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looking for advise on low cost fix of remote keyless entry module

 
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  #1 (permalink)  
Old 22 Nov 2014, 06:32 pm
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Default looking for advise on low cost fix of remote keyless entry module

The rear latch release doesn't work remotely on my 2005 Pt Cruiser.

As reported before I've been trying to figure this out for a few weeks. It stopped working about three weeks ago. Everything's testing out. Solenoid, wiring, ect. So today I accessed a view of the plug to the module under the dash, hoping the problem was that the plug to the module wasn't seated. It was. I had hoped that was the problem. See photo.

Could this possibly be the pressure switch in the lift gate handle?

The doors all activate remotely with the door lock switches and the remote and they also function remotely when I open the lift gate with the key. Is there something else I can check or something else that might be suggested? Thanks for the advise and help from the forum. ptprice
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Old 22 Nov 2014, 08:51 pm
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Cool Re: looking for advise on low cost fix of remote keyless entry module

Probably is the switch in the rear hatch handle.
Try "searching" this forum, and the exterior accessories threads.
I believe this has been discussed at length in the past.
The trunk button on the key fob for my convertible has the same proble.
I will work for weeks; and then it won't for weeks.
**The low cost fix is....using the key.
That's what I do.
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Old 22 Nov 2014, 10:27 pm
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Default Re: looking for advise on low cost fix of remote keyless entry module

Thanks Frank.The pressure switch in the lift handle of the rear hatch is the only thing I haven't been able to test. On your suggestion I'll try again tomorrow. If that's what it is it would be a lot cheaper fix than the module. Thanks, ptprice
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Old 22 Nov 2014, 11:11 pm
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Cool Re: looking for advise on low cost fix of remote keyless entry module

I am also making the assumption that you have tried a second kefob, and/or put new batteries in your only keyfob.
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Old 23 Nov 2014, 12:23 am
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Default Re: looking for advise on low cost fix of remote keyless entry module

Quote:
Originally Posted by soonercruiser View Post
Probably is the switch in the rear hatch handle.
Try "searching" this forum, and the exterior accessories threads.
I believe this has been discussed at length in the past.
The trunk button on the key fob for my convertible has the same proble.
I will work for weeks; and then it won't for weeks.
**The low cost fix is....using the key.
That's what I do.
There are threads here with people who have had the hatch switch fail.
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Old 23 Nov 2014, 11:44 am
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Default Re: looking for advise on low cost fix of remote keyless entry module

Thanks. I tried my second remote out with hopes, but to no avail. It would have been a welcome easy fix. It's my habit of interchanging the key fobs intermittently, keeping the second locked in the glove box as a back up accessed with a thin standard door key I carry in my wallet. So I think I'd already tried the second key fob.

The rear hatch unlock is still dysfunctioning with either remote using the proper double click within five seconds. (all doors work from the remote, the door lock switches or the rear hatch key)

Sooo, I'll check the threads again that have lead me this far without success, and try a continuity test on the rear hatch handle pressure switch later if I can.

I'm still open to any suggestions.

Thanks, ptprice
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Old 23 Nov 2014, 06:33 pm
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Default Re: looking for advise on low cost fix of remote keyless entry module

I tested the pressure switch on the lift handle of the rear hatch for continuity with the plug disconnected, and found the switch is always open, constant continuity, indicating it might be defective.

This may explain readings I was getting earlier with my multi tester. Is it a possibility that the rear lift gate release output portion of the remote key less entry module is not working because of the pressure switch?

Can just a part of the module controlling the liftgate release output be repaired reasonably?

Everything else in the door lock system works; The remote to all for doors, the door lock switches and the key activating the door locks when it's turned in the hatch key lock.

Reconnecting the pressure switch plug partially, activates the device under the hatch key assembly indicated by short clicking noise and feel, similar to a small solenoid. I heard it thanks to my highly tuned geezer hearing aids!

For now, as not to do more damage electrically, I'm leaving the pressure switch hatch handle disconnected.

I'll go the low budget solution for now, "using the Key"!

From my input and discovery, have I given enough information for an opinion to be forthcoming as to what would be involved in resolving the problem of the rear hatch electric latch unlock dysfunction? thank you, ptprice
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Old 23 Nov 2014, 06:40 pm
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Default Re: looking for advise on low cost fix of remote keyless entry module

So, no change in continuity when you push the switch? That sure sounds like a defective switch....
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nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge."
Isaac Asimov"

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Traded in '02 Silver Touring Edition w/87,000 miles
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Old 23 Nov 2014, 07:43 pm
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Default Re: looking for advise on low cost fix of remote keyless entry module

Yup, and that unnoticed dysfunctioning switch may have burned out the liftgate release motor output portion of the remote keyless entry system. No found blown fuses, every thing else in the system works.

Wadaya think? ptprice
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