Possible signs of a malfunction of the automatic transmission control unit:
* Unexpected or rough gear shifts: The automatic transmission may shift into gears too early or too late, or shifts may be abrupt.
* Delays when shifting gears: The automatic transmission may be delayed when changing gears, causing jerking or slipping.
* Inability to engage gears: The automatic transmission may refuse to shift into certain gears or may not shift at all.
* Gear selector lock: The gear selector does not move from Park (P) or Neutral (N).
* Flashing or illuminated check engine light: A faulty automatic transmission control module can cause the check engine light to illuminate, indicating problems with the transmission.
* Loss of Power: A faulty automatic transmission control module can limit engine power output, resulting in loss of performance and reduced fuel economy.
* Incorrect speedometer readings: The automatic transmission control unit may be connected to the speedometer, and a malfunction may result in inaccurate speed readings.
* Strange sounds: A faulty automatic transmission control module may cause strange sounds such as whirring, grinding or banging noises.
*Automatic Transmission Fluid Leaks: A faulty automatic transmission control unit can cause automatic transmission fluid leaks due to excessive pressure or failure of internal components.
Consequences of a faulty automatic transmission control unit:
If the automatic transmission control module is faulty, it can lead to serious transmission and safety problems. A faulty automatic transmission can lead to:
* Increased wear of other transmission components
* Reduced performance and fuel economy
*Risk of traffic accidents
* Expensive repairs