Providing more context on where you encountered the code will help narrow down its exact application.
: A video of a robotic arm repeatedly opening a door handle or a "shaker table" test for dashboard rattles. GM D4179 avi
: In a digital context, .avi is a video file format. If this subject appeared as a file name, it likely refers to a recorded validation test . Engineers often record high-speed footage of crash tests, suspension cycles, or component failures to analyze how a part behaves under stress. Why These Specifications Matter Providing more context on where you encountered the
: Third-party manufacturers must prove their products meet the GM D4179 criteria before they are granted a contract. GM D4179 avi