![]() ![]() In this instance, your car may stay in neutral gear or park despite you trying to switch gears to reverse or even drive.Īdditionally, you’ll notice it if your automobile engages first gear and moves forward but won’t engage the following gear. Stuck In One GearĪside from the points above, if you’re unable to change gear at any point, it may be because your transmission control module is faulty. Thus, you’re in a gear that prevents you from properly accelerating when you need to start moving again, which may even prevent you from moving entirely. However, if the transmission control module is malfunctioning, you can still be in high gear while you slow down. Generally, an automatic gearbox should be in first gear when at a standstill, so it is ready to go when you need to resume motion. Like the above, downshifting may also be a symptom of a failing transmission control module. Thus, if the malfunctioning transmission control module won’t change to a higher gear, you might never reach the specified speed because each gear has a maximum speed it can handle. However, when this doesn’t happen, your engine’s RPM will keep rising rather than slightly decreasing, after which an upshift occurs. Read More: Why Is My Transmission Fluid Brown? (9 Reasons Why) Generally, your transmission should properly and timely change to higher speeds as you gradually raise your speed. Not Up-Shifting During AccelerationĪside from lagging acceleration, failure to upshift may also be a symptom of a malfunctioning transmission control module. In this case, it’s crucial to bring your car in for repair right away. However, when the transmission fails to respond immediately, you may experience a brief delay before your car can move faster. ![]() Generally, the transmission control module responds when you switch gears to accelerate, which allows your car to move faster. Acceleration LagĪside from my point above, a faulty transmission control module may be to blame for a delay in acceleration. However, if the check engine light comes on and you suddenly experience trouble with the gearshift, it’s highly likely to be a problem with your transmission control module.Īs such, it’s essential to get your transmission system checked immediately. On its own, the check engine light may indicate something innocuous like a loose fuel cap or wire. If you see a light in the shape of an engine appear on your dashboard, it may be a sign of a faulty transmission control module. Here’s what we found! Transmission Control Module Symptoms However, the transmission of your car is controlled by the transmission control module and can severely affect your car if it fails. Whether you’re a car enthusiast or just use your car to get from Point A to Point B, you should know that the transmission system is one of the most important parts of your car. ![]()
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