You really need a tech2 to read the codes but could be as simple as a glitch and a reset will make it go away or ride height sensor, wheel bearing or BCM module?
Last time that popped up on me was due to sensors being ripped off after my shocks and tires were replaced by NTB...BIIIIIG MISTAKE...lesson learned after having to spend more than 3k. (Not including the bill from the Cadillac dealership to fix the rest of what they fubarred.) It was just one of many warnings Quinn was "yelling" about.
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