Usually many models with different equipment, they use the same dash to reduce parts inventories, as a result, you may have unlit "accesories" because your vehicle does not have them. The vehicle has a self check phase when you first turn the key to the "Run" position. Everything you car is equipped with that has a monitor light will light up. you may see bleedover light slighlty illuminating things that are not in your vehicle, but they may be used in other vehicle trim levels. You will know for certain when a light bulb is directly beneath the indicated item..
If the lights light up for traction control for example; when you first turn the key to the Run position, your car is equipped with it. If it has it and the light did not light when the wheels spin, there may be a sensor malfunction that should be checked..
SOURCE: 2005 impala ls the abs light and the traction control light comes
You'll need to have the codes read from the computer. You will have a code that indicates one of the front wheel sensors is bad. This could be the case, but they are very expensive as they are built into the wheel bearing assemblies. It is more likely that the wiring harness between the frame and the part of the front spindle that holds the harness, has broken internally. It is a very common problem and can be repaired with a new wiring harness section or by tracking down the fault and repairing it.
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