Illumination of the "Check Anti-pollution System" or "Check Injection" warning lights. Deactivation of the cruise control or speed limiter. The vehicle may feel sluggish or restricted in power. Potential Causes Faulty Brake Light Switch

Monitor live data graphs of all four wheel speed sensors while driving slowly in a straight line.

: This occurs when external electrical "noise" disrupts the 2.5V differential signal used by the CAN High and CAN Low wires.

: Carefully twist and wiggle the sensor out. If it is rusted solid, apply penetrating fluid. Do not pry aggressively against the aluminum knuckle. Clean the mounting hole carefully.