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2026. 7. 16. 작업

증상

I've seen a "black box" referred to by the media in the past and again today in the reporting of the death of Aubrey McClendon . The headline on the TV said "Police retrieve the Black Box from vehicle". Is this a real device or do investigators pull data from the ECU and the media just calls it a "black box"? If its a discrete device or a part of the ECU, what does it record, and for how long? Is it hardened or fireproof like on an airplane or do investigators just have to hope that it's not damaged? I've read an updated article saying the vehicle in the McClendon case was a 2013 Chevy Tahoe t

처리 내용

To expand on @Ben comment, the air bag controller on GM vehicles does record information prior to, during, and after air bag deployment. It would include most of the operating parameters of the vehicle that you can find on a diagnostic tool. This has been true as far back as the early 2000's when I was a ASE Master Tech at a GM dealership. I can't speak to other makes, but I would assume that all manufacturers are doing this for liability purposes.\ Edit: more info