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Numerous factors may trigger the activation of the Advancetrac light in a Ford Fusion. The vehicle's steering and traction system houses multiple sensors that communicate with the PCM. When a loss of traction is detected, the Advancetrac system automatically lessens power and applies brakes to the slipping wheel. If any of these sensors malfunctions, the system loses monitoring capability, leading to the illumination of the warning indicator light. It is essential to inspect the wheel speed sensors, steering angle sensor, and rotational speed sensor while ensuring the integrity of the wiring connectors. Additionally, issues within the steering rack, such as deteriorated bushings or power steering leaks, could also be culprits behind the light coming on.
Typically, the warning light for AdvanceTrac in the Ford Fusion requires professional diagnosis to be resolved.