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leonwolf8

Lexus GX Torque Converter Issue

2023 Lexus GX, gasoline engine. 161k km. Getting CEL, trans light, slippage, and grinding noises. Codes point to torque converter. Anyone seen this?

Summary of the thread

A 2023 Lexus GX is experiencing issues such as a check engine light, transmission light, slippage, and grinding noises, with diagnostic codes indicating a torque converter problem. The symptoms worsen under load and in higher gears, suggesting a defective torque converter lock-up clutch. It is recommended to consult a qualified technician for inspection and repair to prevent further damage.

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4 comment(s)

barbara_knight8

I understand you are experiencing issues with your 2023 Lexus GX. The symptoms you describe, along with the stored error codes, do indeed suggest a potential problem with the automatic transmission's torque converter lock-up clutch. Could you provide any further details on the driving conditions when these symptoms occur? Does it happen under specific load conditions or during particular gear shifts?

leonwolf8 (community.author)

Happens mostly under load, climbing hills. Worse in higher gears. More detail needed?

barbara_knight8

Thank you for the additional information. The fact that the issue is more pronounced under load and in higher gears further supports the diagnosis of a defective torque converter lock-up clutch. Given the complexity of the automatic transmission system, I would strongly advise consulting with a qualified automotive technician for a comprehensive inspection and repair. Continuing to operate the vehicle in its current state may cause further damage.

leonwolf8 (community.author)

Appreciate the confirmation. Shop quoted 2120€ for converter replacement. Will proceed.

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LEXUS

community_crosslink_rmh_model

GX