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Can the car drive normally when the D gear is flashing?

2 Answers
LaFinley
07/29/25 10:49pm
D gear flashing indicates that the car cannot drive normally. Here are the specific reasons for the D gear light flashing in a car: 1. When the D gear blue indicator light flashes, it may indicate a potential fault in the transmission control system. Gear shifting impact is likely caused by issues with the clutch switch, shift solenoid valve, or accumulator. 2. When the car's D gear light keeps flashing, it is highly possible due to oil seal pressure leakage on the forward clutch inside the CVT. The oil seal is prone to aging during use, leading to insufficient pressure in the forward clutch. This manifests as slow cold starts and starting vibrations. When the situation worsens, the D gear light will keep flashing, eventually resulting in the car's inability to start.
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SanGideon
08/16/25 12:19am
The flashing D gear usually indicates a fault in the transmission control system, such as the electronic control unit detecting abnormal signals or sensor failure. I encountered a similar situation in a friend's car before; it could still drive at that time, but the shifting felt rough with slight jerks. If this warning is ignored while driving, it may lead to more serious issues, such as transmission overheating damaging internal gears, or even sudden loss of power causing safety risks. It is recommended to pull over immediately, turn off the engine, and wait a few minutes before restarting. If the flashing disappears, it might be a temporary false alarm; if it persists, do not force driving long distances—it's best to call a tow truck to a professional repair shop. Transmission repairs can be very costly, and early intervention can save significant expenses. It's also good practice to regularly check the transmission fluid.
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