What Causes the Corolla to Jerk When Releasing the Throttle at Low Speeds?

[DeAriana]

The reason the Corolla experiences jerking is due to issues with gear shifting. Details are as follows: Upshift Jerking: This occurs because the transmission's response speed is not fast enough, and the upshift speed cannot keep up with the throttle input speed. Therefore, at the moment the transmission shifts gears, a jerking sensation is produced. Downshift Jerking: This is caused by the intervention of the energy recovery system. Once the driver releases the throttle pedal or presses the brake pedal, the generator immediately starts working, engaging the engine and imposing some load on it. This affects the engine speed, causing it to become out of sync with the clutch plate speed, resulting in a jerking sensation.