![]() Common Symptoms of Drivetrain Malfunction The YOUCANIC scanner can diagnose the problem, allowing you to read the fault codes from the Digital Motor Electronics (DME) and transmission (EGS) modules. To prevent damage, the engine control unit limits the maximum torque output. What does drivetrain malfunction on a BMW mean?Īs stated previously, the BMW Drivetrain Malfunction error message indicates the Engine Control Module ( sometimes referred to as DDE, ECU, ECM, or DME) detects a problem with the engine or transmission. BMW Drivetrain Malfunction Common CausesĪs mentioned earlier, one of the most common causes that we see triggering BMW drivetrain malfunction is due to a weak 12-volt battery that may need to be replaced with the second most common being an engine misfire, typically caused by a bad spark plug or ignition coil.ĭrivetrain Malfunction message on BMWs may appear:ĭrivetrain Malfunction Drive Moderately can show up any time as you drive or at start-up but is more likely to pop up during cold weather if you have an old battery or come on under extreme driving conditions. Be cautious while driving, as the malfunction may recur or cause additional issues. If you restart the engine and the transmission has already switched to limp mode, you can carefully drive the car to a repair shop or home but keep in mind that the maximum speed will be limited to 40 mph. In many cases restarting the car or disconnecting the battery will clear the error and allow you to drive the car again. Do not keep any lights, cooling fan, or radio on during this time. You can take this a step further and disconnect the battery negative terminal. To fix drivetrain malfunction try this: Park in a safe spot, turn off the engine, and wait for five minutes with the ignition turned off. This error is detected by the Engine Control Module – also known as Digital Motor Electronics – DME. ![]() We will also show you how to use the YOUCANIC full system scanner to diagnose the specific cause of the malfunction as soon as possible, as driving the vehicle with a malfunctioning drivetrain can cause further damage and make the repair more expensive.īMW drivetrain malfunctioning message indicates a drivetrain problem that can be triggered by something as simple as a weak car battery. If a new battery doesn’t fix the issue, you need to look at various issues, such as low transmission fluid levels, a faulty transmission control module, or a problem with the differential. One of the most common causes of drivetrain malfunction is due to the 12-volt vehicle battery being too old and no longer holding a charge, so before you do anything else, check the vehicle battery first. If your BMW is showing drivetrain malfunction, don’t panic! Drivetrain malfunction means BMW is having a problem with either the transmission, driveshaft, or differentials. At our garage, we help car owners diagnose BMW vehicles that show drivetrain malfunction on the instrument cluster, and in this guide, we go over common issues that can cause this warning.
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