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What is the reason for the sudden disappearance of the car dashboard speed display?

1 Answers

LeKeegan

07/30/25 1:24am

The reason is the damage to the vehicle speed sensor. Here are the relevant details: 1. Vehicle Speed Sensor: As the information source for the automotive electronic control system, it is a critical component of the system and one of the core research areas in automotive electronic technology. It detects the speed of electronically controlled vehicles, and the control computer uses this input signal to manage engine idle speed, torque converter lock-up in automatic transmissions, automatic transmission shifting, the opening and closing of the engine cooling fan, cruise control, and other functions. 2. Vehicle Speed: Vehicle speed refers to the distance a car travels per unit of time, commonly referred to as speed, with common units being kilometers per hour or meters per second.

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