ABS/TRACTION control lights stays on sometimes. on my '97 Oldsmobile aurora.

SOURCE: 2002 Oldsmobile Silhouette ABS Light is on and

The first thing i would check is all 4 abs sensors at the wheels.You can do this with a volt meter set on ac voltage and spin the wheel if it generates voltage at all on the meter its good.

SOURCE: ABS LIGHT AND TRACTION CONTROL LIGHT ON DASH

make sure u didnt break a wire, there are sensors on the brakes, make sure theyre plugged in

SOURCE: abs light/traction control light

You can check out what the trouble code is by pushing and holding the information button and the up arrow (right side of instrument cluster above the radio) until all the instrument clusters light. Press the information button (last) to enter test mode. I've had an error C1234, meaning Left rear wheel sensor fault. I found the problem to be a corroded connector under the chasis just under the rear left door about 2 feet in. I had to by-pass (replace 1 wire due to corrosion at the connector.

SOURCE: Engine light and ABS traction control light remain

The ABS sensor is a speed sensor also for Traction Control. This is why both lights are on , One of your front ABS sensors are bad or disconnected, or has a pinched wire.

SOURCE: I have a 2001 Cadillac Deville with the ABS and

Hello: There are many things that will cause the lights to come on. You can check the brake fluid if it is low that will cause the light to come on. you can clear the code with a up scale scanner but if the problem is not corrected the light will come back on.