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Electrical system

2017 Lexus IS Electrical problems

Owners have filed 2 complaints about the 2017 Lexus IS's electrical system with NHTSA - 18% of all its complaints, most recently on March 15, 2026. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.

Complaints
2
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Electrical complaints

Electrical systemEngine & coolingFuel system

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...

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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.

Filed Incident Electrical system · Engine · Fuel / propulsion systemNHTSA 11724450
Electrical systemBody, doors & structure

The contact owns a 2017 Lexus IS 200t. The contact stated that while the vehicle was parked in the rain, water leaked into the dashboard causing the headlights to fail. The contact took the vehicle to an independent mechanic, and it was determined to be a manufacturing defect. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 96,000.

Filed Incident Electrical system · StructureNHTSA 11583922

Lexus IS electrical complaints by year

IS electrical problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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