In this guide 7 sections
Understand what is happening first
An ABS light remaining on while driving indicates a fault in the anti-lock function, not necessarily loss of basic braking. Accompanying symptoms and lights change the decision.
Safety decision before inspection
If ABS comes with a red brake light or weak stopping, stop safely and seek assistance. If isolated, follow your manual and arrange prompt inspection.
Observations that help identify the direction
- Confirm whether ABS is alone or accompanied by a brake warning, and read the manual text.
- Mention changed pedal feel or recent wheel work without emergency-braking tests to see whether the system works.
What should you request from the specialist?
Start with the information that distinguishes the symptom
Request ABS-code reading and checks of relevant data and connections.
Evidence before component replacement
Do not buy a wheel sensor from the code name alone; confirm the circuit and source.
Avoid this action
Do not clear the warning or remove a fuse and then consider the brakes healthy.
Questions to help you decide
Should I brake hard to test ABS?
No. An uncontrolled field test may cause loss of control and does not replace diagnosis.
Read the expanded explanation
Prepare the model name, year, engine and transmission type before visiting the workshop. Inspection procedures and specifications vary; do not transfer another vehicle's result to yours.
Sources and scope of this guide
Prepared editorially for 2uto using the following references on 12 September 2026. The observations organise the problem description and do not establish a cause without inspection.
Your vehicle manual takes priority. Dismantling, pressure, electrical and lifting procedures belong with a specialist; examples from a particular manufacturer do not apply universally.