Why it said service traction control on 2008 GMC Sierra 1500

Just left work then tractionconrol light,abs light & another one it said service traction control & service track from stayed on till I got home shut truck off started again they stayed off drove forward & back & still stayed off reason why it came on like to know

by in San Jose, CA on January 25, 2014
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2 answers
ANSWER by , January 26, 2014
There are few possible reasons for this, so the best thing to do is have the ABS system scan tested to confirm what the actual problem is! Can't guess at it and hope to get it right!!
ANSWER by , January 26, 2014
Exactly what Pushrod said. It has to be scanned to extract codes. Is it 4WD? The front wheel bearings can make the ABS light come on when they get excessive play. Also there are problems with the 4WD selector switch on the dash.