What does it mean when the SVS light is on in a diesel vehicle?

1 Answers
Tami
07/30/25 9:00am
Diesel vehicle SVS light is the engine fault indicator light, indicating that there is a fault in the engine. The SVS light will only illuminate when the engine ECU detects a fault after starting the engine. For such engine faults, it is recommended to visit a 4S shop and seek professional mechanics for handling and inspection. First, check whether it is a sensor or wiring fault. If it is an engine fault, it should be addressed promptly. The solution for the SVS light being on is to try starting the engine. If it fails to start, it could be due to an abnormal fuel pump, which needs replacement. If the engine can still start, it might be another sensor fault. In this case, the vehicle can still be driven, but it cannot be ruled out that the fault may affect the normal use of the vehicle.
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