If you are investigating ABS activation at very low speed, save every stored and pending code before clearing anything. Read ABS codes and compare individual wheel-speed data during a controlled professional test. Record the engine temperature and load alongside the reading; the same value can mean different things in different conditions.
A basic reader may not access every module. Check tire sizes and visible sensor wiring damage without reaching near hot or moving parts. Use the exact vehicle’s service information to interpret the result.
Quick educational note
For information, not a diagnosis or repair instruction. Vehicle-specific checks are still required. Consult the manufacturer's guidance and a qualified technician.
How to use this information
This article explains general principles and does not establish what is wrong with your vehicle. Read the content limitations.