AHC tied to SAS? (1 Viewer)

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Joined
Oct 27, 2019
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Philadelphia
Does anyone know if SAS error codes are tied to achieving High position with AHC?
AHC will not go into High. I have cross leveled and made sure pressures are in spec.
From what I have read it appears to be so. I am getting error code C1777 Steering Angle Sensor when I run diagnostics under AHC.
I have checked SAS on diagnostics and it is zeroed and responds appropriately with turning the wheel with live data, so not sure why I am getting an error code unless the link between AHC to SAS is faulty.
Only flashes like it's trying to go to high but does nothing. Wondering if the SAS error is "blocking" it. Testing on a level surface, stationary.
I was going to do a flush but wasn't sure if being unable to reach H position would make doing so pointless until I fix it.
Anyone got info, insight or advise?
May just go ahead and do what I can from the definitive AHC maintenance list
 

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