Buick Lucerne owners have reported 2 problems related to ignition module (under the electrical system category).
2008 Buick Lucerne. Consumer writes in regards to door locking problems. The consumer stated the doors would lock on their own. A few weeks ago, the doors locked with the consumer still inside the vehicle, and she was unable to get out, even though she pressed the unlock button. The door lock problem was intermittent. Also, the vehicle stalled, and the vehicle had to be towed. The ignition , module was replaced.
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2007 Buick Lucerne engine will shut down without any notice. Consumer states that the engine problems have been on-going for some time now and would like to have the vehicle replaced by the dealership. The consumer stated the engine cranked, but would not start. The dealership claimed the problem was a defective ignition control module and various electrical connections were loose and corroded. The vehicle shut down on 7 different occasions. The left rear window would not close. The problem was diagnosed as a twisted regulator cable.
See all problems of the 2007 Buick Lucerne.