Table 1 shows two common electrical system related problems of the 2017 Lexus IS.
| Problem Category | Number of Problems |
|---|---|
| Dash Wiring problems | |
| Electrical System problems |
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.
The vehicle Is experiencing a failure of the dual-zone hvac system where the passenger side consistently blows hot air while the driver side Is set to cold. This indicates a failure of the hvac blend door actuator (servo motor), which Is a known Issue for this model year. This failure poses a safety risk as it can prevent proper defrosting and defogging of the windshield during inclement weather, obstructing driver visibility. Also should note while driving, the vehicle becomes excessively loud and behaves as if it Is stuck in the wrong gear, accompanied by a significant loss of engine power. An onboard diagnostic alert has indicated a malfunction in the electronic control of the engine throttle or automatic transmission. This 'limp mode' behavior creates a hazardous situation during highway driving or merging, as the vehicle cannot maintain speed or respond to throttle inputs, increasing the risk of a rear-end collision.