Two problems related to abs brake fail have been reported for the 2006 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 GMC Sierra 1500 based on all problems reported for the 2006 Sierra 1500.
My 2006 GMC Sierra 1500 with 25000 miles on it had both front wheel abs sensors failed. Causing engaging of the anti lock brakes, when brakes is depressed when moving at less than 10 mph.
Abs system failure, clean sensors works for a while then warning lamp lite comes back on.