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patriciadrache20

SupraIV Electric Steering Column Defect

I own a 2021 Toyota SupraIV with a gasoline engine. The electric steering column adjustment is defective. Symptoms include an error stored in the error memory, and the steering column can no longer be adjusted electrically. Is a defective cable or plug connection a plausible cause?

Summary of the thread

The 2021 Toyota SupraIV has an issue with the electric steering column adjustment, which is unresponsive and has an error stored in the memory. A defective cable or plug connection is suspected as a plausible cause. After verifying fuses and using a diagnostic device, a connectivity issue was confirmed. A workshop inspection revealed a defective cable, which was replaced, resolving the problem.

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4 comment(s)

christopherwolf1

I experienced something similar with my older Supra. You've checked all the fuses, right? It's always the simple things that get overlooked. Could also be a faulty motor in the steering column itself, though a wiring issue is more common. Did you already check the error code with a diagnostic device?

patriciadrache20 (community.author)

Fuses have been verified. I have access to the error memory and can confirm the error. The diagnostic device suggests a connectivity issue. Could a simple reset solve the issue, or is hardware repair the only option?

christopherwolf1

A reset is worth a try, but generally, if the diagnostic is pointing to a connectivity fault and the steering column is completely unresponsive, it usually indicates a hardware problem. Given the car's age and the error codes, it's probably best to let a workshop do a closer inspection. Prevents you from causing further damage. Frustrating, I know.

patriciadrache20 (community.author)

Thank you for the assessment. I followed your recommendation and consulted a workshop. The defective cable was found and replaced, as predicted. The total repair cost was 95€.

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TOYOTA

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SUPRAIV