What Causes the Emergency Brake Assist System to Malfunction?

[OJonathan]

Reasons for brake assist system failure include insufficient brake fluid, air in the brake system, excessive free travel of the brake pedal or excessive brake clearance, poor contact of the brake shoe friction plate, severe wear or oil contamination, and clogged brake system pipelines. The following are specific introductions about the brake system: 1. The brake system refers to a series of specialized devices that can forcibly reduce the speed of a car. 2. The brake system is mainly composed of four parts: the energy supply device, control device, transmission device, and brake. 3. The main functions of the brake system are to decelerate or even stop a moving car, maintain a stable speed for a car going downhill, and keep a parked car stationary. Due to different vehicle designs and braking methods, brake system failures can be caused by various reasons. 4. Symptoms of brake failure include: brake failure; abnormal noise during braking; effective distance becoming longer or shorter; braking deviation or tail flick; intermittent braking; changes in braking stroke, such as becoming longer or harder; vibration during braking; and other abnormal phenomena.

[KadenDella]

As an ordinary car owner with years of driving experience, I have encountered issues with the brake system warning. Emergency assist braking failures are often caused by sensor problems, such as when the front radar is dirty or obscured by rain, preventing the system from detecting obstacles. Faults in the electronic control unit are also a major factor, sometimes software update conflicts or bugs can lead to false alarms. If there is a hydraulic system leak or the pump fails, resulting in insufficient pressure, the brakes may fail. Low battery voltage or short circuits in the wiring can also trigger the fault light. It is recommended to first check and clean the sensor surface, restart the vehicle, and if the warning persists, promptly visit a professional repair shop for diagnosis—don’t take safety lightly.

[DiManuel]

From a safety perspective, I emphasize that once a warning light appears, you must be vigilant. There could be various reasons: sensors covered by snow or mud, rendering them inoperable; the electronic control module overheating or being damaged, causing it to become unresponsive; hydraulic fluid leaks leading to insufficient pressure; software errors such as failed updates or conflicts; or possibly interrupted signals from wheel speed sensors. Ignoring these issues in emergency situations can lead to serious consequences. It's best to pull over and check basic items, such as sensor cleanliness, and if necessary, call for roadside assistance to proceed to an authorized 4S dealership for inspection and repair.

[LaGrace]

Briefly speaking, I think common causes of brake system failures include sensors being clogged with dust, occasional glitches in the electronic control unit, aging hydraulic components with oil leaks, software needing updates, or low battery power. During daily driving, it's important to keep the front of the vehicle clean, perform regular system self-checks, and avoid relying on assistive functions in harsh weather conditions.

[LeJulianna]

As an enthusiast focused on automotive electronics, I understand that faults can originate from sensor failures such as radar or cameras, which may be obstructed by dirt or suffer hardware damage; electronic control unit (ECU) malfunctions due to overheating, short circuits, or software bugs; issues with hydraulic actuators like pumps and valves; and poor wiring connections that can trigger false signals. All these require diagnostic tools to read error codes for precise identification. Maintaining battery health and updating software can reduce the risk of false alarms.