Error Code C0712 2016 GMC Denali XL Suspension very rough

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Wes
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All Great info on this. I have a 2015 Yukon Denali with a C0712-11 error code, do you have a link to the service manual for this vehicle so I can properly diagnose the issue? The link you show in your prior post only covers up to the 2014 model year Thank you
you can try and find one off of ebay or look on charm
the problem will be the same anyway the 2015-2020 doesn't operate any different than previous years, the change happened with 2021+ with 4 wheel air ride and a big manifold, etc.
 

swathdiver

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All Great info on this. I have a 2015 Yukon Denali with a C0712-11 error code, do you have a link to the service manual for this vehicle so I can properly diagnose the issue? The link you show in your prior post only covers up to the 2014 model year Thank you
AllDataDIY for the shop manual and interactive wiring diagrams and troubleshooting guide.
 

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