One problem related to electrical failure has been reported for the 2004 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Cadillac Deville based on all problems reported for the 2004 Deville.
: the contact stated after owning the vehicle for 45 days the electrical system failed. All dash board lights completely went out without warning, the door locks opened and closed intermittently. The vehicle has been seen by the dealer a total of 11 times and is currently in the shop. The dealer made undetermined repairs each time and the problem always returns. Speed has never been a factor in the electrical failure, as it occurs at a variety of speeds.