2017 Highlander Stalling SOLVED!! (AWD System Light, P0455, P0441, P0174, P1170, & P0171) 

Thank you for sharing the knowledge. Fixed a 2019 Toyota Highlander LE Plus using your video. Thank you for saving my family hundreds of dollars. Money be tight nowadays.

MY MAN!!!! I was stressing my balls out for over a week trying to find out the root cause, changed/cleaned MAF sensor, cleaned IAC valve 3 times, changed air filter, reset battery countless times and so on .. even my mechanic said he couldn't find any issue cleared code sent me home and my engine light came back in on my way home. this was it!!! AutoZone charges $170 for the part now a days though but it saved me hundreds for sure, nonetheless the nightmares of that yellow check engine light!!! THANK YOU!!!!

Man i love you,thank you sooo much for uploading this informative video. I live in NYC and have Taxi and limousine inspection appointment for tomorrow morning,my awd light just came on and replaced the valve,problem solved. Thanks to you i don't have to worry about not passing the inspection,you saved me🙌🙌🙌💪💪

Thank you . Very straight forward answer 👍🏼

Thanks mehn you are a real genius u saved me alot of bulks, fixed mine yesterday after watching your video.

Mate..my alarm in my 2015 kluger grande just ping with message check AWD system...I thought its gonna be another pain in the ass job like I just installed the new alternator by myself..my car is like over 210 thousands kms and drive like new..thank you for this helpful video help me out so much..cheers

My awd check lights come up on my 2018 Highlander I got the same code when I scanned it at auto zone,but on my way to the mechanic it just disappeared and two weeks later it come back up and do the same thing disappeared

You my friend are a genius! Easy repair even for those of us with little mechanical abilities. Thank you. $159 at O'Reilly's

Easy fix, thanks for the guidance!

I have 2018 Highlander but I have a problem, check engine light on check AWD system. If same issue problem I can fix by myself, if not same problem I'm going to dealer. But thank you very much and I watching the your video maybe I'm going to save some money. ❤ Thank you

Thank you! This was driving me crazy, looking all over for the vacuum leak that I was positive was there, but I just couldn't find. FYI for anyone else this needing this fix, most of the parts shops will have some kind of promo code for some money off. I got 15% using store pickup. I won't name the shop to avoid looking like a shill, but it's one of the nation wide ones.

Thanks for this video,,,, it helped me solve my highlander’s code,,, ❤❤❤

Great video. Thank You! I just had the same problem where car idles rough, won't start after filling up and awd problem, where it seems to drive with only front wheels.

Awesome, saving this video if I ever run into this issue with my 2017 Highlander

Thank You

just happened to me going to repair tomorrow morning🤞🏼

This didn't work, put in new part, engine light still coming on

My car (2019) Toyota Highlander made a huge noise and right away the check engine light and the 4wD sign came on. Is that supposed to made a big noise??

My vehicle shut off in the highway, getting same AWD system in dashboard. Tow away my vehicle to Toyota dealership. Will look forward what they are suggesting

I have the same problem let’s see if this works

You saved the day man I was going to take it to the dealer And they probably would have changed the maf then the o2 sensor then the injectors …😂 If you post your email or Dm me I would totally send you some beer $$

I just did this with my 2021 highlander it’s not working please give us some tips about anything related to the 2020 highlanders

2018 Highlander Check engine light, visit dealer message and check awd system... brought to dealer they couldnt find problem,cleared warning issues. 2 days later while driving home on highway, those message all show back up ??? Anyone have clue what could be wrong

Its happened to me the same issue for my 2017 highlander ..i just removed the negative connection to my battery and its work..

Will this work on a 2016 Lexus RX 350? I have the AWD malfunction switching to 2WD etc.

My car Toyota highlander 2018 XLE same your car but I want where you buy stores. Thank you

Hi I have 2017 Toyota Highlander Xle, problem is I was driving on the highway and suddenly the check engine light came on saying engine power reduced, visit your dealer, the motor start shaking and the car moving really slow. Should I take it to the dealer or something else ??

Tengo el mismo problema haces días me prendió la luz del check engine y sistem awd voy a cambiar la pieza a ver

How much does the part cost please? Thank you.

It just happened to me what happens if I don’t have the money can I wait a few days before I fix it?

This is exactly what happened to me over the past two months. Dealer thought i got a bad of bad gas. Light went off for about a month. Yesterday, at quarter tank of gas the check engine light and awd warning came on again. I will get codes run and replace part as you said. Thanks

Don't listen to that man get a cheap OBD 2 tool connect it to your phone there is an option called live in the tool go live and have some one drive the car for you it will show you how your car sensors are running if there is an problem with one of those it will show it I found out it's not that part after I bought the one that he's taking about it's an o2 sensor 😂 that man is constipated !!!

How long will it take for the error to go away after replacing the part