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Only if the warning light showed on the dash...most often these abs sensors get clogged with brake dust or dislodged during wheel swaps if the pads are fine and fluid level correct...first check the brake pads then the disks and clean the sensors with an old toothbrush and reseat, also check the fluid level on the abs system.this should clear warning light.but any error codes stored on ecu need to be cleared using obd.
You can't turn out the vehicle speed control/traction lights without a scanner/code reader. The light is on because it has detected a problem with this system. The ABS controls the VSC. You need to have the codes scanned and determine what is at fault
Finding the fault code will not clear the problem if you reset the system without finding the cause the light will just come on again or the fault code will not clear.
Anything related to brakes should be checked out by a garage/mechanic and not ignored.
Its probably just an abs sensor failed but its better to be safe than sorry.
Sorry for the lecture but I wouldnt like to see anyone hurt due to brake system failure.
Not all OBD-2 scanners are created equal. Most only read power-train (engine/transmission) codes and are not capable of reading ABS codes. Some scanners even have a specific button you have to press to get ABS codes. Try a different scanner. I know places like Auto Zone will scan codes for free but not every store has the same reader. The AZ nearest to me has the ABS capable scanner while the one on the other side of town can't read ABS codes.
Some auto parts stores have pressure testers to check the seal on your gas cap to ensure it's not loosing pressure or you can buy a new one. I would suggest checking your vehicle for trouble codes first to be sure though. If it's your gas cap it will be an evaporative emissions control code. Your abs system requires a separate scanner to check for problems but usually it is just the sensor that goes bad and needs to be replaced.