my abs and brake light are on in my 1999 Dodge ram 1500
Feb 17, 2013 at 6:59 AM
CARADIODOC
✓Experienced Mechanic
34,400 POSTS
The computer detected a problem, set a diagnostic fault code, turned the system off, and turned the light on to tell you. Your mechanic will read the fault code. That will indicate the circuit or system that needs further diagnosis.