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2012 suburban P0700 transmission error.
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Ob1knobie
New User
Oct 6, 2023, 10:39 AM
Post #1 of 3
(801 views)
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2012 suburban P0700 transmission error.
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I've got a 2012 Suburban that is periodically showing a P0700 code. After driving for a while .. when stopping ... car jerks a little .. then nothing ... no dash .. no power ... no starting. After 3 or 4 minutes of trying to figure out what the ^%#& is going on .. car starts and all is ok ... for a while ... engine trouble light on ... Determine trouble code is P0700 ... Transmission Controller. Come back tomorrow .. engine trouble light is off ... car starts and drives normal ... until it happens again .. so far 4 times ... OK .. is it a $300 problem or a $3000 problem?
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gsferraro
Veteran
Oct 9, 2023, 3:58 AM
Post #3 of 3
(668 views)
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Re: 2012 suburban P0700 transmission error.
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Hello, This trans may be a 6L80, which has it's own TCM inside the trans, make sure you scan the transmission controller and not the engine controller. Gary
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