One problem related to dash wiring has been reported for the 2017 Lexus IS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Lexus IS based on all problems reported for the 2017 IS.
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. The manufacturer was not made aware of the failure. The failure mileage was approximately 96,000.