The abs keeps randomly disabling and then coming back on. When this happens, the cruise control is canceled which causes a sudden change in speed unexpectedly. Also, the 4×4 gets disabled. I believe the issue is this: hydraulic control unit can malfunction, impacting ABS, electronic stability control, and traction control performance software issue in the Anti-lock Brake System (ABS) control module that can disable the Electronic Stability Control (ESC) system, potentially increasing the risk of a crash.