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Re: 07 Buick- Jumping Speedo- Network issue?
Posted to Technical Discussion Forum on 3/5/2020 1 Reply

Just now, while backing the vehicle out of the bay, I was turning while backing up and it stalled. It started right back up and I did a system scan for DTCs and found DTC U1022 "lost comm with vehicle dynamics control module" as history stored in the ABS modul... Login to read more.

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