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Car will not start up (accessory mode only)

8438 Views 22 Replies 9 Participants Last post by  MarylandHoosier
Wondering if anyone else has had this issue. Started when I was just putting something into the car, as the speedometer display came on without me pressing the power button in the car or my my remote/app. Walked over to the driver side, and tried starting car approx. 10 times and speedometer display would come up with all of the warning lights lit. Occasionally a "Service Airbag" message came on. Also when on, the screen would jump between dim and bright about every 3 seconds. Sometimes it wouldn't let me put the car into gear, and other times when I put the car into gear there was no propulsion.

It did this once about a week ago, and I was hoping that this was a one off thing, but every time I have started my car today, I have had to go thru this. Dealership is closed today due to the weather. Will call them tomorrow. Any ideas, or any questions for me?
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If you're getting random "Service XXXX" messages, you have a dead 12V battery. Either something drained the battery, or the battery itself is defective.
Alternately, it can be a loose battery cable such as this one example:

Some intermittent electrical problems have cropped up on SOME Gen2 Volts.
It appears the poorly aligned 12V battery cable connection at the back of the underhood fuseblock MAY account for some of those
As such GM has decided to issue a Service Update Campaign # 16017 -Battery Cable Misaligned
specifically for units in currently dealer inventory.

But it sure wouldn't hurt to take a look at YOUR Volt. (see photos below)

If the connection is misaligned- see your dealer!!


With all the computers in the Volt, it can do some very strange things if there is unstable 12V power.
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