The 9 Most Unanswered Questions about Modules
Details on How to Know When the Vehicle ECM is Faulty and Tips for Choosing the Best ECM, TCM &ECU.
If vehicles were human being, the ECM would be the brain. It is terms as the TCM or even the ECU. It is a major component in any car. This is the computer system which monitors how the engine is performing not to mention the other drivability systems. The sensors located in the engine pass information to this computer system that will be utilized in calculations which lead to tuning of the engine spark and even the fuel in making sure all the vehicle parts are performing efficiently. Given how critical the part is, you will not be able to use the vehicle if it fails. Knowing the symptoms of a failing ECM will allow you to get ahead of the problem. First of all, a check engine light is not just for decoration but it actually means you have to take the vehicle to a mechanic. It might not mean the ECM is in danger of failure but you will be able to know the kind of error code the system is sending. With this, it will be easy for the real problem to be fixed.
It is also very easy to tell when the ECM is not in good shape based on the engine behavior like misfiring or stalling. A faulty computer system might also be the cause of the problem but this is mostly an intermittent problem. There might not be any pattern on how these symptoms come up or even go. In addition, this is not a pattern you should be using in judging whether the symptoms are severe or not. You will also get engine performance problems if the ECM is faulty. It is the ECM that controls the timing of the fuel settings. The fuel efficiency can drop at any time and the vehicle will give you a hard time when you are trying to shift. If a properly functioning vehicles takes a turn for the worse, you need to call your mechanic as soon as possible so that you can get an idea of what is happening.
You can also gauge the status of the ECM based on how fast the vehicle starts when you turn on the ignition. A faulty ECM will see the vehicle struggle or even fail to start completely. If you have to replace the ECM, you should know how to get the best. You should not install an ECM that is different from the original one because it might not work and you will back to where you started from. Also, buy from a quality manufacturer for it to serve you for a long time.