2014 Buick Lacrosse dies when I hit a bump or turn corners

Asked by Guru8HGTF Jan 02, 2020 at 01:27 AM about the 2014 Buick LaCrosse Premium I FWD

Question type: Maintenance & Repair

My Buick Lacrosse completely dies without warning when I turn a corner or
hit a bump. The engine dies, steering wheel locks, brake pedal locks ups,
radio infotainment center freeze (can't use Onstar) and it will coast to a stop.
The first time it happened, by the time the tow truck came the car started up,
I thought maybe it was a fluke. Until it happened about two days later. When
I jump it, it doesn't always start right away. The battery is a week old, the
connectors are tight. It's a push start so when I push it there's nothing until it
decides it wants to start which may be 5 mins or 15hrs. There are no check
engine lights, no other dash lights. It almost seems electrical but I'm not sure.
Has anyone had similar problems and resolved it?  

3 Answers

I have no answer for you, but my 2016 Buick Regal did the exact same thing yesterday. I hit a bump pretty hard, and the entire system shut down just like what you described. After I coasted to a stop, I was able to put it in park and the car started right away, so I didn't need a tow truck, but it's very odd to have the car just go dead like that. I f anyone has an answer to this, it would be greatly appreciated.

20

Im having the same problem 2014 Buick Verano.The dealership discontinued Verano,Regals,and LaCrosse. My car is at the dealership right now and they have no explanation. This is dangerous.

2 people found this helpful.

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