2012 bmw egr fault code fix. Fault codes keep returning 40D4, 4862.
2012 bmw egr fault code fix I’ve seen a few people post will similar problem but never the answer on what they did to repair. The fault code P042E can be caused by a faulty Exhaust Gas Recirculation (EGR) Valve, an open or shorted harness for the EGR Valve, a poor electrical connection in the EGR Valve circuit, or a faulty BMW Fault Codes Lookup This BMW fault code lookup service was created by an enthusiast for enthusiasts. Exhaust Gas Recirculation Flow Malfunction. I guess I should go see the dealer on this and see if they will cover it. When the LP-EGR actuator isn't operational, the LP-EGR valve position feedback sensor will complain, as well as the LP-EGR cooler temp sensors, eventually. codes Seems your system has detected low pressure that falls below the A/C set point, indicating a possible leak. P0400 code definition. I recently had the second recall and had it in the garage last week. IT Learn what the P0401 diagnostic trouble code means and how to troubleshoot insufficient exhaust gas recirculation (EGR) flow. The coolant temp sensor code you have I am dealing with now. i took it for the egr recall collected Understanding the technical aspects of the P049D OBD-II code is essential for diagnosing EGR system issues effectively. Have you checked the exhaust pressure sensor's connection to the ECU? Customer: Yes I manually checked voltage from the signal wire. it gives off good voltage. G22Model Year That's correct N47, I replaced my EGR with a brand new one, no change with the code, was a genuine Pierburg one with the BMW logo ground out. So 2012-2015 BMW 3-Series and 4-Series Forum. Auto repair shops typically charge between $75 and $150 per hour for their services. Print. I have the same Problem with my Low pressure EGR, code 0047C9 is the first that pops up again after reset, I have replaced the pressure cam unable to fix the damn thing, the LP EGR valve, all the corresponding vacuum lines anyone that has succeeded fixing the Our BMW Fault Code Lists and Guides provide a comprehensive collection of diagnostic trouble codes (DTCs) for BMW vehicles, along with explanations of each code and troubleshooting tips. Recently, it's thrown an EML. The egr cooler is specifically listed as a 7 year / 70,000 mile covered component. com, M3Post. com, BIMMERPOST. So I started thinking, shouldn't any repair related to the egr cooler be covered under the California Emissions Warranty? I am in Washington, but we follow CARB for all vehicles 2012 and newer. It Learn what Trouble Code P0402 means, the cause, and how to fix it. Fix the issue 2. Using the Torque app I have this code even after I cleared it. The most common causes of a P0400 code • Complete EGR valve failure — not opening, not reporting an opening In this guide, we cover the meaning of the P0401 trouble code and look at its top causes. What Does the P2457 Code Mean? The diagnostic trouble code (DTC) P2457 indicates “Exhaust Gas Recirculation Cooling System Performance. 1. Work smart, not hard. Thanks #19 is the EGR temp sensor for the main EGR cooler at the front of the engine. Bimmerpost ☰ Model Selection. The spring located below the cooler was broken on my EGR Cooler, Morning all. For a customer to request reimbursement for a qualifying customer-pay repair performed either by an authorized BMW. The garage have fitted a brand new egr valve but it just keeps throwing up the same 4 fault codes every time. When a car manufacturer detects a problem with a model they put out a recall notice and Check the following possible fault causes: 1. EGR was done under recall 2020, the module was reprogrammed under F20 / F21Model Year: 2012 - 2018. To fix the automobile fault code p0490, start Electrical problems affecting the EGR circuitry; How To Fix A P2457 Trouble Code. N47 engine. Drives: Bimmerforums is the preferred online BMW Forum and community for BMW owners. (Note that latest kit version with letter B at the end, previous was 7L6198970 and 7L6198970A, I read in the comments that 7L6198970 (the very first one) has short wires and can I bought my 59 plate BMW in Jan 2011. 1Addicts. Jump to Latest 21 - 28 of 28 Posts. So I have =============================Claim your FREE engine code eraser 👉 https://free. then demand BMW honor their parts and labor warranty. Expert will respond in minutes. "Historic Fault" P0401 - Powertrain Proceed to the nearest BMW I cleared the code and the 40D4 (EGR controller position control) comes back in a day or two. This means that the PCM has recorded that the Deciding to live with these for a couple of weeks I didn't notice much change in performance. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to F11 535d P115D fault code repair DIY. com, XBimmers. • When the old EGR cooler is removed: • Remove the EGR pipe from the intake venturi pipe (replace O-ring (2) and gasket (3). EGR Cooler Cooling Plausibility - Code 4873. DTC P0401 is registered by the engine control unit (engine control module) when it determines that an insufficient amount of exhaust gas is being redirected through the car EGR valve. Your other codes are much more problematic and having spent money on a new DPF would certainly be rather frustrating. This is the secondary/additional EGR cooler temp sensor, circled in yellow, including the connector. The error codes I am getting is P042E and P042F which point to the EGR control valve being stuck open and closed. Do you know the fault code already? Enter it in the box below and hit "Search Codes". I used a screen door spring to the chassis to fix it for now. Question: this car has 2 of them one that mounts to the manifold and If anyone needs help here we have the DTC Database (OBD-II Trouble Codes) Definitions for BMW diagnostic trouble codes. 1 2. Exhaust-gas recirculation valve jams shut (in conjunction with the fault codes 272E00 and/or 4C9E and/or 255B00 and/or 40D4). E90 / E91 / E92 / E93Model Year: 2006 - 2011. I searched for an Aftermarket one (not an OEM or genuine). Our guides can be a valuable resource for anyone looking to Will MAF issues throw EGR fault codes? Bimmerpost ☰ Model Selection . How Do I Fix Trouble Code P0401? EGR system malfunctions can result in several types of vehicle problems. Ultimately it was caused by old software which I doubt you have on a 2012. Exhaust gas pressure sensor before turbine faulty (in conjunction with the fault codes 27B900 and/or 4C83 and/or 28DE00 and/or 4990). I can get a new one from the dealer for $650 plus labor or I can spend about $1500 (including labor)and purchase the hardware and tune to remove the EGR valve completely and this will have the added benefit of increasing the horsepower and torque by about 70. I'm having a 4B7E code on my 2012 BMW x5 35d. Page 1 of 2: 1: 2 > Thread Tools: Search this Thread if you had errors with EGR, check for repair campaign. BMW Garage: BMW Meets: Register: Today's Posts: I’m getting fault code 290900 air mass system: Measured air mass too high. tech support, mechanics, vets, home repair pros, more. Leakage in air mass system between hot film air mass meter and compressor. The causes may include a faulty EGR valve, clogged EGR passages, or a malfunctioning EGR control solenoid. As you might be aware, P codes are not the BMW fault codes and are pretty generic. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23Model Year: 2014 - 2020. Just wondering if anyone has ever had egr issues with the following fault codes. ” It applies to certain diesel vehicles equipped with The automobile fault code P140A can be diagnosed and fixed within an estimated repair time of 1. The fault is cleared if the engine is switched off and back on again. Charge-air temperature sensor faulty (displays values that are too high, mostly without fault entry). Do you have a way to get the BMW codes? One common problem is the return spring on the hp-egr cooler breaks. The P049D trouble code specifically points to the control module (PCM) detecting that the exhaust gas recirculation (EGR) valve’s Recirculation A Control Position Exceeded Learning Limit. E81 / E82 / E87 / E88Model Year: 2004 - 2011. After a while I had problems with rough running and took it back to BMW who replaced the knock sensor under warranty. 5. com, F30Post. BMW X1 Recalls. It will log a P2457 code if the exhaust temperature does not meet the expected value. Here’s a step-by-step approach to pinpoint and repair the issue: 1. a. I have a BMW-specific fault code reader and I regularly get the following codes: 255C00 - The cause of this fault code can be a faulty EGR valve, an open or shorted EGR valve harness, a poor electrical connection in the EGR valve circuit, or a faulty Engine Control Module (ECM). with a remapping to fix. I forget the code numbers. Post a new forum topic now. About 3-4 months ago I had engine light come up and they said it was to do with EGR as well but they cleared the code and it was fine up until yesterday. Bmw x1 2012. Since you have Hi, I'm having a similar issue with my F11 520d. Tweet. 2000 Honda DC2R Integra Type R - Sold 2003 Nissan Z33 Z350 - Totalled 2010 Holden Commodore SSV - Sold 2008 E60 LCI 530i M Sport - Sold 2018 F15 X5 XDrive30D M Sport - Current Forum for BMW 1-Series 3-Series 5-Series 7-Series M3 M5 M6 Z4 X1 X3 X5 X6 Z2 Z4 325i 330i 335i 535i My car threw up the fault code '4933 - air to EGR mass flow, plausibility'. ) Before turbine (in conjunction with the fault code 27B900 and/or 4C83). How To Fix The P0401 Code. P0400 is an OBD-II generic code that the engine control module (ECM) detected the engine exhaust gas recirculation (EGR) valve is not flowing recirculated exhaust gases when it is commanded to open the flow of gases into the intake manifold. New Member. Code or reprogram (whichever applies) the responsible hardware to 2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Fault codes (EGR?) Google Search Search Forums The fault is accompanied by some staggering and juddering. Two weeks on some of these codes had again changed (having reset two weeks prior), dropping from 8 to 6 codes. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 / F23Model Year: 2014 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 valve with the PN 11 71 7 810 871 is found installed on a model vehicle identified in this bulletin, replace the EGR valve. Visually inspect the wiring harness and connectors for damage and 1) Fault: Reducing agent, active temperature sensor- Code: 004D32 2) X5 35d CEL P205b Decided to try to repair active tank with a repair kit for VW Touareg 7L6198970B. I then had a garage replace the brake vacuum sensor and EGR valve. But then again I'm not too surprised given all the EGR related Short story, no fault code but some stutter from EGR (validated with ISTA test), I decided to change it with a new one. P140A Fault Code: Understanding Symptoms, Causes, And Solutions. com, 5Post. To fix this code, you need one of . It is purely an information code, and does not trigger check engine lights nor drivetrain errors. My BMW e90 was running rough and had engine management light on so with Carly adapter I managed to read the codes which were 004B84, 003FF0, 0040E9, 004B82, 004B81. The cause of this issue is a faulty EGR cooler. The hp-cooler is the one connected to the EGR valve you cleaned. BMW Garage: BMW Meets: F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > EGR system problems? fault code 290900 or P115d Post Reply Thread Tools: Search this Thread 06-02-2021, 01:50 PM #1: logicslo. Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks or the BMW Certified Pre-Owned Program. The P0401 trouble code stands for EGR Flow Insufficient Detected. Expert P2413: Affordable Fix For Your Car’s Fault Code. A P0400 code is defined as Exhaust Gas Recirculation Flow Malfunction; meaning that the EGR valve isn’t responding properly to the EGR flow command issued by the ECM. We also evaluate how to diagnose it, what might fix it and the average repair cost, so you can be well informed. 5 F - Min Limit: 5. Before the engine management light appeared, I had no other symptoms. The car worked fine and got XBimmers. Fixing the P0401 code requires removing, cleaning, or replacing the EGR valve Trying to get used to being a BMW owner after buying Lexus. I would check that. Fixing the P2457 trouble code involves diagnosing problems with the Exhaust Gas Recirculation (EGR) system. com, E90Post. This time I thought maybe the engine was catching up with the new EGR valve, I had one bottle of STP 5 in 1 cleaner left so in it went. One or more of the following repairs can fix the P0404 code: Replacing the faulty EGR valve; P0404 Code Repair Cost. Appreciate 0 Quote Recently, my car's CEL is on and after some diagnostic using the Foxwell NT520/510 Pro scanner, it gives me the following code. i gave a prefctly working bmw 320d 66 plate with 88000 miles on the clock and very well looked after. Email. Mine failed with 90k+ miles. I have The EGR cooler in my 2013 BMW X5 35D is cracked and needs to be replaced. Left of engine (as you face the car):-This is the main EGR cooler temp sensor & where the connector is: Fault Code 290900 AIR TO EGR MASS FLOW. nonda. If you are using a Main labor code for another repair, use the Plus code labor operation 00 00 556 instead. This code is set when the engine control module (ECM) detects I moved your question to the F01 7 series forum, you will get more help in here. The P0404 code fixing or repairing cost depends on the nature of the repair. i got a recall letter in july and was booked in for the 12th of september 24. I replaced the DPF and EGR filter a couple of weeks ago in my 2011 Jetta TDI and shortly thereafter starting receiving a P0471 code concerning the sensor (directly behind the oil fill cap). The CEL turned on a couple of days ago and I plugged in my OBD fault reader and saw a P20EE code. The symptoms may include reduced engine performance, rough idling, and increased emissions. • Inspect and clean (if needed) the EGR pipe. Tags 313hp engine light f11 535d fault code p115d maf sensor. BMW Garage: BMW Meets: Register: Today's Posts: Search: But the biggest issue is the emissions codes since I don't have a DPF/EGR. Most auto repair shops typically charge between $75 and $150 per hour for their services. Trouble Code P0402: EGR Excessive Flow Detected. The EGR cooler was replaced under the recall about 10 months ago. 0 hour. I've got an F15 with the N57 3. Apparently just as expensive as the fix above, but feels like it To fix the automobile fault code p245a, you need to check the possible causes listed above. Took it to the dealer, they The meaning of fault code P0401. Hi, I have a BMW that has the EGR (exhaust gas recirculation valve) replaced every 2 or so years under a recall campaign by BMW. It can affect almost all vehicles on the market. com, 6Post. Original EGR was jammed, so decided to replace for new one. So I found that BorgWarner 710327D was the one! At 95k it would be interesting to see how much the intake ports of the head are gunked up it could be causing a restriction, i use to get a lot of lexus / toyota in with the 2. Diagnostic scan to confirm the P1403 code and identify the specific issue; Inspect and clean or replace the EGR valve; Check and repair any vacuum leaks in the EGR system; Test and replace the EGR valve position sensor if necessary; Clear the trouble code from the vehicle's computer and test drive to ensure the issue is resolved The PCM checks the temperature of the exhaust gas coming from the EGR cooler. 2012 X5 35d The P2457 automobile fault code indicates a problem with the Exhaust Gas Recirculation (EGR) cooler, triggering the Engine Light or Service Engine Soon Warning Light. Our professionals are here to help make sure you find the answers you need to your questions and Here are some of the most common fixes to the P0404 trouble code. 0 d4d engine throwing air mass drift codes because the egr port and intake ports were restricted but it was dry carbon so cleaned out easy not like the bimmers which just gunk up. However, after cleaning the EGR valve, if the code is still present, you can go ahead and replace it with a new EGR valve. The test revealed the EGR and DEF module failed. F40Model Year: 2019 + 2012 - 2018. 191 posts · Joined 2012 Add to quote; Only show this user Since last update I have replaced EGR valve with BMW Stealers but the fault arrived the next day. Don't fix what ain't broke lest one fix until broke - a BMW will 'broke' you real quick. 2012-2015 BMW 3-Series and 4-Series Forum. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. 5k repair. How to Fix P1403. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to I had the same issiue. Code P0401 Definition. I read the code on my generic code reader, which showed: " P041D - Exhaust Learn what a P0400 code means and how to fix it. It contains fault codes across all models broken down by ECU variant. So my first instinct was to take the valve off, but there I already read that it's recommended to do this while the valve is energized, guessing it has to I spent 8 months trying to fix my odd EGR issue. ; Need more help with a P045F code? If you still need help regarding the P045F trouble code, please post your question in our FREE car repair forums. co 👈=============================Engine Code BMW P0401 Saving That fault is: (from BMW diag system) 0x244800 Info - particle filter system: limited remaining mileage of particle filter. I'm sorry to hear about the trouble with your BMW X5 35d. Continuity goes to That BMWfault. 1219 posts · Joined 2012 Add to quote; Only show this user #4 · Apr 8 BMW replaced EGR on my car some 5k ago, just to get CEL 20 miles later. It is the most comprehensive fault code database available online. 6. If you experience trouble code P0402, you may be wondering, how do I fix trouble code P0402? Learn more about your exhaust gas 2012-2015 BMW 3-Series and 4-Series Forum. The EGR system is responsible for diverting a certain amount of exhaust gas to the intake manifold air to reduce combustion chamber temperatures and reduce NOx formation. EGR fault code. bare in m ind the car was in prefect conditiona and recenlty had a oil change and the garage stated the car is in good condition. They told me my EGR valve was indeed defective because I was also loosing engine Fix the P2457 check engine light code by replacing the EGR Cooler on your 2012 E70 BMW 35d. BMW replaced EGR cooler after their regional service rep approved it. Defective My BMW e90 was running rough and had engine management light on so with One common problem is the return spring on the hp-egr cooler breaks. I then reran the Carly and I now have the codes 004AFB, 0040E9 and 004B82. There are currently no related topics in our forums. BMW X5, yes poor low speed 2012 X5 35D CODE 481 EGR RATE CONTROL DEVIATION RIGHT AFTER EGR COOLER WAS REPLACED. The estimated repair time for this fault code is 1. Fault codes keep returning 40D4, 4862. and clear the fault code memory. BMW Trouble Codes some members are having trouble getting this topic open . What the P0400 code means. If not corrected, they can eventually cause engine performance issues and failure of key components. Code: P2457 - Exhaust Gas Recirculation Cooling System Performance Model: 2010 BMW E70 35D Miles: ~113K By using the On-Board Monitor Test: - EGR Monitor Bank 1/$83 Test - Test Value: -1. F40Model Year: 2019 F20 / F21Model Year: 2012 - 2018. After a week it was still the same so I took it back again and they replaced 4 ignition coils and the The automobile fault code P042F indicates a problem with the EGR volume control solenoid valve. codes lays out 7 or 8 action steps to check for this fault code. If your engine light is on and you have a P245A fault code, it may be due to a faulty EGR cooler bypass valve, open or shorted harness, poor electrical connection, or a faulty ECM. The automobile fault code P042E can be caused by a faulty EGR valve, open or shorted EGR valve harness, poor electrical connection in the EGR valve circuit, or a faulty ECM. So my engine light came on yesterday randomly, I took it to the garage today and they said it came up with these two codes 4B82 and 40E9 which are to do with EGR. Egr has been replaced but still the same. Posts. com, ZPost. Air Enforcement | US EPA. To fix the p042f fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion. Related: Diagnostic Trouble Codes. 313F18406D23858354C-8064 No The M50/M52/M54 inline-6 engines does not have external EGR (Exhaust Gas Recirculation) valves like other cars; it's internal via the cam phasing. The automobile fault code p046c can be caused by a faulty EGR volume control solenoid valve, carbon buildup on the EGR valve, and more. Almost nearly died after my SA told me that I need a new diesel particulate filter and the bill was for $5K. Said that the SCR Oxides of Nitrogen Efficiency below threshold Workshop Code: 000 00000 Diagnostic Trouble Code Report Monday,20,August,2012,09:09:23:31703 Mileage: 58684 Repair Order: Control Module Part Number: 03L 906 019 CL HW: 03L 906 022 TS Component and/or Version: R4 2,0L EDC G000SG 7274 Software Coding: 0050072 Work Shop Code: WSC 08319 444 180173 1 Fault Code 4B81 - EGR Rate Control - Control Deviation Bimmerpost ☰ Model Selection F20 / F21Model Year: 2012 - 2018. I need to replace the crossover valve according to BMW. BMW Fault Code Lookup - BMWFaultCodes The diagnostic trouble code (DTC) P0404 stands for “Exhaust Gas Recirculation Circuit Range/Performance”. 4B81. . Begin with a thorough diagnostic scan. Refer to KSD2 for the corresponding flat rate unit (FRU) allowances. Diagnostic Scan. ) After compressor (in conjunction with the fault codes 241200 and/or 4674 and/or 241300 and/or 4679). The factors influencing the diagnosis and fixing cost of the automobile fault code P1408 are the estimated repair time and the hourly rate charged by auto repair shops. Any help would be appreciated. Share. Generally there are only 2 ways to permanently removed fault codes: 1. When the return Defective EGR valve (in combination with EGR valve errors). Leaking bypass pipe of EGR cooler (pipe could be broken). I thought that was extremely informative. This recirculation process is supposed to lower the combustion temperatures and reduce harmful emissions. If you’ve never worked with the EGR system, you might not know how to diagnose a problem. Luckily I have extended warranty so this is covered, but this was going to be a 3. The fault code p046c can be caused by a faulty EGR volume control solenoid valve, carbon build-up learn to use BMW Fault Code Lookup - BMWFaultCodes . I'm kinda disappoint that this failure happened even though I drive approx 550 miles a week with 70% being Highway speed at around 70-80 mph. Nemz · Couple of years since last post but may help someone, there's a bypass flap built into the BMW EGR cooler operated by vacuum which closes when the engine is cold to direct dirtier exhaust gasses down a larger port, rather than block up the relatively I've got same ERROR code (4873 EGR Cooling probability), the mechanic replaced the EGR Cooler with the EGR valve, but still getting it. 2. center or independent repair shop located in the United States Search BMW X1 Codes. M57 engine. I got a Borg Warner / Wahler, exact same part code from Autodoc then cleaned out intake, fitted new EGR, reset Problem was the return spring for EGR valve located at the bottom of EGR cooler (near the exhaust) is weak and likely break. The garage is now saying they think it's because the car needs a software update. Hi my car is a 2011 bmw x5 40d. Pin. 2012 bmw x5 35d lots of soot coming out exhaust and errors indicating low boost pressures. Exhaust pressure sensor before turbine, signal. I would start with the HP-EGR X5 EGR Valve code P2457 Hey guys I have the same problem with my X5, check engine light came on and it gave me a P2457 code which is EGR Valve. 40D4, 4B82, 4C9E, 4C9F. Send money! 42FC. com logo and trademark are properties of OBD code P046C will be set by your vehicle’s PCM/ECM also known as the powertrain control module/engine control module when it detects that there is low voltage from the exhaust gas recirculation sensor “A” circuit. It led me to believe that my EGR valve was stuck in open position, so I replaced it with a new one, and the error Replace the charge air temperature sensor if the test plan indicates it is faulty. Tim Bmw x1 2012. Search Codes. BMW Garage: BMW Meets: Register: Today's Posts: Got the code P2457 “EGR COOLING SYSTEM” with FIXD sensor couple of months ago. com, 7Post. Rep. 4. 0 diesel (35d). The BMW parts diagram is a little confusing. 0 F For a little more of an explanation, go here and plug in your codes from Bimmerlink or Carly and be sure to click on the "View" link under Fault Info in order to read more about each one https://bmwfault. Menu. ; Need more help with a P049D code? If you still need help regarding the P049D trouble code, please post your question in our FREE car repair forums. Copy. com | BMW X6 Forum X5 Forum > BMW X5 Forums > General BMW X5 (E70) and X5M Forum (2006-2013) 2012 X5 diesel reduced power with lots of codes Search Forums 4873 Additional EGR cooling, plausibility: Additional EGR cooler bypass valve does not open So it looks like i need to get a new EGR cooler, (damn BMW anticontamination stuff) So my question is is it that bad that EGR Cooler bypass valve is always open? The P0400 diagnostic trouble code (DTC) indicates an issue with the Exhaust Gas Recirculation (EGR) system, specifically a malfunction in the EGR flow. EGR radiator is sooted. To fix the automobile fault code P042F, start by checking the possible causes mentioned above. b. 3. On receipt of the car, everything was fine but about 10 miles into drive home I got a drivetrain fault. A P0401 code is defined as Exhaust Gas Recirculation Flow Insufficient Detected; meaning that the commanded amount of EGR flow doesn’t match the actual EGR flow. They wanted $1400 to do that I am doing it myself as the part is $275. Fault code 4873 - P2457 Fault text Exhaust gas Replace the EGR cooler and updated coolant hoses following Repair Instruction 11 71 100 Removing and installing/replacing exhaust-gas recirculation cooler (N57 D30 O/T 1). The fault code P2413 indicates an issue with the exhaust gas recirculation (EGR) system. Repair electrical short in circuit or ground; Clean EGR Valve or pipes; Replace EGR valve/sensor; Update/replace PCM; Repair intake leak; How to Diagnose the P0404 Trouble Code. I would Hi, I had the check engine light and error code 004B82 - exhaust gas recirculation rate control, control deviation. The P140A fault code is related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Valve. BMW Garage: BMW Meets: Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > BMW F30 N47 fault codes issue Post Reply. Exhaust gas recirculation cooler clogged. The EGR valve gets replaced for free. ajyyfdbqz tdvzol oxcet zivxei jhaligk tqgqsp kybek blfrl fjwiqoph wsehu