[rav4awesomeness]

In the TSB for Canada, I understand they describe 2 possible repairs:

• The one for the cable with #821H1-0R011, which has the new notched connector.
• Depending on the state of the connector of MGR, I understand that the connector on the motor's side can be changed with part #G1149-42010 "Cable Motor #2"

I'm not 100% sure for the second as I can't find any picture of the part nor do I have access to TIS to check the "Q610 (Hybrid Transmission / Transaxle) :Rear Traction Motor: Removal" document. But my guess would be that it is the part that contains the connector on the outside of the motor case and the wires to be connected on the inside of the case.

Good deal

the cable motor 2 is only $158.00 US

G1149-42010 - Hybrid Electric Motor Wiring Harness 2023-2024 Toyota | Bam Wholesale Parts

Buy Your OEM Toyota Hybrid Electric Motor Wiring Harness (g114942010) Online For Your 2023-2024 Toyota Vehicle And Have It Delivered Right To Your Home or Work!

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[Rav4DNorth]

So, I decided to have a look.
Removed the undercarriage plastic cover, cleaned about 1kg of dirt/small rocks/grime and had a look at the connector.
I can confirm that I've got the new version (notched) for my Feb 2021 model.
Cable looks mostly ok but there is still some corrosion happening at the top of the connector - granted, this is way better looking that some of the pictures shared here:
View attachment 180036

View attachment 180037

On the Quebec Facebook group, I've found that the dealership where I'm going for service is aware of the issue and seems to replace cables without too much troubles. I'll call them tomorrow and see if they can inspect my car. I doubt they will replace the cable since I've got the new model (and anyway I don't see the point of replacing with the same piece), but at least I'll see if I can have it noted on record.

Like you mentioned...I still see corrosion starting at the top of the housing around the shielding, so this "fix" is just a band aid that only delays the inevitable corrosion and failure of the cable. Now if you put some water repelling wax in there you are just going to attract and collect more dirt around the cables.

 

[Audi Junkie]

I would hose down that open connector with rubber undercoating spray, or maybe dab it with liquid electrical tape. Make sure its' cleaned first with contact cleaner or brake cleaner.

 

[Kmvreter]

I would hose down that open connector with rubber undercoating spray, or maybe dab it with liquid electrical tape. Make sure its' cleaned first with contact cleaner or brake cleaner.

Not sure about that advice.
I was expressly warned at the time of purchase not to use any kind of spray rust proofing because that would void the hybrid warranty. However, if the harness isn't covered then where does that leave you?

I purchased the Electronic Corrosion Control (ECC) module which has a lifetime corrosion warranty but that is only for body panels. Not sure it would cover electrical even though it isn't excluded in the fine print.

 

[tmel88]

Has anyone heard of this happening with out her Toyota models? AWD Highlander, Or Prius??

 

[Chemicalstorm]

I would hose down that open connector with rubber undercoating spray, or maybe dab it with liquid electrical tape. Make sure its' cleaned first with contact cleaner or brake cleaner.

I'd be a bit wary of doing that at that point. I feel this could be a good way out any warranty/recall that Toyota could issue at a later date. For now, I'll see what I can do with my dealership and will advise later on.

 

[KbRav42021]

Has anyone heard of this happening with out her Toyota models? AWD Highlander, Or Prius??

From what I recall, the latest gen RAV4 is the only one with the connector in this position. Some of the other models have the connections rotated higher up, away from road dirt/salt spray.

 

[Chemicalstorm]

Called the dealership that told me the issue was most likely limited to 2019-2020 models, but was still OK doing an inspection. Told them that I noticed some corrosion happening and would like a more detailed inspection as I did not take the plug cover off. So I got my appointment on monday, will report back what they tell me.
I was pretty happy that they told me that it would only take 10min, given that it took me 30min to do so in my cramped garage with a jack/jack stand

 

[Kmvreter]

Called the dealership that told me the issue was most likely limited to 2019-2020 models, but was still OK doing an inspection. Told them that I noticed some corrosion happening and would like a more detailed inspection as I did not take the plug cover off. So I got my appointment on monday, will report back what they tell me.
I was pretty happy that they told me that it would only take 10min, given that it took me 30min to do so in my cramped garage with a jack/jack stand

A proper inspection should take longer because it takes a least 10 min of wait time after pulling the HV plug at the battery. Make sure they understand to do it right and pull the orange cover off the connector rather than just dropping the shield to appease you. Ask for pics.

 

[unagi48309]

From what I recall, the latest gen RAV4 is the only one with the connector in this position. Some of the other models have the connections rotated higher up, away from road dirt/salt spray.

Do you happen to know if the Venza has this issue? If I recall correctly, both Venza and Rav4 share the same platform

 

[KbRav42021]

Do you happen to know if the Venza has this issue? If I recall correctly, both Venza and Rav4 share the same platform

Sorry to say, but looking at wiring diagram, the connections look to be oriented in the same direction. I don’t know if there is difference in protecting plates.

 

[tecas2info]

Friend of mine had his rear HV cable replaced last winter. Warranty!

I just phone my dealer service manager and he said that with my Platine Plan, the replacement of the cable is cover.

 

[crazyhorse]

I just phone my dealer service manager and he said that with my Platine Plan, the replacement of the cable is cover.

Even if the failure is due to corrosion caused by salt or environmental conditions? It would be good to have something in writing too.

 

[14v6]

Even if the failure is due to corrosion caused by salt or environmental conditions? It would be good to have something in writing too.

View attachment 180058
View attachment 180057

That section you are referencing I believe is not from the Platinum Plan.

The press release back in 2019 when Toyota increased the warranty on the hybrid battery said that the rest of the HV components would be covered for 8 years 100,000 miles. Now they say that the cable isn't part of the hybrid system. I get it about a salt exclusion but everyone knows a bare wire will corrode when exposed to salt. Toyota needs to be more specific as to what parts are not covered, their messaging is inconsistent.

Toyota Extends Battery Warranty for Model Year 2020 Hybrid, Plug-in, and Fuel Cell Electric Vehicles - Toyota USA Newsroom

PLANO, Texas (October 10, 2019) – With 20 years’ experience and more than three million alternative fuel vehicles sold in the U.S., Toyota is putting more power behind its hybrid battery and component warranty.

pressroom.toyota.com

 

[crazyhorse]

That section you are referencing I believe is not from the Platinum Plan.

The press release back in 2019 when Toyota increased the warranty on the hybrid battery said that the rest of the HV components would be covered for 8 years 100,000 miles. Now they say that the cable isn't part of the hybrid system. I get it about a salt exclusion but everyone knows a bare wire will corrode when exposed to salt. Toyota needs to be more specific as to what parts are not covered, their messaging is inconsistent.

Toyota Extends Battery Warranty for Model Year 2020 Hybrid, Plug-in, and Fuel Cell Electric Vehicles - Toyota USA Newsroom

PLANO, Texas (October 10, 2019) – With 20 years’ experience and more than three million alternative fuel vehicles sold in the U.S., Toyota is putting more power behind its hybrid battery and component warranty.

pressroom.toyota.com

Of course. My point is that a verbal statement from a service manager has little value to me. I want to see it in writing.

 

[Kmvreter]

Wording in a press release also has little value. The question is the fine print in the warranty.

 

[Marcd]

+1 on post #5 @Maudie. Your "salty" winter roads caused the corrosion.

YES, wire is corroded. BUT, it is NOT a manufacturing defect. Sorry.
3-4years of salt and clearly NOTregularly rinsing the undercarriage during those 3-4 harsh salty winters took its tool on the wiring connector/harness.

1) IF you were in the USA, you would be able to call Toyota to complain, and/or ask for "Goodwill" service. This is 100% discretionary by Toyota. The determining factors seem to be how far out of warranty you are, and if you have been doing PAID service at a Toyota dealership. If you are NOT too far outside of warranty (time/mileage) and you have been doing a lot of paid service, your chances of getting "Goodwill" are good. Again, it is 100% at Toyota's discretion. You should call your dealership and Toyota CAN to beg/plead your case.
2) The part # you provide is about $1600-$1700 range, depending on which online Toyota dealership one buys it from. A used part from a RAV4 hybrid at a salvage yard would be your cheapest option. Online sites that sell used parts would be your second cheapest option.

It will be a pain to replace that harness, but it can be done DIY, if you have the inclination, skills, tools, and Techstream.

Good luck to you.

Lol your working for toyota dont u ??? So first time toyota hear that in canada we put salt on road . Your a dumbass . 6000$ for a cable .toyota should pay or they should not sell there chit in canada .

 

[14v6]

The Original Tech tip is categorized as follows:

Service Category: Engine/Hybrid System

Section Hybrid Battery/ Battery Control System

I'm trying to figure out if the Platinum covers these sections/categories. Furthermore, in the states we have an emissions warranty which has an 8/80 provision (I'm in New York) in there and it does say hybrid system. I don't understand how with 5k battery packs and 4k cables how the hybrid is so similar in price to the gas model and for insurance as well. I really like these hybrids so I'd like to get protection past the 3/36. I think though that if the issue becomes widespread as the rust works its way in over the years, and with reports now in the media, Toyota will have to do something. No one wants to spend 5k or more on repairs a day past the 3/36.

 

[rsxhockey]

Just found out about this issue this week (I'm in Quebec)
Not happy about this, but lucky me, I still have 12 month left on my standard warranty, hoping things get fix by then.
Can't beleive this part is not sealed... and the new part wide open...seriously !
The protective braids seems to be helping trapping dirt into the part...that dirt end up trapping everything and corrosion goes up to the connector...
the picture on page 1 is pretty scary...makes you wonder if they cross a muddy river at some point !
If Toyota doesn't adress this in the next 12 month, I think I'll try drilling some drain holes at the bottom like someone said.
To me this would be the best idea, let water leave the part, and it keeps the braid and wire better covered ...
But If a recall comes after 12 month...would I have problems ?

 

[Audi Junkie]

Not sure about that advice.
I was expressly warned at the time of purchase not to use any kind of spray rust proofing because that would void the hybrid warranty. However, if the harness isn't covered then where does that leave you?

I purchased the Electronic Corrosion Control (ECC) module which has a lifetime corrosion warranty but that is only for body panels. Not sure it would cover electrical even though it isn't excluded in the fine print.

Well, I wasn't talking about a theoretical or passive approach, I meant a physical and literal way to fix it. I've used plenty of rubber coat restoring cars, and the wiring too. On a bunch of bare wires, with iffy metal connections open under the car, don't you think some protection would work better than none (in the physical world?)

If I was out of warranty, I would disassemble the connector, light spray the metal connectors, WD is made for this. Then I'd splay the wires apart, clean with electrical connector or brake cleaner (not WD) and give them all a nice coat of premium rubber spray, emphasis on the transition from wire jacket to connector, filling any gap.

Then reassemble with 1 or 2 nice weep holes drilled in the bottom of the cover, about 1/2 inch. That would be my approach. I do work with a BOSCH Service Center, I'm not a n00b.