Buick Lucerne fuse block shorted out, replacement cost 850 after recent ignition module service on Buick Lucerne

Some Buick Lucerne owners report experiencing fuse block issues following ignition module service, with replacement costs potentially reaching around $850. These problems often arise after the vehicle has been driven approximately 80,000 miles, leading to repair expenses that could total up to $800 for necessary components like fuel pumps and relays. Additionally, if an ignition module service has already been performed, owners may face a cumulative cost of $850 to resolve these issues effectively.