2024 Lexus GX Engine Problems
- Complaints
- 5about this part
- Share
- 25%of 20 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 5 complaints about the engine of the 2024 Lexus GX, 25% of the 20 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“NEW 2024 GX550, less than 2 months and 3,000 miles of ownership- accelerating to 40 mph and vehicle completely shut off, jolting me forward. All lights on dash lit up, power steering failure, engine failure, not safe to drive. It was all I could do to get it off to the shoulder of the road. Extremely dangerous. Had vehicle towed to local Lexus dealer. After 2 weeks master tech determined timing chain snapped causing catastrophic engine failure. Now we wait for Lexus corporate to advise them on how to fix. Both dealer and corporate blaming each other for the lack of communication. …”
NHTSA complaint #11647369, filed 2025-03“Driving to work, the engine became completely disabled which required emergency maneuvering to leave the roadway which had heavy traffic. Received dashboard messages stating the engine malfunctioned and needed to be taken to the dealer immediately. This was a very dangerous situation as the vehicle immediately lost all motive power when the engine stopped working. Dealer diagnosed the issue as related to the timing belt guide, where a part broke causing the engine timing to get out of sync. This ultimately damaged the valves and head in the engine which required replacement. …”
NHTSA complaint #11643654, filed 2025-02Related service bulletins
- 11037200Aug 19, 2026Some 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…
- 11033419May 29, 2026Some 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…
- 11003639Apr 18, 2024Some 2022 – 2024 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU)…
- 11003584Apr 18, 2024Some 2022 – 2024 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU)…
Engine: other model years
Other parts of the 2024 Lexus GX
5 complaintsOther or unknown
5 complaintsBrakes
3 complaintsTransmission and drivetrain
3 complaintsAir bags
2 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsForward collision avoidance
1 complaintsSteering
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2024 Lexus GX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology