charlotteschmid1
Lexus UX automatic transmission parking position error
Summary of the thread
A 2020 Lexus UX is experiencing starting issues, a check engine light, and gear slipping, with diagnostics indicating an automatic transmission parking position error. The problem may be linked to a defective transmission control unit, a common issue in similar cases. It is advised to seek professional diagnosis and repair at a workshop to address the potential control unit defect.
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4 comment(s)
charlotteschmid1 (community.author)
Thanks for your insights. The error refers to a possible defective control unit. The gear shifter seems okay, but how extensively did this problem affect your car? Did you experience similar slipping?
sarah_tiger62
Yes, the slipping was very similar, and the error code pointed towards the control unit as well. I'd strongly recommend taking it to a workshop for a proper diagnosis. It seems like an affected control unit is quite a common issue. For me, the final repair costs totaled around 1000€.
charlotteschmid1 (community.author)
Thank you for the advice! I will book an appointment with a trusted workshop right away. It's reassuring to know that others have faced and resolved similar problems. I'll post the outcome after the repair.
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LEXUS
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UX
sarah_tiger62
I had similar transmission issues with my UX. Does the error specifically mention a faulty transmission sensor or control unit? I would check the gear linkage as well. Is the gear shifter moving smoothly?