Lexus IS owners have reported 34 electrical system related problems since 1996. Table 1 shows the 6 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (28 problems). The second most common problem is related to the vehicle's wiring (2 problems). For details of each of the problem category, use the links in the table.
Vehicles manufactured by Lexus/Toyota from 2014 onward have been reported to experience rainwater intrusion into the trunk area, attributed to a faulty tail light nut composed of plastic with a rubber gasket. Read details...
Airbag light indicator Is on and Lexus insisted they replace the entire wiring harness for over 2k due to safety Issues. The price of this repair for an electrical fault Is obscene and Is a common Issue with this model of Lexus according to owner forums. Read details...
The contact owns a 2017 Lexus Is 200 . The contact stated that while parked in the rain, water leaked into their dashboard causing the headlights to fail. The contact took the vehicle to an independent mechanic and where it was diagnosed as being a manufacturer defect. The vehicle was not repaired. Read details...
Headlights randomly turn off at night while driving. Replaced bulbs already and have noticed many Lexus of this year have the same problem. Have to flick lights off and back on to turn on again. Read details...
Odometer fraud. The contact intended to purchase a 2009 Lexus Is 250. The contact stated while test-driving the vehicle, the contact drove to an auto part store for diagnostic testing. It was then discovered that there was a mileage discrepancy. The vehicle was not a sale. Read details...