Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop
Lexus technical service bulletin L-SB-0042-25 Rev2 for 2024-2025 Lexus GX.
- Bulletin number
- L-SB-0042-25 Rev2 (L-SB-0042-25 Rev2)
- Component
- Power train
- Summary
- Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop. The Electronic Controlled Transmission (ECT) ECU logic has been modified to address this condition.
Owners of these vehicles have filed 5 complaints in the transmission category.
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