Drain tube blocked?

[Bobs Rav4]

We have a 2022 Rav-4 and the passenger side carpet is a lake.  I called two different dealers and they both quickly said, without looking “ a spider has made a nest in the A/C - heater drain tube” plugging the drain tube so water just overflowed into the passenger side floor.

So this is a known design flaw!  I have owned three Camry’s, three Toyota P/U’s, a Venza, a Matrix and none of these vehicles had this problem.

Yet the bandaid Dealer solution is to blow out the drain tube, clear the clog.  That is not a solution to prevent a re-occurrence of the problem.  That is not the Toyota way!  The Toyota Production System has one element called Kaizen, continuous improvement.  After a quick google search, it seems like this problem has been going on for years.  

Has this feedback gone back to the design engineers who can fix the real problem?  

Frustrated

[FROSTYBALLS]

Split away from a 14 year old topic.

[TonyHSD]

Dealers without seen the car first came tell for sure it’s from a blocked tube. 
If you use hvac with ac on you can actually minimise the risk of spiders getting in and making a spider nets. Your problem can be completely different from this, you need a proper look. 

[Bper]

If it's a design flaw I would have thought Toyota would have come up with a solution. It doesn't sound like it would be difficult to resolve.

Perhaps this will be done in a recall at some stage. the fact that is is causing this level of water is not on.

 

[Iain_M]

VW have plastic traps fitted to the drain tubes to stop the spiders. However, with the plastic traps fitted, the lines get easily blocked and the car gets flooded. On my Tiguan, I had the dealer remove the traps and all the drain lines were flushed after I discovered the passenger footwell full of water from the damn sunroof drain. It is a poor design that the car manufacturers have embraced with reference to sunroof drains and it seems to be all of them IMHO.

[Bobs Rav4]

If this issue is not a Warranty issue, does Toyota QC Engineering even know about it?