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What are the symptoms of automatic transmission failure?

Automatic transmission failure can manifest through various symptoms, including:

1. Slipping gears: This occurs when the transmission cannot properly engage the gears, resulting in a loss of power or the vehicle suddenly jerking forward or backward.

2. Hesitation or delay in shifting: The transmission may hesitate or delay before changing gears, creating noticeable gaps in acceleration.

3. Rough or harsh shifting: Shift transitions can feel abrupt and rough, causing uncomfortable jolts in the vehicle's movement.

4. Grinding or whining noises: Unusual noises, such as grinding, whining, or humming sounds, may be heard during gear changes or while the vehicle is in motion.

5. Check engine light: If the transmission control module (TCM) detects an issue, the check engine light may illuminate on your dashboard.

6. Loss of power: In severe cases, transmission failure can lead to a complete loss of power, preventing the vehicle from moving.

7. Fluid leaks: Look under your vehicle for any leaks from the transmission. A reddish or brownish fluid indicates a potential transmission fluid leak.

8. Burning smell: If the transmission fluid is low, it can overheat and produce a burning odor. This is a serious problem and you should stop driving immediately.

If you notice any of these warning signs, it's important to have your vehicle inspected by a qualified mechanic or transmission specialist to diagnose the issue and perform the necessary repairs or replacements.