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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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Old Yesterday, 08:05 AM   #10
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It seems like my drivers side door lock actuator has failed. It locks sporadically and won't unlock unless I open it from the inside. My car is a 2012 with 70k miles. I am surprised that it has failed and expect more from Lexus... My indy is charging $510 for a new actuator/install.
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Old Yesterday, 04:49 PM   #11
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Quote:
Originally Posted by raky View Post
It seems like my drivers side door lock actuator has failed. It locks sporadically and won't unlock unless I open it from the inside. My car is a 2012 with 70k miles. I am surprised that it has failed and expect more from Lexus... My indy is charging $510 for a new actuator/install.
Do you mean manual unlock from inside? If via the power door lock switch it might be something other than actuator.

PN: 69040-42250

Here is a new one on eBay for $175.50.


Last edited by Acrad35751; Yesterday at 04:53 PM.
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Old Yesterday, 07:32 PM   #12
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Quote:
Originally Posted by Acrad35751 View Post
Do you mean manual unlock from inside? If via the power door lock switch it might be something other than actuator.

PN: 69040-42250

Here is a new one on eBay for $175.50.
When I try to open the door if it is locked, the remote/pulling on the door handle does not unlock it. I have to open the passenger side door and reach over to the door handle and pull it open. i can manually lock/unlock from inside. The door lock switch seems to work fine. Regardless my indy is honest so not worried about that. Just hate having to fix an issue on my car that is otherwise perfectly maintained.
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Old Yesterday, 07:38 PM   #13
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So the interior driver's door power lock and unlock switches will lock & unlock door?

Last edited by Acrad35751; Yesterday at 07:42 PM.
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