What are the causes of ABS/ESC failure?

1 Answers
IsabelleAnn
07/29/25 6:29pm
ESC/ABS failure refers to malfunctions in the vehicle's Electronic Stability Control system and Anti-lock Braking System. ESC, short for Electronic Stability Control, is an active safety technology that assists drivers in controlling the vehicle. It automatically corrects instability in the vehicle body, helping to prevent accidents. An ESC failure indicates that the vehicle's ESC system is malfunctioning, and the electronic stability control system is not operational. An ESC warning is a relatively complex issue, often caused by software system alerts, though false alarms can also occur. Diagnosis can be complicated, so it is recommended to have the vehicle inspected at a nearby 4S shop. Causes and solutions for ABS Anti-lock Braking System failure: Dirty wheel speed sensor: The wheel speed sensor, also known as the ABS sensor, can send incorrect signals to the ECU if it is dirty, causing the ABS light to illuminate. Use a multimeter to check the resistance of the wheel speed sensor. Brake switch circuit failure: Short circuits or open circuits in the brake switch circuit can prevent the ABS system from receiving correct signals. Inspect the switch and wiring to ensure they are functioning properly. ABS control unit failure: If the control unit is damaged, it should be replaced promptly with a new one.
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