A properly functioning ABS helps the driver maintain control of the vehicle while braking and serves as a foundation for more advanced safety systems like full stability and collision mitigation. ABS is a proven technology, mandatory on most air-braked commercial vehicles manufactured in North America for more than 20 years.
The ABS system often works with the vehicle’s electronic stability control (ESC) full-stability system, if equipped, to help prevent a tractor or trailer’s wheels from locking up and causing skids on surfaces like ice, wet roads, or loose gravel. The Basics of ABSĪntilock braking systems use wheel speed sensors that indicate to the ABS electronic control unit (ECU) if wheel slip is happening. Here’s some tips from Bendix Commercial Vehicle Systems on what to do if you discover an illuminated ABS warning lamp. While ABS violations–indicated by warning lights in the cab or on the trailer–aren’t typically categorized as out-of-service infractions, the technology plays an important role in driver and vehicle safety.
The upcoming Commercial Vehicle Safety Alliance’s (CVSA) International Roadcheck inspection program, May 16-18, will include a focus on violations involving antilock braking systems (ABS).
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