Among less common issues I can think of tranny mount problems and dispositioned transmission, wrong fluid with improper viscosity, broken reverse gear, or other mechanical damage in the transmission itself. Of course, these are not all the problems that can happen. the shifter is broken and doesn't send the signal to the TCM or ECU to tell them to shift to reverse.the TCM is malfunctioning and the tranny just doesn't get the command to go to reverse.one of the solenoids is broken, so only a certain set of gears can be activated.the pump is broken and can only create the pressure that's enough for engaging forward gears.the filter is contaminated and doesn't allow the pump to create the needed pressure to shift to reverse.the fluid is contaminated and can't flow freely through the solenoids and other parts of the tranny.the low level of the transmission fluid - one of the most common and easy-to-fix reasons, I should say.I've spoken to several transmission mechanics and they all agree that the following are the most common reasons why your transmission may not go into reverse: Without this, you may invest literally thousands in your vehicle and eventually get nothing but a malfunctioning tranny with the same symptoms or even worse. You need to understand which unit is in charge of the problem. So, let's see how to deal with the no-reverse problem in your automatic transmission! What are the common reasons for reverse gear problems?įixing the reverse gear in the automatic transmission should start with proper diagnosing. Only in some cases, the problem may be in the TCM, shifter, or some other unit that is easier to check and replace or repair than the transmission. In short, the inability to switch to reverse means that the entire automatic transmission needs proper inspection and expensive repair. So, what may be the reasons for the reverse gear not engaging or not working properly in your transmission? You may never realize how expensive it is to repair an automatic tranny till you actually get into trouble. Have you at all seen manual trannies in some cars made in the recent decade? Well, I have, but those are rather exceptional cases.īut it's not uncommon that automatic transmissions fail too early and send clear signals that they are going to make certain corrections in our family budgets. But the level of comfort and automation they give us wins the game and almost all American buyers now prefer any kind of automatic trannies to manual transmissions. Automatic transmissions tend to fail earlier than manual ones.
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