One problem related to fuses and circuit breaker has been reported for the 2003 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Yukon based on all problems reported for the 2003 Yukon.
Complete loss of power on the highway while driving 65 mph. The dealer diagnosed the problem as a fuse and faulty fuel pump but could not gaurantee that the problem would not recurr.