2020 Lexus GS 350: common problems
The maker issued 38 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 38
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 19 |
| Electrical system | 0 | 0 | 6 |
| Engine and cooling | 0 | 0 | 4 |
| Wheels | 0 | 0 | 4 |
| Powertrain | 0 | 0 | 3 |
| Air bags | 0 | 0 | 2 |
| Engine | 0 | 0 | 2 |
| Service brakes | 0 | 0 | 2 |
| Steering | 0 | 0 | 2 |
| Forward collision avoidance | 0 | 0 | 1 |
| Fuel system | 0 | 0 | 1 |
| Structure | 0 | 0 | 1 |
| Suspension | 0 | 0 | 1 |
| Tires | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Wheels. Wheel runout, cracks, signs of a wheel strike.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- TSB
Some 2013 ? 2022 model year Lexus vehicles equipped with a 2WD drivetrain and the F Sport package may exhibit a clicking noise from the front wheel area during slow (parking lot) speed turns. The clicking noise that…
- TSB
This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine
- Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
- TSB
Some 2005 ? 2022 model year Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this…
- TSB
This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model…
- POL
This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be…
- TT
When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in…
- TSB
This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2021 model year Lexus vehicles equipped with an FKS engine.
- POL
UPDATES TO THE 2014-2021 LEXUS UNIVERSAL FLAT RATE MANUAL
- Lexus Safety Recall and Service Campaign - Technician Certification Requirements
- TT
Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth®…
- TSB
This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Lexus vehicles.
NHTSA lists 38 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 2020 Lexus GS 350?
There are no owner complaints in the NHTSA data for this year; the data comes from 38 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 Lexus GS 350?
NHTSA lists 38 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 2020 Lexus GS 350 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 2020 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.