One problem related to electrical failure has been reported for the 2001 Buick Lesabre. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Buick Lesabre based on all problems reported for the 2001 Lesabre.
Electrical system failure wont start, cant roll windows when you put the key in the ingniton said driver unkown, lights come on, but radio wont, play , good battery had it tested. Wont jump start nor can you lock car with key but sytem security light is on when doors are shut no interior light comes on . Side door may have gotten wet when window was down, already had a side door module put in. Had own star in the car but havent had it reactivate, dont know if it could cause system failure . Driving a renting car now , when left for a long periods of time car will reset itself and sart. Took to car dealer and was inform that car had to not be working to test. Tried to sart this moring after not starting for 24hours and towed to the dealer this moring theyare still working on car and its been three days now cant find anyting worng with it.