A gearbox controller failure is a common shortcoming that occurs in passenger cars after several years of use. In many models the controller is located in such a way that its repair is pointless. A much better solution may be to have this part replaced. How should you react to a broken gearbox controller so as not to expose yourself to additional costs?

Signs of problems with the gearbox controller

The controller can be found in both manual and automatic boxes. In the vast majority of cases, faults happen in cars equipped with an automatic box.

A defective controller will quickly manifest itself by disturbing the daily driving comfort. Significantly, in many situations the malfunction progresses gradually and the symptoms intensify over time. Problems with the driver may be evidenced by a gear disengaging while driving, rev surging, jerking of the car at lower revolutions. In the case of an automatic gearbox you will also notice problems with the transmissions, switching to emergency mode, sudden mode changes, and problems with ignition in the P position.

What to do if the gearbox controller fails?

If you notice any disturbing symptoms, it is worthwhile to drive to a service station providing vehicle diagnostics as soon as possible and there your car will be connected to a computer.

In the vast majority of cases, the repair of a defective controller is either impossible or uneconomic due to very high costs. Therefore, it is a good idea to have this component replaced. If you are afraid of high costs associated with the purchase of spare parts, you can always choose a used gearbox controller from a reliable source.

How to replace a defective gearbox controller?

If the prices of brand new controllers make you dizzy, you can always buy a replacement or a used controller from a reliable source. You will find a huge choice for many passenger car models here: Damaged gearbox controller.