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  1. Jhwhite05

    Occasional P0690 code

    Occasionally upon starting my 2009 Yukon Xl, 1500 4x4 5.3 I get a check engine light. Code P0690 “Engine Controls Ignition Relay Feedback Circuit High Voltage” Everything seems to be operating normally and sometimes the check engine light goes off on its own without me clearing it after a...
  2. Jhwhite05

    Lost Cruise Control Set Button

    Hey everyone. 2009 Yukon Xl, 5.3 4WD. Today I pushed my cruise control “set button” only to discover it stopped working. I’d really appreciate your advice for fixing it! We do a lot of long road trips, and cruise control is a game changer for us. What do you think is going on?
  3. Jhwhite05

    Transmission Temp - did I make a mistake?

    My reman transmission with less than 20k miles with an updated torque converter typically runs below 185 on warm days and 230 when going uphill on mountain pass at 45-55mph in tow mode. I have an external Derele transmission cooler. Recently while towing in tow-mode on a very steep grade for 25...
  4. Jhwhite05

    I’m weary….

    I’m weary… I have to admit, I absolutely love our 2009 GMC Yukon XL. But over the last couple years….I’ve gotten weary. Weary of big-ticket fix-it issues: It’s got a reman Jasper Engine A new transmission Fuel Pump Wheel bearings Suspension (springs/shocks) Headlight housings …and just...
  5. Jhwhite05

    Derale 13960

    Hey! I have a Derale Hyper-Cool Remote Fluid Coolers with Fan Kits 13960 installed on my 2009 Yukon Xl, 5.3. I have a question about the trans temperature. When should the fan kick on? I’ve seen 191 on my dash but haven’t seen the fan kick on. I asked my mechanic to install the trans cooler...

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