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GX-460 Door Actuator Failure

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Old 06-29-16, 03:31 PM   #1
LabDoc
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Default GX-460 Door Actuator Failure

I have a 2011 GX-460 with about 120k miles. In the past 60k miles, I have replaced 7 (yes seven) door actuators in the vehicle:
- 3 driver door
- 1 front passenger door
- 2 driver side rear door
- 1 back hatch door

After the 3rd actuator failed, I asked Lexus to look into this to find out the root cause of all of these failures with no luck.

On 4, 5, 6, I again asked but got back that there is over a mile of wiring in the vehicle and it's impossible to determine why.

On number 7, the dealer asked that I call Lexus to see what they can do (these are about $650 each to replace and $750 for rear hatch). Lexus said to go see another dealer...

So here I am, out over $4K replacing door actuators and no closer to finding an answer. Anyone else out there with similar issues? I'm at the point of wanting to get rid of it (although I love driving it).
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Old 06-29-16, 05:09 PM   #2
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Wow, 7 is crazy. I think I have read of one here. I have a 2011 with 86k and no problems.

Last edited by tecman; 06-29-16 at 05:14 PM.
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Old 06-30-16, 09:24 PM   #3
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Does the door actuators make any type of noise or show any similar symptom with the other doors before they failed?

Are the door actuators completely inoperative?

Are you using the remote or key to lock/ unlock the doors?

What's the frequency of locking/ unlocking the doors?
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Old 07-01-16, 10:00 AM   #4
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i smell another troll
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Old 07-02-16, 02:28 PM   #5
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If you do some analysis on the replaced actuators, it seems the GX had been neck deep on the driver side/submerged to one side under water/flooding which caused the electro-mechanical parts to go bad that often.

Like this one (LOL):
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Old 07-02-16, 04:01 PM   #6
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So you think water damage could be the problem? Seems logical as this is quite unusual.
From one of my previous post.
https://www.clublexus.com/forums/gx-...eo-thread.html



Last edited by tecman; 07-02-16 at 04:10 PM.
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Old 07-02-16, 11:17 PM   #7
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Quote:
Originally Posted by tecman View Post
So you think water damage could be the problem? Seems logical as this is quite unusual.
From one of my previous post.
https://www.clublexus.com/forums/gx-...eo-thread.html


Prado 150 at Nolans Brook - Drowned - YouTube
Very Nice!
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Old 07-17-17, 03:03 PM   #8
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Quote:
Originally Posted by labdoc View Post
i have a 2011 gx-460 with about 120k miles. In the past 60k miles, i have replaced 7 (yes seven) door actuators in the vehicle:
- 3 driver door
- 1 front passenger door
- 2 driver side rear door
- 1 back hatch door

after the 3rd actuator failed, i asked lexus to look into this to find out the root cause of all of these failures with no luck.

On 4, 5, 6, i again asked but got back that there is over a mile of wiring in the vehicle and it's impossible to determine why.

On number 7, the dealer asked that i call lexus to see what they can do (these are about $650 each to replace and $750 for rear hatch). Lexus said to go see another dealer...

So here i am, out over $4k replacing door actuators and no closer to finding an answer. Anyone else out there with similar issues? I'm at the point of wanting to get rid of it (although i love driving it).


i have had the exact same issue with my 2010 gx 460. The dealership is baffled. Even the "redesigned" replacements are failing. I will be selling the car if it keeps happening.
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Old 07-17-17, 06:24 PM   #9
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The GX uses the same lock actuator as the 4Runner. I have a 2013 GX and a 2012 4Runner. I haven't had to replace any actuators on the GX, and I've replaced 3 on the 4Runner. It's a simple repair. You can either replace the entire actuator unit, or just replace the motor (I've gone this route). The motors are about $5 on ebay. If you google either Tacoma or 4Runner lock actuator replacement, you'll find the info you're looking for.
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