2025 Lexus GX: common problems
The maker issued 45 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 45
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3.4 L · petrol · turbo · 6 cyl
- automatic, 10-speed
Drive: 4WD
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 13 |
| Structure | 0 | 0 | 11 |
| Service brakes | 0 | 0 | 6 |
| Powertrain | 0 | 0 | 4 |
| Equipment | 0 | 0 | 3 |
| Engine | 0 | 0 | 2 |
| Suspension | 0 | 0 | 1 |
| Wheels | 0 | 0 | 1 |
| Other | 0 | 0 | 5 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Some 2024 – 2026 model year GX 550 vehicles may exhibit a vibration at idle when in drive
The Engine Control Module (ECM) logic has been modified, in addition to improved exhaust hangers, to help improve this condition
- Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h…
Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse
- Some 2024 – 2026 model year GX 550 vehicles may exhibit a vibration at idle when in drive
The Engine Control Module (ECM) logic has been modified, in addition to improved exhaust hangers, to help improve this condition.
- 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.
- Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h…
Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
- Some 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a…
Some 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The…
- Some 2024 – 2026 model year GX 550, 2022 – 2026 model year LX 600, and 2025 – 2026 model year LX 700h…
Some 2024 – 2026 model year GX 550, 2022 – 2026 model year LX 600, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
- OBSOLETE NOTICE November 21, 2025
This bulletin is now obsolete. Please see L-SB-0053-25
- Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop
The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition
- Some customers may experience operational difficulties with some telematics features which they cannot…
Some customers may experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to…
- Some 2024-2025 model year GX550 vehicles may exhibit a harsh downshift when slowing to a stop
The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address these conditions.
- The new TPMS sensors in 2024 and newer GX550 and 2025 UX300H vehicles are equipped with a noise reduction…
The new TPMS sensors in 2024 and newer GX550 and 2025 UX300H vehicles are equipped with a noise reduction mode that reduces battery consumption when exposed to specific frequency radio waves.
NHTSA lists 45 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2025 Lexus GX?
There are no owner complaints in the NHTSA data for this year; the data comes from 45 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2025 Lexus GX?
NHTSA lists 45 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2025 Lexus GX from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2025 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.