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Control arm bushings are essential suspension components that connect the control arm to the vehicle frame or subframe. They allow controlled movement of the suspension while absorbing road shock and maintaining wheel alignment. When bushings wear or fail, drivers may notice clunking or squeaking noises, vibration, wandering steering, uneven tire wear, and reduced handling stability. In modern vehicles, suspension control modules may set diagnostic trouble codes (DTCs) related to ride-height sensors, wheel-speed sensors, or steering angle sensors when bushing degradation affects vehicle dynamics. Diagnosis typically includes visual inspection for cracks, tears, or fluid leakage, checking for excessive play with a pry bar, and performing a wheel alignment check. Proper replacement requires raising the vehicle safely, supporting the suspension at ride height before tightening fasteners, and using correct torque specifications to prevent premature bushing failure.