2010 Lexus RX Hybrid: common problems

Owners of the 2010 Lexus RX Hybrid filed 8 complaints with NHTSA, most often about electrical system and engine. Details by component below, with sources.

Key figures

Owner complaints: 8
involving a crash: 1

What fails most often

1 Electrical system 25% of all complaints
2 Engine 25% of all complaints
3 Fuel/propulsion system 25% of all complaints
4 Service brakes 25% of all complaints
5 Engine and cooling 13% of all complaints
6 Powertrain 13% of all complaints
7 Structure 13% of all complaints
8 Vehicle speed control 13% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Electrical system: 2 complaints (25% of all).
Engine: 2 complaints (25% of all).
Fuel/propulsion system: 2 complaints (25% of all).
Service brakes: 2 complaints (25% of all), 1 of them with a crash reported by the owner.
Engine and cooling: 1 complaints (13% of all).

Symptoms owners describe

How many of the 8 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

won't start2 · 25%
smoke, burning smell, fire2 · 25%
stalls while driving2 · 25%
fuel system, fuel smell1 · 13%
loss of power / limp mode1 · 13%
rust, corrosion1 · 13%
infotainment or screen glitches1 · 13%
warning lights, check engine1 · 13%

Components owners complain about

Component	Owner complaints	involving a crash
Electrical system	2	0
Engine	2	0
Fuel/propulsion system	2	0
Service brakes	2	1
Engine and cooling	1	0
Powertrain	1	0
Structure	1	0
Vehicle speed control	1	1
Other	1	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

Tl* the contact owns a 2010 lexus rx450 hybrid. Ar approximately 6:10am on saturday dec. 10th, in clear weather, while operating her vehicle, she entered a parking area and backed into a yellow barrier post at approximately 10 mph. The contact engaged the vehicle in drive, but the vehicle again reversed.
Service brakes · crash · 2011-12-15 · NHTSA complaint #10440049
Also, during abs diagnostic testing at lexus dealer @ west palm beach, the car failed to start and was in the dealers lot for 2 days before they fixed the issue (replaced some computer).
Service brakes · 2019-01-27 · NHTSA complaint #11172383
After vehicle was towed by flatbed carrier to the dealership for inspection/repair and unloaded at the dealership, the vehicle filled with smoke and lexus technician said luckily one of the dealership employees saw the smoke, let him know, and he disconnected the hybrid electrical system, and had he not done so, it is…
Electrical system · 2018-04-08 · NHTSA complaint #11083871
Less than a minute later all oil drained out, blue fire ball ignited out back of car & engine froze up having catastrophic consequences. Thankfully my daughter was not injured only stranded. However car is dead.
Engine · 2018-03-15 · NHTSA complaint #11079583
Exiting i95 the car had numerous warning lights with a complete loss of power (vsc, check hybrid system, awd system and others). She coasted the car to a parking lot, attempted to turn it off and back on, but there was still no engine or drive power. All dash lights working.
Engine · 2017-01-27 · NHTSA complaint #10947927
While driving 20 mph, the vehicle stalled and the check hybrid warning indicator illuminated. The vehicle was towed to a dealer who stated that the fuel pump failed and needed to be replaced. The vehicle was repaired, but the failure recurred. The manufacturer was notified of the failure.
Fuel/propulsion system · 2014-10-28 · NHTSA complaint #10650741
Hybrid vehicle + kelsey ignition = deadly combination. We accidentally left our 2010 lexus rx450h in the garage with the ignition "on" and turned in for the night. Since it is a hybrid, it makes no sound - even when "running". So we were unaware the ignition was still on.
Electrical system · 2011-11-29 · NHTSA complaint #10437757

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20112
20141
20171
20183
20191

Comparison

By complaint count this model year ranks 11,896 of 36,656 model years in the NHTSA data (top 32% most complained about).

On average one model year of the RX Hybrid has 16 complaints (22 years in the data). This year has 8, below average.

What to check before buying

Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Engine. Cold start, unusual noises, oil leaks and engine codes.
Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.

Other years of this model

Questions and answers

What are the most common problems with the 2010 Lexus RX Hybrid?

Owner complaints to NHTSA most often mention: electrical system, engine, fuel/propulsion system. Total complaints: 8. The most frequent symptoms in complaint texts: won't start (25%), smoke, burning smell, fire (25%), stalls while driving (25%).

How many service bulletins (TSB) were issued for the 2010 Lexus RX Hybrid?

NHTSA lists 0 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 2010 Lexus RX Hybrid 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 2010 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 2026-11-05.