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What does the SVS warning light mean?

1 Answers

EvelynLee

07/30/25 7:41am

SVS warning light is a malfunction indicator for all electronic faults. Here are the relevant introductions: 1. SVS fault: The warning light is activated when the electronic control unit (ECU) computer or TCU computer of an electronically fuel-injected vehicle detects issues with the starter motor or automatic transmission. Therefore, any electronically fuel-injected vehicle equipped with an SVS warning light will use it as follows: for manual transmissions, it indicates engine faults; for automatic transmissions, it indicates both engine and automatic transmission faults. 2. Interference caused by improper grounding: In single-power supply circuits, the opposite electrode is usually used as the potential reference point. That is, when powered by a positive supply, the negative terminal serves as the reference; when powered by a negative supply, the positive terminal is the reference. For dual-polarity power supplies, the reference point is the node connecting the positive and negative terminals in series.

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