One problem related to brake electric antilock has been reported for the 2006 GMC Sierra. The most recently reported issues are listed below.
The contact owns a 2006 GMC Sierra. The contact was driving approximately 5 mph on normal road conditions with the brake pedal engaged which was followed by an activation of the anti-lock brake system. The failure occurred intermittently. An authorized dealer was notified of the malfunction. The failure mileage was 18,000. Updated 3/8/10 updated 05/10/jb.