Is it dangerous if the ABS yellow light on the car stays on?

1 Answers
AshlynAnn
07/30/25 6:32am
It does not affect the car itself, but it may impact emergency braking while driving, as the ABS (Anti-lock Braking System) is designed to ensure the safety of passengers during emergency braking. Normally, the ABS light will illuminate for a few seconds during the car's initial startup as part of the self-check process. However, if the light remains on, it indicates a malfunction in the ABS system, or the ABS sensor might be obstructed. It is recommended to visit a 4S shop for inspection. If a fault is detected, timely repairs are necessary. Possible causes for the ABS light staying on include: 1. Low battery voltage: Check if the battery voltage is at 12V. 2. ABS circuit failure: Inspect the relay and ABS control circuit for broken wires, loose connections, or an improperly secured relay. 3. Low brake fluid level in the master cylinder reservoir: If the fluid level is too low, add brake fluid to bring it to the normal level. 4. Wheel speed sensor failure: Check the four wheel speed sensors for any foreign objects. Also, verify if the fuse is blown.
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