1. The 30FF BMW code can cause a variety of issues that can affect the performance of a BMW vehicle. How is the BMW P0118 code diagnosed? The BMW P0118 code is diagnosed using an OBD-II scanner that retrieves the code and any related freeze frame data. 0-liter petrol engine may have timing chain issues. What are the symptoms of the BMW P1189 code? The symptoms of the BMW P1189 code may include poor fuel economy, rough idling, engine misfires, and a decrease in engine performance. Engine Light on the Information Display Will The symptoms of the BMW P0444 code may include a check engine light, rough idling, decreased fuel efficiency, and difficulty starting the engine. The main purpose of error codes like The symptoms of the BMW P0025 code may include a rough idle, poor acceleration, decreased fuel efficiency, and the illumination of the check engine light. When a BMW engine malfunctions, it can cause a variety of symptoms that can be concerning to the driver. Signs and Symptoms of BMW P0302 Code – Misfire Cylinder 2 When the BMW P0302 code appears, it indicates that there is a misfire in the second cylinder of the engine. How can I diagnose the BMW P0171 code? You can diagnose the BMW P0171 code by using an OBD-II scanner to read the code and then checking for any vacuum leaks, inspecting the oxygen sensor Apr 26, 2022 · If you own a BMW, there’s a chance that you might encounter the P0304 engine code. The symptoms of the BMW P1445 code may include a check engine light, decreased fuel efficiency, and difficulty starting the vehicle. Signs and Symptoms of BMW P1024 Code. This fault code pertains to the “Manifold Absolute Pressure To Throttle Angle Too High Bank 1“. One of the most common diagnostic trouble codes (DTC) that BMW drivers may encounter is the P0304 code, which indicates a misfire in the fourth cylinder of the engine. Read on for the list of repairs that your BMW may need: Car Stalling. What are the symptoms of a P0123 code in a BMW? The symptoms of a P0123 code in a BMW may include a lack of power or acceleration, rough idling, stalling, or even the engine not starting at all. How is the BMW P0113 code diagnosed? The BMW P0113 code can be diagnosed using an OBD-II scanner, which will read the code and provide information on the specific circuit that is causing the issue. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Bringing the BMW community together. The symptoms of the BMW P0153 code may include poor fuel economy, rough idling, engine misfires, and a decrease in engine performance. The BMW P17E8 code refers to Ratio Monitoring Shift 3-4. Here are some of the signs and symptoms of the BMW P2096 code: The symptoms of a BMW P0108 code may include poor acceleration, rough idling, stalling, and decreased fuel efficiency. How is the BMW P0365 code diagnosed? The BMW P0365 code can be diagnosed using an OBD-II scanner, which will read the code and provide information on the specific issue. In this article, we will explore the meaning, causes, symptoms, and fixes for the BMW P13C9 code. How is the BMW P2127 code diagnosed? The BMW P2127 code is diagnosed using an OBD-II scanner, which reads the code and provides information on the specific sensor or circuit that is causing the issue. How is the BMW P0444 code diagnosed? The BMW P0444 code can be diagnosed using an OBD-II scanner, which will read the code and provide information about the specific problem. Oftentimes, the code pops up if you have just replaced your camshafts or upgraded to aftermarket cams. The symptoms of the BMW P0480 code may include an overheating engine, reduced engine performance, and the illumination of the check engine light. Dec 28, 2023 · Also, scan the DME module for fault codes to determine if the IBS sensor on BMW is defective. How is the BMW P0492 code diagnosed? The BMW P0492 code is diagnosed using an OBD-II scanner, which reads the code and provides information about the specific problem. The symptoms of this code may also apply to other ‘P’ as in powertrain-related trouble codes such as P0300 BMW, and intake camshaft position timing P0012 BMW code. What Does the BMW P0303 Code Mean? The BMW P0303 code is a diagnostic trouble code that indicates a misfire in cylinder 3 of the engine. Feb 24, 2023 · Mineral Grey 2020 F36 420i Gran Coupe M Sport xDrive: February 2024 - Present Sapphire Black 2017 G01 X3 xDrive20d M Sport: July 2023 - Present Snapper Rocks Blue 2018 F32 420d M Sport xDrive: August 2022 - Present Jul 20, 2019 · Single VANOS Engine Fault Codes. Yes, OBD-II scanners and BMW-specific diagnostic tools can read fault codes stored in the ECU. You may have to register before you can post: click the register link above to proceed. What are the possible causes of the BMW P10F2 code? The possible causes of the BMW P10F2 code may include a faulty turbocharger, a clogged air filter, a damaged intercooler, a vacuum leak, or a malfunctioning boost This code is specific to BMW vehicles and can cause a range of symptoms that can affect the performance and drivability of the vehicle. What are the symptoms of the BMW P0326 code? The symptoms of the BMW P0326 code may include engine knocking or pinging, reduced engine performance, and illuminated check engine The symptoms of the BMW P2271 code may include decreased fuel efficiency, rough idling, and a decrease in engine performance. 100600: Flexray protocol startup time is too high. Preventing BMW P2187 Code. The symptoms of a BMW P0172 code can include a rough idle, decreased fuel efficiency, and a decrease in engine performance. Plug your diagnostic scanner into the port. The symptoms of the BMW P0492 code may include a check engine light, reduced engine performance, rough idling, and increased emissions. What causes a P0070 code in a BMW? A P0070 code in a BMW may be caused by a faulty ambient air temperature sensor, damaged wiring or connectors, or a malfunctioning engine control module (ECM). This bulletin is a testament to BMW's commitment to ensuring customer satisfaction and vehicle reliability. a Mar 23, 2023 · Symptoms:engine won't crank, light may or may not go on; Ways to solve:check the battery, check the key fob, find a good mechanic . Feb 21, 2024 · Always clear the fault codes when you replace the SZL module on a BMW. This means that the engine control module (ECM) is detecting a timing issue between the two sensors, which can cause a variety of problems with the engine’s It is important to diagnose and repair the issue as soon as possible to ensure the proper functioning of your BMW vehicle. Learn about other similar BMW Fault Codes from our BMW OBD 2 Fault Code List. The common causes of the BMW P2197 code include a faulty O2 sensor, vacuum leaks, fuel pressure issues, exhaust leaks, and a malfunctioning mass airflow sensor. The symptoms of the BMW P0369 code may include rough idling, poor acceleration, decreased fuel efficiency, and the illumination of the check engine light. It is essential to understand the meaning, causes, symptoms, and fixes for this code to diagnose and repair the problem effectively. Vehicle stalling, an internal fault, is a common 335i DME failure found by some drivers. The check engine light may also be illuminated. This system is responsible for controlling the release of fuel vapors into the atmosphere. you check and record the fuel pressure drop between cylinders. May 23, 2013 · I know there have been multiple posts about this topic but very little about what actually constitutes failure symptoms. The vehicle may feel sluggish and The symptoms of the BMW P054B code may include rough idling, reduced engine power, decreased fuel efficiency, and an illuminated check engine light. However, it is recommended to have the issue diagnosed and fixed by a professional mechanic to ensure proper repair and avoid further damage. These tools provide valuable insights into potential problems, but more complex issues may require professional diagnostic equipment and expertise. Signs and Symptoms of BMW P0741 Code. What are the common causes of the BMW P054B code? The common causes of the BMW P054B code may include a faulty camshaft position sensor, a malfunctioning variable valve timing (VVT) solenoid, a The symptoms of the BMW P14A3 code may include reduced engine performance, decreased fuel efficiency, and an illuminated check engine light. You may also notice a strong smell of gasoline coming from your vehicle. What are the potential causes of the BMW P1189 code? The symptoms of the BMW P0015 code can include poor engine performance, rough idling, stalling, and decreased fuel efficiency. What are the symptoms of the BMW P17E8 code? The symptoms of the BMW P17E8 code may include a lack of power, hesitation or jerking when shifting gears, and the check engine light may come on. As a car owner, it can be frustrating to see a warning light pop up on your dashboard. What are the possible causes of the BMW P0153 code? The possible causes of the BMW P0153 code may include a faulty O2 sensor, a damaged or corroded wiring harness, a malfunctioning PCM, or a vacuum leak. What are the symptoms of a BMW P1500 code? The symptoms of a BMW P1500 code may include rough idling, stalling, and poor acceleration. What are the symptoms of the BMW P112E code? The symptoms of the BMW P112E code may include reduced engine power, poor acceleration, rough idling, and stalling. This can cause a variety of symptoms that can affect the performance and drivability of the vehicle. What are the symptoms of the BMW P1412 Code? The symptoms of the BMW P1412 Code may include a check engine light, reduced engine power, and rough idling. Signs and Symptoms of BMW P15FE Code. The symptoms of the BMW P0171 code can include a rough idle, poor acceleration, decreased fuel efficiency, and the illumination of the check engine light. Date: VIN: 10 Central gateway module. Learn about other similar BMW Fault Codes from our BMW OBD 2 Fault You can reset BMW P0751 code by using an OBD-II scanner or disconnecting the battery for a few minutes. This code is specific to BMW vehicles and can cause a range of symptoms that can affect the performance and drivability of the vehicle. This light can indicate a variety of issues, but when it is accompanied by other symptoms, it is likely related to the transmission. Check the 'Possible Causes' listed above. Sep 2, 2016 · I believe the fault is thrown when the DME doesn't receive a message from it for a certain period of time, which pretty much means when you get the fault it can only be the sensor or the wiring. Understanding its symptoms, potential causes, and possible solutions Jan 18, 2020 · How to Fix. In conclusion, the BMW P0604 code is a self-check fault that can cause various issues in BMW vehicles. What are the symptoms of the BMW P0365 code? The symptoms of the BMW P0365 code can include poor engine performance, rough idling, stalling, and difficulty starting the vehicle. The BMW P13B4 code is a diagnostic trouble code that indicates a crankshaft inlet camshaft reference angle difference outside the limit value. The BMW P0016 code is a fault code that indicates a problem with the correlation between the crankshaft position sensor and the camshaft position sensor in Bank 1 Sensor ‘A’. You will need a BMW diagnostic scanner, such as the YOUCANIC Full System Scanner, that can read fault codes on every control module of your vehicle. The symptoms of a BMW P1188 code may include poor fuel economy, rough idling, hesitation or stalling, and a check engine light on the dashboard. 2. BMW P116E Code:Air Mass Flow Sensor Signal Electrical. The symptoms of the BMW P1006 code may include a rough idle, reduced engine power, poor acceleration, and an illuminated check engine light. The BMW P112E code indicates that there is a problem with the manifold absolute pressure (MAP) sensor to throttle angle correlation on bank 1 of the engine. In rare cases, it is possible that the fault codes or the symptoms you’re seeing in your 5 Series are not due to a bad MAF sensor, but because of broken electrical wires or a bad connector. Common Symptoms. This issue can cause a variety of symptoms, including reduced engine power, poor fuel economy, and rough idling. Fixing BMW P0335 code yourself may be possible if you have the necessary tools, skills, and knowledge. This means that the transmission is not shifting properly between the third and fourth gears. One of the most common issues that BMW drivers face is the P116E code, which indicates a problem with the air mass flow sensor signal electrical. BMW has released a replacement pump with a part number ending in -943. P0304 is a diagnostic trouble code or DTC. Can I still drive my BMW with the P1551 code? It is not recommended to drive your BMW with the P1551 code as it can cause further damage to your vehicle and potentially lead to more expensive repairs. Common symptoms of a P2401 code in a BMW include the check engine light turning on, decreased fuel efficiency, and difficulty starting the engine. In rare cases, it is possible that the fault codes or the symptoms you’re seeing in your 3 Series are not due to a bad MAF sensor, but because of broken electrical wires or a bad connector. What are the possible causes of a BMW P0172 code? Dec 23, 2021 · Bad O2 sensors a leading cause of premature catalytic converter failures. Also be aware that the replacement IBS (unless you find a NOS unit) needs an adapter to connect it to the CAN bus. What are the common causes of a P0123 code in a BMW? Sep 11, 2023 · Have the check engine light and P112f code popped up in your BMW? This almost always indicates a problem with the mass air flow (MAF) sensor. The BMW P0173 code is a fuel trim malfunction code that indicates an issue with the fuel system in bank 2 of the engine. Understanding the BMW immobilizer. BMW North America's issuance of Service Bulletin SI B01 20 16 speaks volumes about the company's acknowledgment of the FRM challenges. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! . P1519 (BMW 212 0xD4) This engine fault code means that the VANOS system does not have enough (or any) travel. I have an 03 E39 530i Sport 5 speed with 130K miles on it. Sep 10, 2023 · I bring over 15 years of experience repairing and maintaining BMWs, my passion since first working on cars as a teen. The BMW P0073 code refers to a fault in the ambient sensor circuit, indicating that the sensor is reading a high voltage signal. Nov 24, 2023 · With the increasing age of the E87 BMW 1 Series, some petrol versions are also starting to develop timing chain issues. What are the causes of the BMW P1412 Code? The symptoms of the BMW P2127 code may include reduced engine power, hesitation or stalling when accelerating, and an illuminated check engine light. What are the symptoms of the BMW P1017 code? The symptoms of the BMW P1017 code may include engine misfires, reduced power, and poor fuel economy. The O2 sensor in 3 Series monitors the level of oxygen in the exhaust gasses that exit the engine and reports the data to the control unit which continuously adjusts the air-to-fuel ratio in the engine. Mar 28, 2009 · A forum community dedicated to BMW owners and enthusiasts. Locate the OBD-II port under the dashboard, driver’s side. What are the symptoms of the P1619 code in BMW vehicles? Some common symptoms of the P1619 code in BMW vehicles include poor engine performance, reduced fuel efficiency, and an illuminated check engine light. How is the BMW P0480 code diagnosed? The BMW P0480 code is diagnosed using an OBD-II scanner, which retrieves the code and any associated freeze frame data. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. The check engine light may also be illuminated on the dashboard. The BMW P1189 code is a diagnostic trouble code that indicates a fuel control system issue in Bank 2 Sensor 1. The common causes of the BMW P00BC code include a faulty mass air flow sensor, a clogged air filter, a vacuum leak, or a problem with the fuel system. Graduating top of my BMW apprenticeship class gave me expert knowledge I now apply creating DIY tutorials and explaining recommended maintenance for owners. What Does the BMW P0456 Code Mean? The BMW P0456 code indicates that there is a small leak in the evaporative emission system of the vehicle. A car immobilizer is an electronic device fitted in cars to enhance your safety and convenience. Sep 28, 2023 · In Their Own Words: BMW's Official Stance on the FRM Conundrum. 002A59 002A5B From authorised service store I got the codes. The symptoms of the BMW P1551 code may include a rough idle, poor acceleration, decreased fuel efficiency, and an illuminated check engine light. Here are some of the most common symptoms that BMW drivers may experience when the 30FF fault code is triggered: Reduced Power: One of the most common symptoms of the 30FF code is reduced power. Preventing the BMW P12A9 Code. This means that the timing of the camshaft is not in sync with the crankshaft, which can cause a variety of issues with engine performance and efficiency. This means that the fuel and air mixture in cylinder 3 is not igniting properly, causing the engine to run rough and potentially damaging the catalytic converter. What causes the P2401 code in a BMW? The P2401 code in a BMW can be caused by a variety of issues, including a faulty leak detection pump, damaged wiring or connectors, or a malfunctioning control Symptoms: Complete loss of functionality, persistent warning lights, or the vehicle not starting. Diagnosis: Use diagnostic tools to check for any internal ECU faults. What are the possible causes of a BMW P1188 code? The possible causes of a BMW P1188 code include a faulty oxygen sensor, a vacuum leak, a clogged fuel filter, a malfunctioning fuel pump, or a problem The symptoms of the BMW P0118 code may include poor engine performance, decreased fuel efficiency, rough idling, and an illuminated check engine light. Scan for Error Codes. Previous owner installed a new clutch at 115K miles but kept original flywheel. The symptoms of a P0070 code in a BMW may include inaccurate temperature readings, poor fuel economy, and engine performance issues. The BMW P2096 code is a fault code that indicates a problem with the post-catalyst fuel trim system being too lean on bank 1. Here are some of the signs and symptoms of the BMW P1055 code: Check Engine Light – The most common symptom of the BMW P1055 code is the illumination of the check engine light on the dashboard. Here are some of the most common signs and symptoms of the BMW P1024 code: The symptoms of the BMW P10F2 code may include reduced engine power, poor acceleration, and a check engine light on the dashboard. The symptoms of the BMW P0113 code may include poor engine performance, reduced fuel efficiency, and an illuminated check engine light. This can cause a variety of symptoms that can affect the performance and drivability of your BMW. How is the BMW P2271 code diagnosed? The BMW P2271 code can be diagnosed using an OBD-II scanner, which will read the code and provide information on the specific issue causing the code to appear. Feb 24, 2023 · Bimmerlink has been consistently returning the following errors on my 2016 F45 225 Xe Active Tourer: Info Memory. In this section, we will discuss the most common symptoms of engine malfunction in BMW vehicles. (Submitted by anE934fun) What are the symptoms of a failing HPFP? The BMW P1017 code is a diagnostic trouble code (DTC) that indicates a problem with the Valvetronic Eccentric Shaft Sensor Plausibility in BMW vehicles. If you think your BMW may display the P1074 code after an OBD2 scan, then you should look out for other symptoms as well. Steps to Diagnose ECU Problems. The replacement pump may solve the problem. Sep 10, 2023 · Is your BMW throwing a transmission fault code or having shifting issues? Here are the most common BMW transmission problems, symptoms and fixes to get your car back on the road. They say that the problem maybe is from ecu itself and will have to replace, the cost for it is way too much. If you own a BMW vehicle, it is essential to take care of it to prevent any engine issues. What are the symptoms of a P0073 code in a BMW? The symptoms of a P0073 code in a BMW may include poor fuel economy, reduced engine performance, and an illuminated check engine light. Check Engine Light Signs and Symptoms of BMW P2096 Code. When the BMW P1024 code appears, it indicates that there is an issue with the valvetronic adjustment range. What causes a P0073 code in BMW P115D Code:Mass Or Volume Air Flow ‘A’ Air Mass Too High Compared To Model. The BMW P15FE code is an indication of an external engine off timer no signal. The BMW P0012 code refers to a fault in the camshaft position timing system of the engine. Read on as we explain the common symptoms, diagnose the root causes, and outline the best solutions so you can get your BMW running smoothly again. This code stands for “Random Cylinder Misfire Detected,” which can be caused by everything from low fuel to a faulty ignition coil. As a BMW owner, it can be frustrating to see a check engine light pop up on your dashboard. Is it safe to drive with the P1619 code in my BMW? While it may be possible to drive with the P1619 code in your BMW, it is not recommended. Apr 26, 2022 · If you’re driving a BMW and experience a check engine light, there’s a good chance that the code P0300 is popping up. How can I diagnose the BMW P0171 code? You can diagnose the BMW P0171 code by using an OBD-II scanner to read the code and then checking for any vacuum leaks, inspecting the oxygen sensor BMW P0304 Code : Misfire Cylinder 4. simply put, it's a 'little black box' the you hook to the injector to pulse the solenoid. It is recommended to get a diagnostic and estimate from a qualified mechanic. The BMW P0326 code can be caused by a faulty knock sensor, damaged wiring or connectors in the knock sensor circuit, or a problem with the engine control module (ECM). The BMW P12A9 code is related to the boost pressure sensor pressure being too high. 8 errors. Jun 9, 2022 · 2012-2019 (F30, F32, F33, F34, F36) Power Train issues. How is the BMW P0025 code diagnosed? The BMW P0025 code is diagnosed using an OBD-II scanner, which retrieves the code and any related freeze frame data. What are the symptoms of a BMW P02D1 code? The symptoms of a BMW P02D1 code may include rough idling, reduced engine performance, and decreased fuel efficiency. The BMW P1500 code indicates that the idle speed control valve is stuck open. Jun 14, 2013 · TIP: the left & right side of the car is determined by the position of the driver from behind the steering wheelthat way, regardless if you have a LHD or RHD vehicleusing the term left/right will always be easily identifiable versus using driver side/passenger sidewhich will be different based on if cars are LHD or RHDwhich can also be confounding when inquires are made on an The cost to fix the BMW P15DF code will vary depending on the specific issue causing the code and the cost of parts and labor in your area. Nov 13, 2022 · BMW 3 series ECU problems include some noticeable issues like misfires, car stalling, poor car performance, failed car start, bad fuel economy backfires, more emissions, and more. However, until there is actual field experience with the replacement part, there is no way to know if the -943 part is the definitive fix to the HPFP issue. If confirmed, replacement might be necessary. Here are some of the most common signs and symptoms of the BMW P0734 code: Check Engine Light: The most obvious sign of the P0734 code is the illumination of the check engine light on the dashboard. What are the symptoms of the BMW P00BC code? The symptoms of the BMW P00BC code may include reduced engine performance, poor fuel economy, rough idling, and stalling. Feb 1, 2010 · Not yet. 101008: Non-resolvable ambiguous routing - SG not in the SVT target table. In most cases, the code is triggered by incorrect camshaft timing. When it comes to diagnosing and resolving issues with BMW vehicles, one troublesome code that frequently arises is P112F. What are the symptoms of the BMW P13B4 code? The symptoms of the BMW P13B4 code may include engine misfires, rough idling, reduced power, and decreased fuel efficiency. An immobilizer will prevent your BMW engine from starting unless the right key or The symptoms of the BMW P14A3 code may include reduced engine performance, decreased fuel efficiency, and an illuminated check engine light. This code is usually accompanied by several symptoms that can help you identify the issue in your vehicle. 3. you need a fuel pressure guage and tool to check injectors. Especially the 116i, 118i, and 120i produced between 2007 and 2012 equipped with the N43 2. How is the BMW P0015 code diagnosed? The BMW P0015 code can be diagnosed using an OBD-II scanner to read the fault code and a visual inspection of the camshaft position sensor, VVT solenoid, timing chain, and tensioner. This means that the valve is not closing properly, which can cause issues with the engine’s idle speed. What are the symptoms of the BMW P2197 code? The symptoms of the BMW P2197 code may include poor fuel economy, rough idling, engine misfires, and a decrease in engine performance. Jan 27, 2018 · The errors before and now are the same. The BMW P1412 Code is a diagnostic trouble code that indicates a problem with the Secondary Air Injection System Max Flow Limit Check. Apr 26, 2022 · Symptoms. The steering angle sensor is integrated into the SZL unit. What are the symptoms of the BMW P0173 code? The symptoms of the BMW P0173 code may include rough idling, poor acceleration, decreased fuel efficiency, and the check engine light turning on. What are the possible causes of a BMW P0108 code? The possible causes of a BMW P0108 code may include a faulty sensor, damaged wiring or connectors, a vacuum leak, or a problem with the engine control module. One of the most common engine codes that BMW owners face is the P2187 code, which indicates a system too lean at idle bank 1. What are the symptoms of the BMW P10E2 code? The symptoms of the BMW P10E2 code may include a decrease in engine performance, reduced fuel efficiency, and the illumination of the check engine light on your dashboard. How can I diagnose the BMW P1006 code? To diagnose the BMW P1006 code, you will need a diagnostic scanner to read the code and identify the underlying issue. Aug 6, 2008 · a quick check you could do with minimal tools and time would be to do a flow balance test. The BMW P02D1 code indicates that there is an issue with the fuel injector offset learning for cylinder 3, and that it has reached its maximum limit. This code is related to the VANOS exhaust control fault camshaft stuck, which can cause a variety of symptoms and potential problems. Use a BMW-specific scanner to clear codes from the SZL module. P112F BMW Explained: Symptoms, Causes, and Solutions. How is the BMW P0369 code diagnosed? The BMW P0369 code can be diagnosed using an OBD-II scanner, which will read the code and provide information on the specific issue. However, it is important to note that resetting the code will not fix the underlying issue and it may come back if the issue is not resolved. Visually inspect the related wiring harness and connectors. $2 of parts consisting of 2 This means that there is an issue with the electrical circuit that supplies power to the Valvetronic sensors in your BMW. a drop in fuel pressure is good, as this indicates the fuel is going through the injector. As a car owner, it’s important to be aware of any diagnostic trouble codes (DTCs) that may appear on your BMW’s dashboard. Specifically, it indicates that the “A” camshaft position is over-retarded on bank 1. Can I still drive my BMW with the P1445 code? It is not recommended to drive your BMW with the P1445 code as it can cause further damage to the vehicle and potentially lead to safety issues. If this is your first visit, be sure to check out the FAQ by clicking the link above. The P0741 code is a common issue that BMW owners face. Dec 20, 2021 · Bad connector or electrical wires. Aug 2, 2021 · A forum community dedicated to all 1 and 2 series BMW owners and enthusiasts. Symptoms of Engine Malfunction in BMW. How is the BMW P14A3 code diagnosed? The BMW P14A3 code can be diagnosed using a diagnostic scanner that is capable of reading BMW-specific codes. SZL and steering angle sensors can fail on any BMW, causing any switches to stop working or trigger various warning lights. fl xk gj oh tq gh md ev dw ev