![]() One or more damaged fuel injectors can cause BMW to drive with moderately reduced power. If you accidentally used low octane, consider adding an Octane Booster to the fuel tank to bring up the octane level of the tank's gasoline. Use premium gas on your BMW, 93 or higher octane. This problem can be caused if you recently filled up the car with low octane gasoline. Catalytic ConverterĪ clogged catalytic converter can also cause a BMW drivetrain malfunction error message.Ĭatalytic converter failure is more likely to happen in high mileage vehicles where the ccatalytic converterclogs and restricts the exhaust gases. The fuel pump may fail to create enough pressure, especially when there is a high demand from the engine. High-Pressure Fuel PumpīMW drivetrain malfunction can also be caused by a fuel pump that does not generate the required fuel pressure, especially if the error message is coming up when you are accelerating. If the code moves with the coil, you have a bad ignition coil. Run the car until the check engine light comes back on. Swap the ignition coils for cylinder one and cylinder 2. If you are getting a cylinder misfire for one particular cylinder, there is a chance that the ignition coil to that cylinder is defective. Ignition CoilsĪ failed ignition coil can cause engine misfire and BMW error message ddrivetrainmalfunction on iDrive. Worn spark plugs are often the cause of drivetrain malfunction in BMW vehicles. When you change the spark plugs, replace all of them simultaneously. We strongly recommend getting your BMW diagnosed by a mechanic or, at a minimum, read the fault codes yourself before you start replacing any parts. Most likely, your issue will be due to one of the issues below. Even if the drivetrain error disappears, you should still have your BMW diagnosed, as there is a very high probability it will return.Īn engine misfire often causes a BMW drivetrain to malfunction. Get the BMW serviced as soon as possible. Call your dealer or mechanic. Do not ignore a ddrivetrainmalfunction warning. ![]() If the engine is shaking and there is reduced power or limp mode, it is not recommended to drive. Read codes from the engine (DME) and transmission (EGS) module.Turn on the scanner and select your BMW model.Turn on the ignition but don't start the engine.Plug in an O OBD-II scannerinto the diagnostic port.Locate the diagnostic port under the dashboard.Generic OBD2 scanners won't be much help, as they can't read manufacturer fault codes. Do not keep the engine running if it overheats or the oil light is on.Ĭodes stored in the DME will tell you why the Drivetrain Malfunction error was triggered.įor this step, you will need a BMW Scanner.Pull the hood release under the dashboard and inspect the engine for leaks and unusual smells, indicating a damaged serpentine belt, oil leak, or coolant leak. If restarting the engine didn't fix Drivetrain Malfunction Drive Moderately, park the vehicle safely and turn off the engine again. In many cases, this will temporarily reset the BMW drivetrain malfunction and allow you to continue your journey. Wait for at least five minutes, then restart the car.Turn off the ignition and remove the key.One can take a few basic steps when the BMW Drivetrain Malfunction error message comes up. In most cases, your BMW will lose power, the engine may shake or die, and the transmission can go in the limp home mode (no longer changes gears). The drivetrain malfunctions, and the car won't start.Drivetrain malfunction while trying to pass on the highway.Vehicle cuts off / dies when idling or placed in gear (D).Drivetrain malfunction error message on the iDrive screen. ![]() While the symptoms can vary depending on the problem that caused the error, here are what most BMW owners usually notice: To diagnose the problem, you can use a BMW scanner, which will allow you to read the fault codes from the Digital Motor Electronics (DME) module and transmission (EGS) module. To prevent damage, the ECU limits the maximum torque output. This guide will learn more about this problem and diagnose it with a BMW scanner.īMW Drivetrain Malfunction error message indicates the Engine Control Module (also known as DDE ECU ECM or DME) has detected a problem with the engine or transmission. Drivetrain Malfunction message often appears under heavy acceleration, going up on a steep incline, taking off from a stop sign, or when trying to pass another car.ĭrivetrain Malfunction Drive Moderately can also come up during cold weather due to a weak battery or come on under usual driving conditions.
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