ABS Meaning

Anti-lock Braking System; a system intended to reduce wheel lockup during braking.

Review status: source-backed medium Last reviewed: 2026-05-05

Definition

Anti-lock Braking System; a system intended to reduce wheel lockup during braking.

Why It Matters

ABS can appear in fault-code descriptions, scan-tool displays, service information, or driver-facing warning messages. Understanding the term helps you record better diagnostic context.

What To Record

Record the full code, related warning lamps, active or inactive status, vehicle system, and operating conditions.

Diagnosis Note

Glossary definitions are educational. Final diagnosis should use official service information and qualified diagnostic tools.

Related Pages

Sources

  • SAE J1939 Standards Collection SAE International · official · accessed 2026-05-05 · confidence medium

    Source: SAE International, SAE J1939 Standards Collection. This page paraphrases factual fields only and is not a substitute for the original document.

    Open source

FAQ

Is ABS a fault code by itself?

Not usually. It is a diagnostic term that needs context from a full code or system message.

Can ABS have different meanings by OEM?

Some terms are broadly used, but OEM displays and diagnostic procedures can vary.

Does this glossary replace service information?

No. It is an educational reference only.