Auto Systems and Repair: ABS Control Module

Symptoms of Wear or Failure

  • Illumination of the ABS warning light
  • A failing ABS control module can turn on the ABS light and disable the traction and stability control systems (if equipped)
  • In some cases, the speedometer will stop working and the Check Engine Light will come on
  • A malfunctioning ABS control module can cause abnormal braking behavior when braking at low speeds

Related Repair Advice

  • The ABS control module continuously performs diagnostic self-checks. If it finds a problem, it will shut down the system and illuminate a warning light.
  • On some vehicles, it will be necessary to flush the brake system with new fluid when replacing the ABS control module
  • On newer vehicles, the module may need to be "programmed" before the vehicle is driven

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