We don't have a lot of Lexus LS 400 electrical problems on file — feel free to add yours here. The most common LS 400 electrical problems cost $300 to fix & occur at 87,000 miles. Click on a year below.

Worst Electrical Problems
ecu/ecm stops working 1992 Lexus LS 400
starter failed causing more problems 1991 Lexus LS 400