Jim Posted February 19, 2021 Share Posted February 19, 2021 Chevy express van, had code for front impact sensor, replaced the impact sensor, now the light blinks at start up and then goes out. What does this mean? I haven’t been able to clear it yet because I don’t have my scan tool currently Quote Link to comment Share on other sites More sharing options...
Miky Posted February 19, 2021 Share Posted February 19, 2021 When you start your vehicle all the lights on the dash should come on. The vehicle is made that way so you know if a bulb is burned out. If the light goes out after the engine starts I expect the system is working properly and there is nothing to be concerned over. It flashed during its self test then goes out once all things pass. Usually flashes like 6 times or so. Normal. Quote Link to comment Share on other sites More sharing options...
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