Is the ABS system on a ten year and 120,000 mile old car worth fixing?

Car should be good for 10 years/120,000 miles more.  Do you want ABS or not?

Yes, that is worth fixing- as much as you value your life.

if you read my last reply then you would have the answer , either pay to fix it , or pay for a new car , yes brakes need replacing eventually .

It depends.

If you plan on keeping and driving the car, then it may be worth getting quotes to fix it.

Depends on the overall condition of the vehicle. My eleven year old car has 28,000 miles on it. I plan on keeping it at least another five years.

The main difference between an ABS and non-ABS braking system is that with ABS, you have wheel sensors that can go bad and the ABS module itself that can go bad. With the car I have, replacing the ABS module and all four wheel sensors would run about $1,200.  

If it doesn't pull L or R, stops correctly and evenly, it can wait. JMHO

If you hope to sell it, yes. 

That depends on why the ABS light came on. Have the ABS codes read with a real scan tool. OBD II code readers don't work for ABS codes. Depending on what your vehicle is it may just be a $30 wheel speed sensor gone bad.

If it is a car you are planning on using, yes!

Fixing a ABS brake system right is worth the few extra dollars. Driving it with a bad brake system is a violation of the law and shows a lack of common sense.

Fixing the ABS will more then likely be cheaper then replacing the car.

Yes.  If you drive the car you need brakes that work.