Uploaded January 2026 | Updated September 2026, 1 week ago

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This 07 GMC Sierra was in a couple of days ago for a no crank condition, and at that time, I repaired the fuse panel by cleaning the corrosion and found the transmission range sensor unplugged. I had no communication with multiple computers on the Serial data circuit. This video illustrates how a scanner glitch coupled with incorrect labscope settings can easily lead someone astray...