Just wanted to update the community on this issue. Toyota techs weren't able to figure it out. They replaced the hydroboost assembly and the 4wd transfer case actuator to no avail. Didn't charge me because I still get the same lights. Hi and Lo 4wd still seem to work as does my center diff lock. Tried a few other things like replacing my gas cap (was loose fitting) and brake switch with no change. Still bugs me the lights come on as I described before, but with 4wd and the center locking as it should, I'm just driving it and taking it on trails with no problems. The mystery remains.
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2008 V6 Sport Edition 4wd
