of it. Duramax Diesel engine RPO codes include: LB7. My reputable dealer wants $2,800 to do the EGR Cooler by-pass valve replacement. P0047 is the boost control solenoid. You can connect one to the wires if there are no pre-existing Ohmmeters. Could also be a bad ECT Sensor. Even if you carry your loan for a 30-year term, you won't Buying a house is often. After I picked up truck on next start dame code. 20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness. Honestly you should not be throwing a code unde4r normal circumstances so fix the problem before adding mods or throwing money at it. Usually when this code comes up it means the reductant heater in the tank needs to be replaced. Had onstar check it and it's the P20EE code. Jump to Got a P0193 code about 2 days after changing my stock fuel filter. The on-board diagnostics, or OBD, code P0442 can often be fixed by tightening the gas cap or replacing the gas cap. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Finally, it can cause severe damage to your vehicle’s engine and cost expensive repair. The code P11CB on your 2015 Duramax usually sets in most cases due to a failing (NOx) sensor 1 and if you just looking to replace it without testing it to be sure it has, in fact, failed then all you would need to do is replace it and clear the code and that should do it as long as it was just a bad sensor which is likely. So I changed the thermostats and all was good for about a month then rcieved the P2BAD code for a week or so then went off. With the cooler nights, I've got the P01F0 code for low coolant temp/open thermostat. A common fault message is assigned to this code. Go to the following link and enter your VIN. Right now I am trying to get around that expense, not go through all that work …. Let it sit overnight and now its shifting normally again but still throwing code. To get a new fuel pump sensor, you need to pay $60-$100. OBD-II Check Engine Light Trouble Codes for the GM/GMC Duramax below: P0100 Mass or Volume Air Flow Circuit Malfunction. 20 years auto repair experience, ASE Master Tech, …. You will need 1 hour of labor to fix the issue, around 100 dollars. FC5452 said: Egr valve is stuck closed, things you can try for the 0400 and 140b code, check your air filter (clean or replace, clean maf) sounds odd but the flow is calculated by air intake flow. lineup for the nascar race today This code is set when the engine temperature is regulating at less than 160 degrees. Left the truck alone for the week and went out today to try to check the voltages to the two fuel pressure regulators, stock and Dual …. go2 gwinnett live cartel killings will try to fix it myself since GM wont take care of it 2011 gmc 2500 hd w duramax diesel. How to Fix the DTC P01F0? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Jan 31, 2013 · Conditions for Running the DTCs. Open or short in the signal circuit 3. Took out the Tech 2 and have a Commanded Pressure of 5838 and an actual of 19,875. tv guide without cable Came back home, parked it in my driveway for about an hour, then when i went back to go to dinner, it started, idled for about 5 seconds, then shut off. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon …. This one is specific to the LML code Duramax produced between ’11-’16, which used the Bosch CP4. I think I have it narrowed down to possibly bad thermostats allowing coolant to flow. I asked about this with another tech and he told - Answered by a verified Chevy Mechanic I am getting code P01F0 on my Chevy Duramax 2500HD. The code came back a couple of times after replacing it for the. 2011's can only use a "2011" tank - for some reason it can't be replaced with a better design that came on the 2012 and later models. 7K views 2 replies 2 participants last post by riggerz Dec 14, 2014. Well took the truck to the dealership to have them checkout a P2495, P140A, P245 and they told me my EGR Cooler Bypass Valve was bad. The automobile fault code P2459 indicates a problem with the diesel particulate filter regeneration system. Code's P154B, and P154D after EGR removal. 2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Top Contributors this Month View All. The GMC code P01f0 code is letting You know that Your coolant thermostat temperature is below the diagnostic monitoring temperature for optimal efficiency. The most common cause of this code is a malfunctioning brake pressure modulator valve, but it can also be. Oct 15, 2017 · Search "Pump Rub". Friday, December 10th, 2021 AT 8:34 PM. #1- the Trailer tow relay (GM Part # 20904439 - picture attached) needed to be replaced. However, like any other appliance, they can encounter issues from time to time. So eventually you will get soot accumulation codes and a plugged dpf. Unhooked my batteries a couple weeks ago to do my delete. The automobile fault code P206B can be diagnosed and fixed within an estimated repair time of 1. Before the delete the CTS2 read the fuel temp …. Most auto repair shops charge between $75 and $150 per. TRUCK: 05 Chevy DMAX CCSB 2500HD AT/4x4-Dark Blue Ext/Charcoal Int. OB2 code P01F0 Has anyone ever had OB2 code P01F0 for Coolant Temperature Dropped Below Diagnostic Monitoring Temperature? We recently had a cold snap here in Texas and my 2013 Duramax check engine light came on with this code. is this code just specific to an 2001, because I just looked again through my 2004 service manuals and there is NO code P1781. EFI Live V2 w/dsp5 MAX EFFORT by Idaho Rob, EGT's Never higher than 1150* :thumb. However, if you have to replace the glow plugs, the price will go up. Often this code causes the Check Engine light to come on and off in cold temperatures. That's the DTC code for the DEF Tank Heater. I'm running a aFe proguard 7, when its been cleaned and oiled my MAF g/s is 40-43 if it gets to 45 I'll get the code. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". This system is responsible for generating necessary pressure or motion for optimal operation. Jun 9, 2022 · What is the Cost to Diagnose the Code P01F0 2017 Chevrolet Silverado? Labor: 1. i thought it was the fpr so i replaced it but the codes and defueling came back. I keep getting the trouble codes P00F5, P0113 and P00F6, and had P2199 show up once on my Edge Diagnostics screen. CEL on and traction control light all on. Built Motor/Trans • Bullseye s475/87/. So, you should take the necessary action to repair a fuel pump. Check the plug for the regulator to be sure it doesn't have a pin that's pushed out or something, and that its plugged in all the way. P2493: Affordable Fix For Your Car’s Fault Code. What is the Cost to Diagnose the Code P01F0 2016 GMC Sierra? Labor: 1. When I took it to get looked at on my local auto hobby shop, I received three codes from the shop. Coolant temp dropped below diagnostic monitoring temp. However, like any other appliance, they can occasionally encounter issues that may disrupt th. 01 Silverado crew cab long bed 4x4 4:10 Duramax no mods bone stock chevy dealer replaced inj pump and 8 injectors @ 145,000 miles no charge current mileage 167,000 replaced 1-h2o pump, 1-set front brake pads, 2-rear wheel seals and routine maintenance with delo 400 and Texaco moly grease :neener. This control module is located just above the heater tank. Had the check engine light pop on and the code is P1050 (Reductant Level Sensor Invalid Range) my question is - with this sensor being out will it impact the ability to drive the truck - I don't want it to go into limp modewhile I'm waiting on the part to arrive. Operate the vehicle within the Conditions for Running the …. Save over $500 doing it yourself. Had this code pop up two days ago. The code P01F0 is for the stuck open thermostat as it's full time stuck on and making the issue, please replace that, first, also check the wiring linked with it! Manuel, as for the wrong DEF level reading, please check the wiring linked with the DEF tank as it may be damaged and shorting somewhere which is why the HUD is showing full,. Plugged my scanner in and it's running about 170 degrees. It was often accompanied by MAF codes. This will raise a dimple inside the connector for a better contact. how to get boyfriends text messages Before you start, turn off your engine and wait until it’s sufficiently cool to open your coolant reservoir. OEM Replacement Part: ACDelco GM Original Equipment 12650595 Engine Coolant Temperature Sensor, Black. Repair all damaged wiring and connectors before moving on to the next step. P01F0 Code 2015 Duramax (2024) If you're a proud owner of a 2015 Duramax, you know the joy of driving a powerful and reliable vehicle. Inspect the connector terminals for any condition that may result in excessive resistance. Attempting to fix a P205B code can become a challenging task if you don't have the right tools and know-how to test the reductant tank temperature sensor. Immediately get the 'Service Emissions System' warning. gm engine code p01f0 | gm engine code p01f0 | gm engine code p0106 | gm engine code p0101 | gm engine code p0102 | code p01f0 duramax engine | p01 engine code f. A fault in sensor one causing a P0113 would also. And it won't let me clear the code. A U0415 code is a generic diagnostic trouble code that occurs when the PCM/ECM detects the ABS control module signal voltage input that is invalid, implausible, erratic, or that otherwise falls outside of the expected range. I naturally need the truck tomorrow to tow …. After finding and fixing all the leaks, I discovered that wherli's kit didn't include the proper size bungs for the IAT sensor after the turbo and CAC temp sensor. The dealer should verify which air cleaner housing is on the vehicle, and make sure the correct engine calibration selection is made. To fix the issue, remove the turbo and clean the unison ring or replace the turbo. Air filter is not a oiled K&N unit. After searching around, it looks like P204F indicates a problem with the DEF system. 2016 GMC Duramax Denali bone stock. You will get the options for various functions. Temperature gauge reads about 190 F. I realize they are all emissions issues and likely. P203B is the trouble code defined as "Reductant Level Sensor Circuit Range/Performance" and indicates a detected unexpected electrical reading from the sensor circuit as identified by the ECM. You either have a sticky FPR, a bad coil in the FPR or no power to the FPR. Mar 31, 2015 · Red675 Discussion starter. Ranch Hand Front and Rear Replacement Bumpers (Ridgid Dually Lights on Rear (2)), NFAB 6-Step Nerf Bars, RKI Tool Box, Custom Headache Rack w/ Ridgid Dually …. Then simply try to locate the boost control solenoid. DTCs P0401 and P0402 run continuously when the above conditions are met. To avoid this, you can try out some troubleshooting and see if it helps fix the problem. "1" in the third character position in a DTC indicates that the fuel and air metering and auxiliary emission controls ….