Thread: Code 31
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Old 06-05-2015   #10
Paul Workman
 
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Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
Default Re: Code 31

Quote:
Originally Posted by SAM/CH ZR-1 View Post
A bad going alternator can cause, even before the battery light turn on, some error codes especially during hard driving or accelerating. I noticed that several times by my own and by some customer cars.

After replacing the alternator the code 31 did not show up again.
Thanks! Another item to add to the list of low voltage effects.
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