Lexus Rx400h owners have reported 22 engine and engine cooling related problems since 1996. Table 1 shows the 7 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (10 problems). The second most common problem is related to the vehicle's car stall (6 problems). For details of each of the problem category, use the links in the table.
The contact owns a 2008 Lexus Rx400h. The contact stated while driving approximately 75 mph, the vehicle stalled. The contact stated that several unknown warning lights were illuminated. The contact was able to restart the vehicle and the check engine and the hybrid system maintenance warning Read details...
While driving from florida to fairfax, CA the vehicle stalled ~10 time unexpectedly with loss of power brakes and power steering, making a very dangerous situation. The "check hybrid system and check vsc system" showed on the dash. Clearing the codes restarted the vehicle. Read details...
2010 vehicle stopped abruptly; Lexus says hybrid system failed (covered) v but required new radiator and converter (4500). 2016 traveling on freeway and burning industrial plastic coming from a/c ; Lexus says can't find the issue, but four remedies for possible problem on internet; which one is it? Read details...
No failure, yet. But vehicle (Lexus Rx400h - 2006) is a hybrid. There is a separate cooling system for the hybrid components (inverter, and electric motors in transaxle). Coolant is leaking from the transaxle. If all coolant leaks out, the inverter will fail. Read details...
Vsc system warning light came on. Parked the car as it shut off. Car won't start. Warning light says check hybrid system. When trying to start car will say put car on park before starting. Same problem as seen in recalls for 2006 Lexus hybrids. Read details...