Anti-Lock/Anti-Skid Brake System (ABS) Warning Light


The Anti-Lock Braking System or Anti-Skid Braking System (ABS) is an automobile safety system that allows the wheels on a motor vehicle to maintain tractive contact with the road surface according to driver inputs while braking, preventing the wheels from locking up (ceasing rotation) and avoiding uncontrolled skidding. It is an automated system that uses the principles of threshold braking and cadence braking which were practiced by skillful drivers with previous generation braking systems. It does this at a much faster rate and with better control than a driver could manage.

Possible causes

The ABS warning light is set when there is a mechanical or electronic problem with the ABS System. The most common problem that may trigger the "Anti-Lock/Anti-Skid Brake System (ABS) Warning Light" are:
  • Dirty ABS Speed Sensor
  • Faulty or damage ABS Speed Sensor (most vehicles have a sensor at each wheel)
  • Low brake fluid level

Related Information

Common Tire Pressure Monitor System (TPMS) and Anti-Lock/Anti-Skid Brake System (ABS) Codes

  • C1241 TOYOTA 75,715 Views
    Low Battery Positive Voltage
  • C1130 NISSAN 68,773 Views
    Engine Signal 1
  • C0035 CHEVROLET 58,446 Views
    Left Front Wheel Speed Sensor
  • C0040 CHEVROLET 52,502 Views
    Right Front Wheel Speed Sensor
  • C1155 FORD 41,708 Views
    Left Front Wheel Speed Sensor Input Circuit Failure
  • C1143 NISSAN 40,845 Views
    Steering Angle Sensor Circuit
  • C0200 TOYOTA 39,196 Views
    Right Front Wheel Speed Sensor Signal Malfunction
  • C0210 TOYOTA 39,132 Views
    Right Rear Wheel Speed Sensor Signal Malfunction
  • C0045 CHEVROLET 38,297 Views
    Left Rear Wheel Speed Sensor
  • C0215 TOYOTA 37,273 Views
    Left Rear Wheel Speed Sensor Signal Malfunction
  • C1233 FORD 35,218 Views
    Left Front Wheel Speed Sensor Input Signal Missing
  • C0205 TOYOTA 35,014 Views
    Left Front Wheel Speed Sensor Signal Malfunction
  • C0278 TOYOTA 34,122 Views
    Open or Short Circuit in ABS Solenoid Relay Circuit
  • C0055 CHEVROLET 33,431 Views
    Rear Wheel Speed Sensor Circuit
  • C0050 CHEVROLET 33,370 Views
    Right Rear Wheel Speed Sensor
  • C1170 33,035 Views
    PRNDL Switch Circuit Failure
  • C1201 30,375 Views
    Engine Control System Malfunction
  • C1249 TOYOTA 30,047 Views
    Open in Stop Light Switch Circuit
  • C0237 CHEVROLET 28,548 Views
    Erratic Rear Speed Signal
  • C1234 28,409 Views
    Right Front Wheel Speed Sensor Input Signal Missing
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Ford F150 1998 Ford F150
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Toyota Echo 2000 Toyota Echo
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Toyota Highlander 2001 Toyota Highlander
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Toyota Prius 2004 Toyota Prius
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Scion xB 2005 Scion xB
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