AI Damage2018 Lexus LC: common problems
Owners of the 2018 Lexus LC filed 2 complaints with NHTSA, most often about structure. The maker issued 32 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 2
- Technical service bulletins (TSB)
- 32
What fails most often
- Structure: 1 complaints (50% of all); manufacturer bulletins for this component: 17.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 5 L · petrol · 8 cyl
- 3.5 L · hybrid · 6 cyl
- automatic, 10-speed
- CVT
Drive: RWD
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Structure | 1 | 0 | 17 |
| Electrical system | 0 | 0 | 8 |
| Service brakes | 0 | 0 | 3 |
| Communication | 0 | 0 | 1 |
| Engine | 0 | 0 | 1 |
| Equipment | 0 | 0 | 1 |
| Other | 1 | 0 | 3 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Door handle failure. Well known issue. Internal door actuator commonly fails, causing you to be unable to open the door whether you are inside or outside the vehicle. Repair is also rather expensive.
Comparison
By complaint count this model year ranks 1,862 of 2,102 model years in the NHTSA data (among the 11% least complained about).
On average one model year of the LC has 0 complaints (9 years in the data). This year has 2, above average.
What to check before buying
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Communication. Infotainment, telematics, antennas after body repair.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Some 2018 – 2023 model year LC 500, and LC 500h, 2021 – 2023 model year LC 500c, 2018 – 2023 model year LS…
Some 2018 – 2023 model year LC 500, and LC 500h, 2021 – 2023 model year LC 500c, 2018 – 2023 model year LS 500, and LS 500h, 2015 model year RX 450h, and 2018 – 2022 model year RX 450h vehicles may exhibit a condition…
- OBSOLETE NOTICE February 2, 2026
This bulletin is now obsolete. Please see L-SB-0004-26.
- Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a…
Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
- OBSOLETE NOTICE January 22, 2026
This bulletin is now obsolete. Please see L-SB-0003-26.
- Certain 2018 – 2026 model year LC 500 and 2018 – 2025 LC 500h vehicles are equipped with high-friction…
Certain 2018 – 2026 model year LC 500 and 2018 – 2025 LC 500h vehicles are equipped with high-friction brake pads specifically designed for superior braking performance and response. As a result, the front or rear…
- 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 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 2016 – 2020 model year GS F, 2008 – 2014 model year IS F, 2022 – 2025 model year IS 500, 2018 – 2025…
Some 2016 – 2020 model year GS F, 2008 – 2014 model year IS F, 2022 – 2025 model year IS 500, 2018 – 2025 model year LC 500, 2021 – 2025 model year LC 500c, and 2015 – 2025 model year RC F vehicles with 2UR-GSE engines…
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air…
The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and…
- To assist with the early detection and early resolution of audio related concerns you may be asked to…
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the…
- Some 2010 – 2026 model year Lexus vehicles may exhibit paint stains after the removal of Rapgard™
The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard™. The wrinkles may trap water and cause the paint to stain from the trapped moisture, especially on horizontal…
- Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a…
Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is…
NHTSA lists 32 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 2018 Lexus LC?
Owner complaints to NHTSA most often mention: structure. Total complaints: 2. The most frequent symptoms in complaint texts: door locks, latches, handles (50%).
How many service bulletins (TSB) were issued for the 2018 Lexus LC?
NHTSA lists 32 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 2018 Lexus LC 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 2018 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.