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ABS Warning Light from Wheel Sensor
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Jika dibiarkan: While the light is on, stopping distances on loose or wet surfaces get worse because ABS is disabled.
Melibatkan tahun model: 2018-Masih dijual
Simptom
- ABS warning light stays on while driving
- ABS and stability functions disabled while the light is lit
- Light appears after driving through deep water or potholes, then clears
- Intermittent light that corresponds to hitting a bump
Punca
A wheel speed sensor can fail or get fouled by metal debris, cutting the speed signal to the ABS module. Sensor failures are among the most commonly cited causes of the ABS light in Myvi owner groups. On some cars the wiring harness to a sensor survives. On D20N Myvis the front sensors carry Perodua-style codes of the 89542-BZ120 / 89543-BZ120 type as listed by local parts sellers, but sensor codes vary by position and year, so confirm before ordering.
Penyelesaian
A workshop reads the stored ABS code and it names the wheel. Tell them when the light came on, whether it was deep water or a pothole, and whether it clears by itself. That story points at dirt on a sensor rather than a dead unit. A basic scan runs RM80 to RM150, a full all-module read RM150 to RM250, and most shops waive the fee if you book the repair with them. A replacement sensor lands around RM190 fitted. Braking feel stays normal with ABS disabled, but stopping distances on loose or wet surfaces get worse, so do not sit on it for months.
termasuk pemasangan · tanpa tarikh
The ABS light warns about a system you cannot test from the driver’s seat. It either works or it does not, and you find out on a wet road. That is why the first step is a scan, not a guess about which corner is at fault.
Two things are worth saying to the workshop before they start. When the light appeared, and whether it has ever cleared. A light that comes and goes with rain is a different job from one that has been on for a month.
And if a shop quotes four sensors before anyone has read a code, walk. The module already knows which wheel is unhappy.
Nota komuniti
A light that shows after heavy rain and clears on a dry day usually points at a fouled sensor tip, not a failed sensor. Owners report the fault going away on its own after a dry spell. Constant-light cases tend to end in a sensor swap, and position matters, since fitting the wrong side throws the fault back on the next drive. Ask for the code number on the invoice.