986 Forum - for Porsche Boxster & Cayman Owners

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-   -   Homelink HELP! Chamberlain opener (http://986forum.com/forums/boxster-general-discussions/31671-homelink-help-chamberlain-opener.html)

Daylorb 12-05-2011 04:07 PM

Homelink HELP! Chamberlain opener
 
Ok - I'm about ready to blow a gasket. I've done Homelink on at least half a dozen cars. I understand how to do it for standard and rolling codes - clear the buttons, hit one to get the slow flash, hold the remote in front of the car, after do the learn button, etc.

My 987 works on a standard code (gate opener) but not on my Chamberlain. I get the three foglight flashes on my gate opener remote, but not on my Chamberlain garage door remote.

It works just fine with my BMW and Infiniti - not the Porsche.

Any ideas? There must be a trick out there that I am missing beyond waving it in front of the car, clicking a million times, standing on my head scratching my belly and playing Zamphir in the background???

Daylorb 02-20-2012 02:37 PM

Ok - several months and a dozen attempts later I finally figured this out. Programming a 2008 Boxster to a new Chamberlain via Homelink is not impossible. At first, I thought it was an issue of Liftmaster/Chamberlain came out with a new version of rolling security codes that is not backwards compatible with older Homelink systems. It came out in late 2007 and many cars through as late as this year did not include it.

Meaning - if you have an old garage door opener, no problem. But if your opener just fried and you went to Home Depot and bought your run-of-the-mill Chamberlain recently, it will not program to your 2008 Boxster. I'm not sure what the cutoff date is. More information on it here:

FAQ's about the Homelink Repeater Kit for LiftMaster Models 8360 & 8550 | Facebook

The solution is reasonably simple, they sell a repeater and remote you simply plug into the wall the makes the opener backwards compatible. Another route is just get a compatible non-rolling code receiver and plug it in. I found the official unit with shipping for $42 from gatehouse.com and am on my way to less clutter in my ride. Got it - worked like a charm.

Then my wife pointed out to me that our 2004 Pathfinder worked with the new openers just fine. I guess it blows that theory. So I went back to the drawing board and literally did a grid-search style programming pattern. Got the Chamberlain to work - it was just ridiculously sensitive to positioning on the bumper. Where my older opener and the homelink repeater programmed at about any distance, the Chamberlain seems to need to be almost touching the bumper - but not quite - in exactly the right spot. Having even a half inch or so off it would not seem to take the code.

So sending the repeater back - seems to be working without it!


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