◆ 🔍 Free inspection · quote before any work◆ 🏆 20 years' experience · factory-grade diagnostics◆ 🔧 Expert in all car makes — European, Japanese & local◆ 💸 More affordable than the dealer◆ 🛡️ Genuine / OEM parts · with warranty◆ ⚡ Minor service ready same day◆ 🔋 Free battery test◆ 🎁 Refer a friend — both get ◆ 📲 Book anytime on WhatsApp◆ 🔍 Free inspection · quote before any work◆ 🏆 20 years' experience · factory-grade diagnostics◆ 🔧 Expert in all car makes — European, Japanese & local◆ 💸 More affordable than the dealer◆ 🛡️ Genuine / OEM parts · with warranty◆ ⚡ Minor service ready same day◆ 🔋 Free battery test◆ 🎁 Refer a friend — both get ◆ 📲 Book anytime on WhatsApp
4M CARCARE AUTO SERVICE
Book Now
← Back to Car Tips

2026-10-26 · 4 min read

ABS Warning Light On — Common Causes and Is It Safe to Drive?

The ABS light staying on doesn't mean your brakes have failed — but it does mean the anti-lock system is disabled. Here's what usually triggers it and what to check.

ABS Warning Light On — Common Causes and Is It Safe to Drive?

很多人看到 ABS 灯亮起来会很紧张,担心刹车失灵。好消息是:ABS 灯亮不等于刹车不能用。坏消息是:防抱死保护已经失效,需要尽快处理。

ABS 是什么?

ABS(Anti-lock Braking System,防抱死刹车系统)在紧急制动时防止轮胎锁死,让驾驶者在大力踩刹车时仍能控制方向。

ABS 失效不影响普通刹车功能——你踩刹车车还是会停,只是在紧急情况下没有 ABS 辅助,可能出现轮胎锁死、轮胎拖痕、转向失控。

ABS 灯亮的常见原因

**轮速传感器故障**:这是最常见的原因。每个车轮都有一个轮速传感器(Wheel Speed Sensor),ABS ECU 通过对比四个轮子的转速来检测轮胎是否即将锁死。传感器损坏、线路断路、或传感器被污垢覆盖都会触发 ABS 灯。

**ABS 模块(泵或 ECU)故障**:控制 ABS 液压的泵或电子控制模块出问题。

**刹车油位过低**:部分车型会在刹车油不足时同时触发 ABS 和刹车警告灯。

**保险丝断路**:ABS 系统的保险丝损坏。

**轮胎尺寸不匹配**:四个轮子轮胎规格不一致会导致轮速传感器数据异常,误触发 ABS 灯。

还能继续开吗?

短距离低速行驶(如去修车店)是可以的——普通刹车功能不受影响。

不建议在 ABS 灯亮的状态下高速驾驶或在湿滑路面长途行驶,因为紧急制动时失去 ABS 辅助,风险更高。

如果 ABS 灯和刹车警告灯同时亮起,要更谨慎——可能有刹车系统本身的问题。

如何诊断

OBD 诊断可以读取 ABS 系统的故障码,精确定位是哪个轮的传感器、还是 ABS 模块有问题。

不要单凭清除故障码解决问题——根本原因没处理,几公里后会再亮。

4M CARCARE 的电脑诊断涵盖 ABS 系统,可以读取具体故障码并检查传感器状态。

Related services

More articles

Need a repair or service? Book now

Transparent pricing, OEM parts, same-day delivery. · Mon–Fri 9:00–19:00 · Sat 9:00–16:00 · Sun closed

📞 Call📅 Book Appointment