I have an RX350 2020 (4th gen) full option, I’m the second user, the only accident it ever had was a minor sideswipe (barely damaged anything other than the body). For some reason I got these warnings recently:
-AWD failure 2WD engaged
- PKSB Malfunction
- Pre collision system malfunction

I don’t know the reason exactly, could it be from pressure washing the car? Although I had been careful with the sensors. If anyone can enlighten me , that would be great.
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Fixed the issue.
It had to do with the gas tank sensors, as there was an unnoticeable leak on the tank itself.

 

Good catch. How did you/indy/dealer find that? Can you expand a little regarding which sensors and about the leak?