What Causes an Automatic Transmission Car to Suddenly Stop Moving?

2 Answers
SanKing
07/28/25 6:24pm
An automatic transmission car may suddenly stop moving due to the following reasons: 1. The clutch is not fully engaged. 2. The handbrake is not released. 3. The gear is stuck and not fully engaged. 4. The clutch friction plate is worn. Note: To shift gears in an automatic transmission car, simply push the lever to the corresponding gear position. However, a new car requires a break-in period, and more force may be needed when shifting. A manual-automatic transmission does not have as many gear positions as a pure automatic transmission. Apart from the essential P (Park), R (Reverse), and N (Neutral) gears, the forward gear is simply D (Drive), and the functions of other gears can be achieved through manual mode.
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MacLogan
08/12/25 12:03am
I often encounter situations where my automatic transmission car suddenly stops moving while driving. This is mostly due to transmission issues, such as gear jamming or insufficient fluid. I remember once on the highway, my car wouldn't move when shifted, which gave me a scare. Later, the tow truck driver said it was an electronic control unit failure. Other causes include engine misfire, fuel system blockage, or parking brake not fully released. If this happens, stay calm and try restarting the car, check if the gear is in D position, and avoid forcing it to drive to prevent damage. It's best to do regular maintenance, check the fluid condition, and avoid these small troubles, as safe driving is the most important thing.
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