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Thread: 2016 Volt won't turn off Reply to Thread
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  Topic Review (Newest First)
02-20-2020 12:26 PM
jco thanks markkall.
10-02-2019 04:57 PM
Jville Tim My 2018 Volt just started doing this about a week ago. It is exactly two years old this Sept. 8. I am taking it in for service next week, hopefully they can repair it under warranty. At least I know it is an ongoing issue.
09-24-2019 01:55 AM
stylemotorbikes I have the same problem with my 2016 Volt.
09-02-2019 06:48 PM
markkall Some other fellows have done research on the "shift to park" issue before me.

Here is a link to some info a guy posted after he troubleshot the problem.

see this page___

That link should clarify things a bit more
09-02-2019 06:20 PM
markkall This issue has been happening to many volt owners as well as many other chevy vehicle models.

The cause is not 100% pinned down yet but I taken some actions which lead me to strongly believe the cause of "shift to Park" messages especially when they start to occur intermittently, are because of a small microswitch built into the shifter which is supposed to sense when the car is in Park. It starts becoming intermittent and then finally fails OPEN once and for all. Chevy appears to have decided NOT to cover the fix under warranty They completely replace the shifter, which obviously then has a new switch in it. Some people have paid upwards of $450 to get this fixed, all because of a $5 microswitch.

Some with this problem as intermittent have found that squeezing the shifter handle (volt shifter handles have a button built into the knob at the top), if they squeeze this "button" a few times they can often resolve the problem, temporarily, until the next time. This is because I believe (from having opened things up and looked at the shifter and this small switch) squeezing the shifter know ALSO moves the switch through it's on and off positions. Since the switch has become intermittent, it is not surprising to me that tickling it a little, occasionally causes the switch to work again, at least once in a while. It all depends on how bad the switch contacts are degraded.

Having been through several troubleshooting steps on my own and having even removed and reinstalled this little switch, I have decided to buy several new switches so that I can repair my vehicle when my switch goes bad. Yes, my switch is not actually bad yet, I just decided to investigate the problem BEFORE it left me or my wife stranded somewhere.

Like I say, I cannot say with 100% certainty TO YOU that this microswitch is the cause, but I do say that to myself as I have troubleshot this issue electrically and mechanically within the last 7 days.

Hope this helps and doesn't confuse.....
07-02-2019 05:15 PM
alvesjaa Has there been any updates regarding the cause? It’s happening on my 2018 Volt.
04-03-2019 01:56 PM
Me too

This is happening to me with my 2018 Volt.
03-11-2019 04:35 AM
marthawilliam I have the same problem. I'm not able to turn my car off. Also a 2016 Volt.
11-13-2018 01:13 PM
L3VIRGINIA I've had the same problem for the past month. The problem occurs about 1 in four attempts to turn off vehicle. Brought the car to a Chevy dealership today but they couldn't reproduce the fault. They said no faults were registered in the diagnostic. They were not aware of this being a pervasive problem. I plan on photographing the dash the next few times it happens for the next service call.
09-08-2018 07:14 PM
CindyY Same problem here. Started a couple weeks ago. Restarting once, then turning off again seemed to work, but today, after several attempts, it still won't turn off.
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