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sebastiandrache66

CT200h Stiff Shaking Steering

I am experiencing an issue with my 2017 Lexus CT200h hybrid. At 117081 km, I've noticed increased effort required when steering, almost as if the power steering is failing intermittently. Additionally, the steering wheel vibrates/shakes at times. I suspect a defective steering angle sensor, possibly due to faulty coding. Has anyone encountered this?

Summary of the thread

A 2017 Lexus CT200h hybrid exhibited increased steering effort and occasional steering wheel vibrations, suggesting a potential power steering issue. The suspected cause was a defective steering angle sensor, possibly due to faulty coding. A similar issue in another vehicle was resolved by recalibrating the steering angle sensor and checking wheel alignment. The problem was ultimately resolved by recoding and recalibrating the sensor, costing 195€.

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4 comment(s)

paulaschulz2

That sounds frustrating! I had a similar problem with my old Opel Astra after changing the wheels. The symptoms were almost identical, though not on a hybrid car. Have you checked the wheel alignment recently? It might be contributing to the issue alongside the sensor.

sebastiandrache66 (community.author)

Wheel alignment was performed approximately 10000 km ago. While I appreciate the suggestion, the symptoms point more directly to a sensor malfunction. Could you elaborate on how the wheel alignment affected your Opel's steering?

paulaschulz2

Sure. After the wheel change, the car was pulling to one side and the steering was heavy, much like you described. I thought it was just the new tires at first, but the shaking started soon after. It turned out that changing the wheels had messed up the wheel alignment, and the car's computer was misinterpreting the steering angle because of that. The shop needed to recalibrate the steering angle sensor. My suggestion is to take it to a workshop to properly diagnose it. They will check the sensor's coding and alignment.

sebastiandrache66 (community.author)

Thank you for the clarification and advice. I took it to a trusted workshop, and you were correct; the steering angle sensor coding was faulty. Recoding and recalibration, along with a sensor check, cost 195€. Problem solved.

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LEXUS

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CT200H