Engine wiring harness safety recall (model year 2016–2018)

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Toyota is conducting a safety recall involving certain Prius vehicles | Toyota USA Newsroom

 

here’s hoping some kind soul could post a diy like some of the previous recalls

 

(copied from Toyota Owners' website)

Description
Safety Recall J0T (Interim J1T) - Interim Notice Certain 2016 - 2018 Model Year Prius Engine Wire Harness

The subject vehicles have an engine wire harness which is connected to the hybrid vehicle Power Control Unit. A portion of the wire harness could contact the cover at this connection and wear over time, causing an electrical short circuit, which can generate heat. If sufficient heat is generated, there is an increased risk of a vehicle fire.

Remedy
Toyota is currently preparing the remedy for this issue. When the remedy becomes available, Toyota dealers will check the engine wire harness assembly. If a wire core is exposed, the engine wire harness assembly will be replaced with a new one that includes a protective sleeve. If a wire core is not exposed, protective tape will be installed on the engine wire harness assembly. The repair will be performed FREE OF CHARGE to customers.

For answers to frequently asked questions, please click:.
https://techinfo.toyota.com/techInfoPortal/staticcontent/en/techinfo/html/prelogin/docs/cp/j1ttofaq.pdf

 

If the remedy is just some tape, I’d say you could DIY it.

 

Thanks

 

The work instructions will eventually be posted on NHTSA’s website. There’s nothing there or on the Japan MLIT recall page yet, but Toyota’s website in Japan has an announcement and illustration with a few more details (all pages in Japanese).

The key repair information will be the parts of the wire harness to inspect for damage, the kind of tape to use, and where and how to apply it. You can get a general idea on the first point from the illustration from Japan: the red circle, near the low-voltage connector on the top of the inverter with converter assembly (labeled “PCU,” power control unit), highlights the area of possible failure.

 

Thanks to Google Translate Japanese to English:
NOT sure how to read 'Target Vehicle section Paragraph 2 and 3...
Picture was a graphic .gif and did not translate... but shows location.

Recall of Prius, Prius PHV, C-HR
Report number 4327
Recall start date September 6


Regarding parts of vehicles of Prius, Prius PHV, C-HR produced in Heisei 20 through Heisei 30, Heisei announced the recall of the following contents to the Ministry of Land, Infrastructure and Transport on September 5,
We regret to apologize for any inconvenience, but we will guide you from Toyota dealer so we ask that you inspect and repair.

Whether the customer's favorite car is the target vehicle or not can be confirmed by recall etc. information subject vehicle search .


Improvement location explanation drawing

1. Problem status
In the electrical wiring in the engine room, due to lack of consideration of assembly variation, there is a wiring that interferes with peripheral parts at a place without a protective cover. As a result, the covering of the wiring may be damaged due to vibration during running, causing short-circuiting between the wiring and heating, resulting in burnout. In the worst case, there is a danger of vehicle fire.

2. Content of improvement
Inspect all vehicles, wiring concerned and add protective materials for those with no damage to the covering. Also, if the covering is damaged, replace it with a new one with added protective material.

3. Target vehicle
Type expression Common name
Chassis number that includes the target car production period
Number oftarget vehicles Remarks
DAA-ZVW 50 Prius ZVW 50-6000001 to
ZVW 50-6133476 October 26,
Heisei 20 - May 15, Heisei 20 132,568


ZVW 50-8000001 to
ZVW 50-8083918 October 26,
Heisei 20 - May 15, Heisei 20 83, 353
DAA-ZVW 51 ZVW 51-6000001 to
ZVW 51-6069170 October 26,
Heisei 20 - May 16, Heisei 30 69, 002
ZVW 51 -
800 0001 to ZVW 51 - 8044 194 October 26,
Heisei 20 - May 14, Heisei 20 44,097
DAA-ZVW 55 ZVW 55-8000001 to
ZVW 55-8062717 October 26,
Heisei 20 - May 15, Heisei 20 62,593
DLA-ZVW 52 Prius PHV ZVW 52-3000101 to
ZVW 52-3084418 August 31, Heisei 28 -
May 15, Heisei 30 33, 630
DAA-ZYX 10 C-HR ZYX 10-2000001 to
ZYX 10-2131895 November 8, Heisei 28 -
May 14, Heisei 30 128, 627

Caution:
1. Vehicles that are not covered are included in the range of the chassis number that includes the target car, so please contact the nearest Toyota dealer for details.
2. The production period of the target car is different from the time of purchase.

 

Just take it to your dealer when details are revealed - it'll be a recall, means TOYOTA'll pay for it. Plus - it may not be all VINs till we see the final recall notice in our own countries.

 

Here is a picture of what is depicted in that Japanese diagram. There is tons of gap so I’m not sure how it could possibly rub.

 

The announcement from Japan refers to 組付ばらつき (assembly variation), so it may well be that your car and mine don’t exhibit the problem. Perhaps the wire bundle from connector C33 (the rightmost of the two connectors on top of the inverter with converter assembly) wasn’t always placed in the same way as it enters the protector.

 

I checked my VIN on the website and clearly mine has the recall. Can't everybody do that?

 

It wasn't working last night - I'll try again.

[EDIT - it's still not up on the TOYOTA Australian Recall listing]

 

It looks good to me.

Maybe Mendel can put a circle around the affected area, and repost this picture. I haven't mastered that trick yet. Thanks.

 

My Prime is not on the recall list, as is also confirmed by the updated article in the news. But I checked by VIN anyway. Nope. Maybe they'll expand the recall, but until if/then, there's nothing to see here if you own a North American Prime.

 

My 2017 Prime is not but my 2016 Prius is on the recall. The picture I posted was from the Prius

 

How many kilometres/miles has your 2016 done? - when I looked at your photo, compared with my May 2016 ca - which I'd just gone outside to look at - mine is almost spotless, like the photo from Starship, yours looks like it's been somewhere quite dusty/dirty, or done a lot more work than mine (34,000km on mine).

 

39k Miles.