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  1. YukonXLMan

    P10E4 Error Code Diagnosis?

    Friends In running my vehicle down from NE to FLA last weekend, I got a blinking check engine light. Initial diagnosis was P0300 (of which much has been written of in this forum). I believed it to be from poor gasoline. After using a few fuel additives and the highest octane fuel I could find...
  2. YukonXLMan

    Any mobile Amateur Radio Operators out there?

    I am trying to determine as non-invasive way as possible to mount a mobile Amateur Radio (Ham) antenna to a 2017 Yukon XL. Any Ham or CB operators out there that have successfully accomplished this on this particular body style? If I had my NBS, I could simply bolt it to the rear stainless...
  3. YukonXLMan

    2017 Yukon..Stopping Bull Bar induced front parking assist error?

    I've been researching this for some time with no successful fixes found. I have an Aries Bull bar mounted on a 2017 Yukon XL. It triggers the two central bumper sensors into alert mode and I get the graphic in the DIC as well as seats buzzing constantly. I've asked the dealership if they can...
  4. YukonXLMan

    U0020 DTC Code

    I ran a new diagnostic tool I purchased today and it shows that all is well EXCEPT a U0020 Low Speed CAN Communication Bus Performance error. I'm not having much luck locating what this might mean on my 2017 Yukon XL SLT. I'm not experiencing any symptoms that I'm aware of. Might anyone have...
  5. YukonXLMan

    2017 Yukon XL Lower Control Arm Replacement

    I was checking my tires and noticed I lost 3/32 tread on my rear tires and was wondering what the heck happened in the last 1000-1500 miles. I crawled under my truck and found my wife or I had hit something that bent the lower control arm in the right rear. I checked on-line to find the part...
  6. YukonXLMan

    2017 Yukon XL Lower Control Arm Replacement

    I was checking my tires and noticed I lost 3/32 tread on my rear tires and was wondering what the heck happened in the last 1000-1500 miles. I crawled under my truck and found my wife or I had hit something that bent the lower control arm in the right rear. I checked on-line to find the part...

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