Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. - 28EC00 Exhaust gas pressure sensor upstream of exhaust turbocharger, ambient pressure sensor, signals; implausible - 244800 Info - Particulate filter system: Limited remaining distance of particulate filter available (This one seems irrelevant of the problem) Does this have to do with the MAF sensor? Dear customer, both error codes are generic BMW error codes that speak of problems at the level of the turbocharger pressure, this may be due to inconveniences at the level of the turbocharger sensors such as damage to the turbocharger itself, it is also very frequent that this type of error code is what we see when we have vacuum leaks in the. B. 12 Download Free + How to Install; Newest BMW E-sys 3. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. , or the signal does NOT suggest. When the TCM detects a malfunction with the control, a signal is sent to the Engine Control Module ( ECM) to trigger the Engine Light or Service Engine Soon light. Automotive OEMs and suppliers have agreed to rely on Unified Diagnostic Services (UDS) as a standard protocol to ensure International compatibility. OBD2 Diagnostics. Deleting the software is a permanent fix – remember that replacing the EGR valve with a new one does not guarantee it will not fail like its. Diagnostic trouble codes (DTCs) BMW code P-code Fault type and function Signal type and range Explanation 1 Ignition coil cyl. Replaced it, but same code still comes up. Join Date: Oct 2016. ” Fuel trim is the adjustment made by the PCM to the engine’s air-fuel mixture. 5L - 70 (95) DTC: 279800,Active cooling roll, diagnosis acknowledgment: open appropriation for quick identification. Clean mass air flow sensor. Here are the simple steps to follow: Step 1: Odometer Reset. 7798. It went away for a month. I have problems with my BMW F34 318d N47 engine. 255B00 - EGR actuator high pressure, position control; positive deviation. Top off the system if it is low. DTC P1453 Secondary Air Injection Pump Relay Control Circuit Electrical (SIG) DTC P14C0 Fan Mechanical or Hardware Defect (PLAUS) DTC P14C1 Radiator Shutter Mechanical or Hardware Defect (PLAUS) DTC P14C2 DISA (Differentiated Intake Manifold) Actuator 1 Mechanical or Hardware. SCHEDULE P0022. also showing in the diagnostics was faulty front offside abs sensor- replaced that for £20- this fault code disappeared but main 3 lights still on with 5DF5 fault. 118401 Mixture control: Mixture too learn, large deviation. If it is contaminated, the thermostat could stick. To diagnose the U0284 code, it typically requires 1. P0440: Evaporative Emission Control System Malfunction. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. P0700 definition: Transmission Control System Malfunction. Code P0140 indicates that there’s problem with the post-catalytic monitoring oxygen sensor. Common causes of code P0733 include low transmission fluid levels, dirty transmission fluid, or malfunctioning shift solenoids. Recently the EML has come on and after checking it with both ISTA and Bimmer Link diagnostics i get the following 2 codes: 24CF00 and 290B00 which are linked to air mass. Here are some of the most possible causes. BMW $7,000 plus. M3. – BMW EDC17CP02 solution has. The UDS protocol (ISO 14229) is standardized across both manufacturers and standards (such as CAN, KWP 2000, Ethernet, LIN). (Or maybe used your own OBD scanner to extract the car faults). Found behind the catalytic converter, this sensor measures the oxygen levels in the exhaust after the converter breaks down the unburned fuel. 50] Yes, the oil temp sensor near the oil filter housing is the one that's faulty. Of course my front tire was changed but i. Depending on the friction loss calculated in each program cycle, a corresponding value is added to a factor as long as the torque converter clutch is in slipping mode. rules. #1 · Oct 30, 2015. Here are some common repairs related to the P0339 trouble code. BMW 2800 CS (1968 to 1971) The BMW 2800 CS was the first variant of the BMW New Six Coupe (E9) to be introduced. Hi guys, I have a 2014 435iX F32 and I got a Drivetrain Malfunction for the code: 11A002 (Fuel Pressure Below Target) and 11AC02 (high-pressure fuel system, cold start: pressure too low) Mods: Aftermarket Chargepipe. P0041 is a diagnostic trouble code (DTC) for "O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2". Defective valve body. Fitted new chain, guide and tensioner using AST timing tool. E72B No message (solar sensor, 0x3D3), receiver integrated automatic heating/air conditioning system, transmitter roof function center. ” This is NOT a notice of a RecallOverview of the 2A87 BMW Code. Labor: 1. P0073 is a diagnostic trouble code (DTC) for "Ambient Air Temperature Sensor Circuit High input". This makes it easier for drivers to control drift and make tighter turns whenever necessary. 99 . RAC DIAGNOSTIC SYSTEM. You should also have a service plan in the fault list. If you find a P0420 code in your Subaru or Honda, it’s most likely the catalytic converter to blame. I have P0472 (Exhaust Gas Pressure Sensor - low input) coming up on the DTC and after a while P0471 (Exhaust Pressure Sensor Range) appears as well. Code P0720 may appear on some Ford vehicles. Bmw F10 535 xDrive N57 Partikül Filtresi 18308511143 18308512692 dtc 28ec00. It was cool but not cold. P0505 Jeep Idle Control System Malfunction. The PCM detects that the actual MAF sensor frequency signal is not within a predetermined expected range of the calculated MAF value, and in this case it's determined that the air flow is too high. If it needs to be corrected more than that, the P0171 code will be stored. 160001 - misfires, cylinders 6: injection is switched off. Dynamic Traction Control (DTC) When you press DTC button once and you get DTC light on means you have turned OFF the dynamic traction control but it will keep DSC running. C0530 Insufficient Pressure regulation. This diagnostic protocol is defined in ISO-14229 standard, This protocol is based on the Open System Interconnect (OSI) model, and it uses the fifth (Session layer) and seventh (Application. Exhaust gas recirculation cooler clogged. car is a 2004 330d m57n. Check the coolant level. The HO2S2 (heated oxygen sensor 2) sensor calculates the air to fuel ratio of the vehicle’s exhaust. Hi, I have a 2002 BMW E39 530i which has a misfire Fault code- "F0 MISFIRE, CYLINDER 3" during cold starts and once the. On earlier models its extremly easy to change. Replaced the corrugated hose that had a small slit in from the air intake. Your car or truck has either a P0171, P0174 lean fault code or both stored in. It depends how many short journeys you do compared to how hot the engine/exhaust can get to burn stuff off. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. The two FC you list: 2D06 & 2D0F, both have some relation to the SIGNAL from the MAF as received by the DME. Drives: '15 328iX GT. In a previous car I had a fault code on a lambda sensor generated from a lose wire so that could also be the problem. I'm new here just got a 1. Exemplary craftsmanship with great attention to detail. 3. Your OBD system detects faults in your car and displays a trouble code that tells you and your mechanic what needs service in order to get your vehicle back on the road. Engine codes: 2A99, 2ACB, 2ACCVIN: W8220;BMW NA8217;s diesel particulate sensor to: 10 years/120,000 miles as determined by the vehicle***8217;s original in-service date Just found the info, I'll proceed to contact my dealer and will report back on progress. Hex Codes are typically given by more advanced scanners. It keeps coming back so I guess the glow plug module is broken and need to replace it. 3/10 P0456. This new series of coupes were powered by a dual carbureted 2. How to test for Valvetronic - Actuator Control Phase V fault code 135B11& FLexRay Message fault code CD9437#bmw #checkenginelight #faultcode #scannerUnified Diagnostic Services (UDS) is a communication protocol used in automotive Electronic Control Units (ECUs) to enable diagnostics, firmware updates, routine testing and more. 290900: AIR SYSTEM, AIR TO EGR MASS FLOW PLAUSIBILITY: MEASURED AIR MASS IN. The Engine Control Module measures the amount of oxygen in the exhaust system via the oxygen sensors and makes adjustments by adding more or less fuel to the mixture. As a safety mechanism, its main function is to control the stability and traction of a vehicle, giving way to sports-style driving dynamics. Dynamic Traction Control (DTC) is part of the Dynamic Stability Control system. P-Codes will start with a P and are usually generated by generic scanners. Vehicle Programming and Coding 7 posts · Joined 2022. Refer to KSD2 for the corresponding flat rate unit (FRU) allowance. Charvey30 said: I've got a 57 plate Mini Cooper 1. 2E0F which is - valvetronic system : deactivated adjustment. New York and I think it's an N20 engine. it came up with the following codes in the engine section Fault code: 284E00 Lambda probe according kat, nernst voltage signal: interruption Fault code: 283400 Lambda probe according kat, controlling heating: interruption 2015 x3 f25 2. BMW: $164. Diagnostic Trouble Code (DTC) P0170 stands for “Fuel Trim Malfunction (Bank 1). The 2800 CS debuted in 1968 and replaced the BMW New Class Coupes. When a turbo or supercharger is operating normally, the air going to the motor is pressurized. C0B81 EGR Rate Control - Control Deviation. 2. 15555 posts · Joined 2017. BMW built the 2800 CS until 1971, when they replaced it with. 99: $50. These components capture, store and recycle fuel vapors from the fuel tank and fuel delivery system. This number denotes the particular vehicle system that has a fault. 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. BMW Fault Code Lookup. The heater in the oxygen sensor helps get the sensor up to operating temperature faster in order to improve fuel economy and emissions. Have you seen this TSB (SI B01 14 18) from BMW where the same DTC appears in the Ecu - as you experienced in your BMW. The IAT sensor is a thermistor with various readings based on air temperature. 5. limp mode). 1 included VANOS control, and is used on M50 engines with VANOS, introduced to the E34 and E36 in 1992. P1250 GMC Early Fuel Evaporation Heater Circuit. Air Mass Flow Sensor Fault (MAF) Code 1221. : mode 22 as defined by SAE J2190 for Ford/GM, mode 21 for Toyota) for other information (e. ”. 2. Exhaust Pressure Sensor Pipe was totally blocked with carbon so removed it (thanks to a guide on here) and cleaned with carb cleaner: the car is a 2015 F20 bmw 118d. But I have a question about the module, I read some where that it maybe needs to get flashed. P0505 Lincoln Idle Control System Malfunction. 83] 2015 BMW M3 [6. System Too Lean at Idle DTC. 1,170 cc air/oil-cooled 2-cylinder boxer engines. BMW Ista-D Ista-P Windows 7/8/10 Download + How to install; PSA Diagbox 9. ️If you find this video he. Çok çeşitli sorunlar, bazıları diğerlerinden daha ciddi olan bir kontrol motoru ışığının yanmasına neden olur . So I'm still getting those code P0401 - air mass too high. Table a. P0171 – System Too Lean (Bank 1) Code P0171 indicates the engines computer (commonly known as the DME) thinks the engine is running too lean on bank 1. Deleting the software is a lot cheaper, and; 2. iTrader: Same case with my car. It indicates a signal coming from the Intake Air Temperature (IAT) sensor that is higher than the manufacturer’s specifications. Don’t work on the vehicle while the motor is warm. The answer is Dynamic Traction Control. SCHEDULE P2A00 DIAGNOSTIC. X5 35i with 101K mileage, just got car and have no service history. So your car’s CEL (always check Engine Light) is on and also you had the codes scanned at a local parts shop. As the engine oil heated up, the idle quality got noticeably better. I had an engine check light come on and when scanned get the following codes. 25D400. P0022 is a diagnostic trouble code (DTC) for "Camshaft Position A - Timing Over-Retarded (Bank 2)". Diagnostic trouble code (DTC) P0133 stands for “Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 2). Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154. Code P20EE refers to the selective catalytic reduction catalyst (SCR) on a diesel engine. As for the ECM, here’s step-by-step guide on how to properly replace it: Step 1: Disconnect the battery from the car at least 15 minutes before installation. This is a good opportunity to briefly describe what the DSC does and what its other parts are. . The E90/E92 BMW M3 was the first M car to get the seven-speed dual-clutch auto. The P0001 code is related to the electrical circuit combined with the fuel pressure regulator, which runs from the Engine Computer or ECM to the fuel pressure regulator at the fuel injection rail. Basically this P00BD diagnostic trouble code (DTC) means that there is a problem with the Mass or Volume Air Flow (MAF) "A" sensor circuit. It's related to the egr system, but thats been replaced in 2019 and recently leak tested. You let your car run at the gas station without the fuel cap on. com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. These have reappeared after each attempt to fix. 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. Run the service plan & follow the path of the test. Facebook gives people the power to share and makes the world more open and connected. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. INSTRUMENT PANEL (KOMBI) 60- CAN Bus, Bus Offline. DME: 2EF7/not present - DME Map thermostat activation. P0303 is a diagnostic trouble code (DTC) for "Cylinder 3 Misfire Detected". P0505 Lexus Idle Air Control System 📷. The ECU also flags 25E400, 2AB700 and 28EC00. I have been having issue with BMW X3 2005 3. Code 1211. COMPARISON TO CALCULATED AIR MASS TOO HIGH. 5. I have problems with my BMW F34 318d N47 engine. The ECM is responsible for tracking the function of the oxygen sensor and its heated circuit. 290900 - Air system, Air to Egr mass flow, plausibility : measured air mass compared with calculated air mass too high. 290900 - Air system, Air to Egr mass flow, plausibility : measured air mass compared with calculated air mass too high. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for. Charge-air temperature sensor faulty (displays values that are too high, mostly without fault entry). It helps reduce the NOx levels by routing inert exhaust gasses. 0 3. It can also be caused by an exhaust leak or a bad oxygen sensor. Example: P1055. Using The Odometer. The following codes were displayed after I read them: 140010 - misfires, more cylinders: recognized. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. It is common for most auto repair shops to charge between $75 and $150 per hour. 7 posts · Joined 2018. Faulty gas cap. BMW Fault Code Lookup. P0505 KIA Idle Air Control System. I have 2 codes stored in the computer: 1. The diagnostic trouble code (DTC) P2457 indicates “Exhaust Gas Recirculation Cooling System Performance. Let’s check out the other method that doesn’t involve an engine code reader or DTC scanner. Very rough idle--Code 28A0 Throttle valve opening angle-intake pipe absolute pressure, comparision pressure too high. iTrader: ( 1) 2BB300 Particulate Sensor Code. Faulty Transmission range sensor. – BMW EDC17C06 solution improved with new DTC removing – BMW EDC17CP02 added – BMW EDC17CP02 and EDC17C06 supported now, DTC’s has been added – BMW EDC17CP02 EDC17CP06 solution problems are fixed. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. #1 · Aug 24, 2021. 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. 0 turbo engine. To diagnose the P059F code, it typically requires 1. It indicates a problem with the front oxygen sensor on Bank 1, specifically with the heated circuit of the oxygen sensor. Repair intake air leaks. Name: B37 C15 A - DDE 7. ”It’s highly likely that there’s an electrical problem causing the P0705 code to come on. Our professionals are here to help make sure you find the answers you need to. Press the odometer’s Trip and Reset buttons while turning the ignition. #2 · Sep 25, 2017. Appreciate 0 Quote 07-03-2023, 04:41 PM #10: Billfitz. P2096 is a diagnostic trouble code (DTC) for "Post Catalyst Fuel Trim System Too Lean Bank 1". Test drive the vehicle to ensure the vehicle is operating the correctly. BMW P 1381 Engine ECM Self Test - Bank 1 Knock Control Malfunction. P0420 is a diagnostic trouble code (DTC) for "Catalyst System Efficiency Below Threshold (Bank 1)". 6. 99 Opel Diagnostic Tool; Toyota TIS Techstream 15. The DTC allows you to home in on the system that is not functioning properly. Example: 180101 or 1B9308 or 30FF. g. 5 for over two seconds. For the eligible vehicles, BMW of North America, LLC (“BMW NA”) is extending the limited warranty for the engine’s Exhaust-Gas Recirculation (EGR) Valve to: 10 years/120,000 miles as determined by the vehicle’s original in-service date SI B01 14 18 Warranties September 2018 Technical Service F10 (535d Sedan) (N57T Engine) Model 28CE00 Glow Control LIN Data Bus Missing. Let the engine cool down. BMW DTC hex 8020C7 is a failure - open or short - in the compressor clutch control circuit with many more parts than merely the clutch. It adjusts the timing of the intake and exhaust valves based. Their test revealed DTCs 135A08 and 135808. 4 – Auxiliary emission controls. . This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Fuel pump had it replaced 2 times 1 buy independent and the second buy dealer. P0505 Land Rover Idle Control System Malfunction. I recently moved from the 3-series to a 2013 X3 35i with 103K km on it. MCU (Computer) Malfunction. They are logged together since, in V8 and V6 (and. Step 4: Remove the. Misadjusted shift linkage. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Check setting of linkage with system test. Exhaust gas pressure sensor before turbine faulty (in conjunction with the fault codes 27B900 and/or 4C83 and/or 28DE00 and/or 4990). Check for vacuum leaks or other fuel mixture-related engine codes. The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. Look at SVCI ING:. It looks like all of the fault codes are related to the exhaust system and lambda (O2) sensor. BMW Trouble Codes some members are having trouble getting this topic open . This is what I found when I pulled the cam cove. 28DE00: EXHAUST GAS PRESSURE SENSOR BEFORE TURBINE, PLAUSIBILITY: EXHAUST. P2097 is a diagnostic trouble code (DTC) for "Post Catalyst Fuel Trim System Too Rich Bank 1". But the codes that were found were, in order: 1E0001: Idle speed control: Engine speed too high. Note the. Removed the sensor to find corroded badness on the pickup. Hi guys, I’ve a 2015 BMW 218d. If the filter is clogged, the system will not be able to achieve the proper pressure and a DTC will ensue. com is not in any way affiliated with Bayerische Motoren Werke AG. $0A. DCT라는 약칭이 많이 쓰인다. 282E00 Lambda probe after catalyst triggering heating short circuit to positive. BMW: $164. Bad TCM or ECM. What does the P0001 Code Denote? P0001 = Fuel volume regulator control circuit open. Taken off BMW 328i 2013 luxury line. Made a ton of progress recently chasing DPF issues. 20d 2011 model. With so many moving parts, there are countless fault codes that tell you what needs attention on your BMW. Location: Iowa. BMW Fault Code: P1014, P1017,P1023,P1030, P10DF, P10E0, P10E7, P10E8 This is a list of all the codes that showed up: P115D Mass or Volume Air Flow 'A' Too High. Fault Codes should NOT be viewed as identifying WHAT COMPONENT to Remove & Replace. 118401: Mixture control: Mixture too lean, deviation too high. 1. 67- CAN: Timeout KOMBI. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. It’s how the engine can output more power for its size. Enter a BMW fault code (P or hex), complete the Captcha, and click "Search". I get this fault code. If so the accelerator pedal and sensors are covered for 15 years/150000 miles. It is one of BMW’s in-built safety features working as a subset of the wider system – the DSC (Dynamic Stability Control). 2 – Fuel and air metering (injector circuit) 3 – Ignition systems or misfires. P0505 Mazda Idle Control System Malfunction. 0: Tomorrow at 9 AM *Estimates may vary by market. 6 N12 PSA EP6. #1 · May 15, 2022. This is what has all ready been done. Code 1215. 1. - Check linkage (stiff movement, damage and wear). There stand out by the starter portion which is positioned right at the top. Always connect a BMW approved battery charger/power supply(SI B04 23 10). Wednesday 23rd March 2011. Bmw f30 520D had engine malfunction light on ,codes present not down. Diagnosis: It is important to complete the entire diagnostic process when. The codes shown under Digital Engine Electronics are: 102001 Air mass, plausibility: air mass too high. Now you’re allowing wheel spin only if you’re driving forward but in case of any side slipping the car will not allow the spin to happen and that, of course, to prevent. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0700 code. P3F25 Charge air tube, monitoring at idl. Hi, I have a BMW 750LiA E65 E66. Oxygen Sensor Control. E723 No message (condensation sensor, 0x2D1), receiver integrated automatic heating/air conditioning system, transmitter roof function. The P0171 code indicates that the oxygen (O2) sensor on bank 1 sent a signal to the engine control module that the air-fuel mixture is too lean to be corrected. Few days ago i drove (with a speed 20 miles) to the holl on way on the right side front and back. i did a Carly health check as a i recently bought the car . Right after an oil change, I got 2 warnings: Low oil pressure and drivetrain malfunction with engine power reduced. On inline-6 BMW engines, bank 1 refers to cylinders 1-3. SVCI ING is designed to be far more better than Nissan Consult 3 plus in: hardware, software compatibility, programming speed / stability, supported car year, update etc. SCHEDULE P0041 DIAGNOSTIC. As professional mechanics, these are the steps we would take to diagnose the P0128 DTC. GAS PRESSURE BEFORE TURBINE DYNAMICALLY NOT PLAUSIBLE. Initially brought up 2845 vanos exhaust activation movement and 283D vanos exhaust apdation stop. 160010 - misfires, cylinders 6: recognized. La Haine wrote: ». I’m trying to figure out which sensor this is and if it’s covered under a 10 year. 0i. 1, M1. 1. 3 The BMW DME M1. 0 hour of labor. View about #28ec00 on Facebook. This vent valve is also known as the purge valve. The warranty booklet that came with the manual lists either 7 yr 70k or 8 yr 80k depending on the model. I was told the warranty is 7 years and that it expired in November 2019. 2AB600. Code 1223. Last year was replaced the egr valve, egr cooler, dpf was cleaned, lambda sensor changed, intake manifold flaps changed and cleaned. . Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks. 1 and M1. 8L straight six engine that produced 168hp. BMW split the M50 24v engines and used Siemens for some of the 2. Dealer warrantied the part because i bought it from them. Then it came back on and I took it to a friend that works at a bmw dealership as a mechanic. Pay attention to the condition of the coolant. BimmerLink reveals the following codes: 255C00 - EGR actuator high pressure, position control; negative deviation. Sent from my SM-G973F using Tapatalk Drives: BMW F30 320d 2013. I know your BMW Model X4 is not covered in this TSB, but I think it's very close. Repair Urgency: Fix this code immediately (same day if possible) to avoid internal transmission damage. 3. Clear the fault memory. P1250 KIA Pressure Regulator Control Solenoid Valve Open or Short. 5 posts · Joined 2010. Professional-level functionality for reading and clearing OBD2 powertrain emission-related fault codes; viewing freeze frame and I/M data; monitoring, graphing, recording and playback of live data, vehicle information and performs emission readiness testing. It is also possible that you did not turn off your car engine the last time you refueled the car. The 2A87 code typically indicates an issue with the VANOS system in BMW engines. P0304 is a diagnostic trouble code (DTC) for "Cylinder 4 Misfire Detected". 00. C0862 Crankshaft Position Sensor A Circuit Malfunction. So I have edited your post & I am leaving a link to PDF files here your those needing the codes . 1 Free Download; Newest BMW Rheingold ISTA-D 4. Learn More Fixes. Charge pressure sensor faulty. The P0193 code indicates that the engine control unit gets a too high signal from the fuel rail pressure sensor. 33. Fools rush in where angels fear to tread! I am responsible for what I write, not for your understanding of it. It makes noises like it wants to but nothing . Check for any exhaust leaks before the catalytic converter. found consistently low engine temps, replaced the thermostat and started getting regular regen cycles. A forum community dedicated to BMW owners and enthusiasts. As a start i had reset all codes yesterday morning and by now, i got the below errors: CAS: D904/not present - CAS K-CAN line fault. 0L V8, for example, this DTC is described as, “OSS sensor signal input exceeds the calibrated threshold. I have been dealing with issues on my car for a few months. Lean refers to the air-fuel ratio (AFR) and means there is too much air and too little fuel in the system. 3. Enter a BMW fault code (P or hex), complete the Captcha, and click "Search". As for your engine light coming on, then going off, yes, this will happen. Rep.