Possible reasons:
* Clutch slippage: The clutches in the transmission wear out and cannot properly transfer power to the wheels. This leads to a loss of speed and an increase in rpm.
*Torque Converter Malfunction: This component transfers power from the engine to the transmission. If it is faulty, slipping may occur resulting in loss of speed.
*Transmission Fluid Leak: Low fluid levels can cause lubrication and cooling problems, resulting in transmission failure.
* Malfunctioning speed sensor or transmission control module (TCM): These components provide speed information and control the operation of the transmission. A malfunction may result in incorrect gear shifting and loss of power.
* Clogged Transmission Filter: The filter becomes clogged with wear particles, restricting fluid flow and reducing pressure. This can cause clutch slippage and loss of speed.
* Faulty shift solenoids: The solenoids shift gears in the automatic transmission. A malfunction may result in incorrect gear shifting and loss of speed.
Remedy:
* Check the level and condition of the transmission fluid. If necessary, add or replace fluid.
* Have your transmission diagnosed with an OBD-II scanner to identify trouble codes.
* Check for transmission fluid leaks. Repair leaks if necessary.
* Replace slipping clutches or faulty components in the transmission.
* Replace faulty speed sensors or TCM.
* Clean or replace clogged transmission filter.
* Reset the transmission by disconnecting the battery terminal for a few minutes.