ABS light and loss of Traction control on 2003 GMC Yukon XL Denali

When driving along and hit a small bump in road my ABS light comes on and then goes off an dthen comes on at another bump, when this happens 3 times the traction control and abs light stay on until I stop and shut off switch and restart then lights go out until I hit 3 more bumps in the road.

by in Bath, ME on January 11, 2011
1 answer 1 comment
ANSWER by on January 12, 2011
Sounds like you may have a bad connection at one or more of the wheel speed sensors causing a signal failure to occur. Get a GM specialist to give it a look. Here's a directory link for you: http://repairpal.com/directory?address=04530&car_brand_names=GMC
COMMENT by on February 08, 2011
another problem just happened traction control on dash comes on and loss of power only can go 15 mph up a hill. readout says traction control disabled and loos of engine power. Any ideas Thanks if you do.

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