NHTSA Complaint #11715731 — 2017 CHEVROLET TRAX

When driving, speedometer/RPM dial both go to 0. The “Service Stabilitrak” message comes on followed by the “Service Power Steering, Drive With Care” message. The check engine light will also sometimes appear. The transmission is also affected (jerking when changing gears, inability to accelerate properly, revving). Power steering goes in and out. Car doesn’t feel safe to drive while it’s happening. No triggers or commonalities known. Car goes back to normal when left off and turned back on. Code U0073 "Control Module Communication Bus 'A' Off” appeared with at home OBD2 scanner.