For those of you who disable traction control while in 4H. If your system detects slip, it will engage an electronic “locker” and this will actually cause the truck to be less secure on slick pavement at higher speeds because the axles will all be turning without any rotational differences thus forcing the tires to slip around turns etc. it’s great for slow speed deep snow or mud situations, but not designed for higher speed slick driving with possible turns or curves. I have a lot of experience with a truly triple locked truck (my previous land cruiser) and have driven it in all conditions in all different modes (4A 4H 4L front locked, Center locked, rear locked and various combos of each). Best high speed stability is usually 4A letting the truck apply and control torque distribution automatically. But once you go to 4H and then disable traction control, any slip and the computer “virtual locks” the diffs and this electronic locker won’t disengage until you either turn traction control back on or switch out of 4H. It’s an awesome feature in the right conditions but could actually encourage a loss of traction in other situations.
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