The ABS system would not cause the vehicle to go into limp mode.
When you say limp mode, can you describe the symptoms to me?
Did you check the brake fluid level? If level is good, try unpluging the reservoir cap wires for the fluid level indicator to check if the light goes away. A faulty sensor in the cap can cause the indicator light to show.
Thursday, January 7th, 2010 AT 3:30 PM