The ABS (Anti-lock Braking System) warning light illuminates in your car to indicate an issue with the anti-lock braking system. Let’s delve into the reasons why this light might come on and what you should do:
Low Brake Fluid:
The brake fluid plays a crucial role in controlling braking pressure within the ABS system.
If there’s a leak from the brake fluid reservoir or excessive air in the system, the ABS warning light may illuminate.
Action: Check the brake fluid level and address any leaks promptly.
Faulty Speed Sensor:
Each wheel hub has a speed sensor that calculates the movement rate of that wheel.
If a wheel is moving too slowly, the ABS system increases brake fluid pressure to allow normal wheel movement.
A malfunctioning speed sensor triggers the ABS warning light.
Action: Inspect and replace faulty speed sensors as needed.
Corroded ABS Module:
Over time, the ABS module can develop corrosion.
Corrosion affects communication within the ABS system.
Action: Consider cleaning or replacing the ABS module if necessary.
Other Causes:
Worn Brake Pads: Worn brake pads can impact ABS performance.
Electrical Issues: Problems within the ABS system’s electrical components can trigger the warning light.
ABS Control Module: Malfunctions in the ABS control module may lead to the light coming on.
Action: Have a professional mechanic diagnose and address these issues.
Remember, the ABS warning light is an early warning sign that your braking system needs inspection. Ignoring it could compromise your safety. When you turn on the ignition, the ABS light should briefly come on as part of system diagnostics
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