Trunk not opening and convertible two press - Cadillac XLR Forum: XLR and XLR-V Forums
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post #1 of 4 (permalink) Old 09-17-2016, 05:00 PM Thread Starter
XLR Pit Crew
Join Date: Aug 2006
Location: Las Vegas
Posts: 47
Trunk not opening and convertible two press

Longtime member, on my 2nd XLR now. I am so happy to be back! I have read through the posts and could not find something similar.

Trunk does not open either of the 3 ways (fob button, trunk button on trunk lid, trunk button inside). You can hear the latch "unlock", but the top does not open with the hydraulics. I can tell because you hear the latch noise, and you can actually lift the trunk after hearing the unlock latch (however it's very difficult). After a few seconds, the trunk automatically locks when it detects the trunk did not actually open.

Trunk DOES open during the convertible open/close cycle. However, it's a 2-step process that requires I release the button and press it again towards the end of the cycle: Hold button for top open, 20 seconds later to close trunk, I hear a pump/buzz from the hydraulic pump area while still holding the button. I can hold for a while but I don't want to damage anything. If I let go and press again 1 second later, the trunk then closes. Similar for the reverse. Does this make sense?

The hydraulic bay is dry, but not clean. 1 hydraulic line (13) has a bit of a leak or corrosion, white powder like.

I have checked all fuses I think are related. Before I check 30 more unrelated fuses, or resort to a TechII reprogram, any other troubleshooting tips?

Thank you to all in advance.
alibond is offline  
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post #2 of 4 (permalink) Old 09-17-2016, 06:47 PM
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Join Date: Sep 2016
Posts: 1
I am having the same problem with my 2007 XLR. Any suggestions would be sorely appreciated.
jimgrimm is offline  
post #3 of 4 (permalink) Old 09-19-2016, 05:31 PM
ccclarke's Avatar
Join Date: Mar 2008
Location: New England '13 XTS Platinum
Posts: 1,087
A reprogram (Relearn) with a Tech 2 usually fixes this. I had the same symptoms you describe and a relearn cured the problem.

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post #4 of 4 (permalink) Old 09-20-2016, 03:05 PM Thread Starter
XLR Pit Crew
Join Date: Aug 2006
Location: Las Vegas
Posts: 47
THANK YOU ccclarke! I took this to the dealer, and a relearn solved the entire issue. I was worried about service overcharging or discovering a more serious problem. But in only 1 hour of time, they diagnosed and did a re-learn!

Best of luck jimgrimm with your local dealer.
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