Vehicle’s engine is roaring loudly when accelerating.Gears feel as if they are slipping or catching.Transmission is overheating too easily, especially without driving too far.Unpredictable shifting, especially along with the check engine light on.There are several symptoms you may notice that may signal your module needing service:
It is best to seek immediate attention from a licensed mechanic to get to the bottom of the issue. If you cannot anticipate the acceleration or deceleration of your vehicle while driving, the situation can become very dangerous. This may affect your Mercedes responsiveness a great deal and can cause it to jump forward without notice. The TCM processor interprets various signals transmitted by the drivetrain’s Engine Control Module (ECM), and outputs signals to control a vehicle’s speed and shifting as well as regulating the temperature inside the transmission.Ī bad TCM can cause other issues when it does not mix the fuel-to-air ratio properly. It is vital to your car running properly. Put simply, the transmission control module is basically a computer which communicates information to other computer systems within the vehicle. Although it’s rare that a Mercedes TCM will ever need replacing, if you have a bad transmission control module, immediate replacement or reprogramming will be necessary. Mercedes can develop problems with the Transmission Control Module (TCM), which is an important component of any vehicle with an automatic transmission system.
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