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What does the SVS indicator on the car dashboard mean?

1 Answers

LeGavin

07/29/25 5:26pm

The SVS indicator on the dashboard is a malfunction warning light. It is activated when the ECU (Engine Control Unit) or TCU (Transmission Control Unit) of an electronically fuel-injected vehicle detects issues with the engine or automatic transmission. All electronically fuel-injected vehicles are equipped with the SVS warning light – it serves as the engine malfunction indicator for manual transmission vehicles, and as the combined engine and automatic transmission malfunction indicator for automatic transmission vehicles. Below are additional details about SVS: 1. The SVS light is a standard indicator in the automotive industry, responsible for warning about powertrain system abnormalities and prompting users to have their vehicles serviced. When the powertrain's self-diagnosis system detects an anomaly, it uses the SVS light to alert the user to service the vehicle. 2. SVS light warnings may originate from the engine, transmission, or gear shift mechanism. When the SVS light flashes, it indicates there is currently a fault in the powertrain system that requires servicing. The car's SVS light functions similarly to an engine malfunction light – when illuminated, it indicates the engine control unit has detected an erroneous signal from a sensor or that a parameter exceeds standard operating limits. When the ignition is turned on, the SVS indicator will light up briefly for automatic system checks and should turn off after a few seconds.

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