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Car will not stay locked.

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1997 Boxster, 34K miles, garage kept.

Electronic lock system will not stay locked.

Top is up, hood and trunk compartment well closed, windows up. All doors closed.  Hit the lock button on FOB, hear the lock solenoids engage, doors lock, 2 seconds later doors unlock and horn beeps 2 times.

(lights do not flash like they used to).


When I insert key in the door and manually lock, same scenario: hear the lock solenoids engage, doors lock, 2 seconds later doors unlock and horn beeps 2 times.

Background: last fall I replaced the window regulator and noticed the passenger window would go all the way down when the convertible top was opened. This spring, that behavior disappeared and window worked normally (I did reset the regulator travel after I replaced the regulator).  Car worked OK in June, July and now started this weird behavior.

Suggestions? Where to look? Comments welcomed!


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Loren is right, it's best to find out what codes are being put out prior to buying random parts trying to fix it. I had a similar situation with my old '01 S and it turned out to be the passenger door handle sensor, the one that engages the window to go down. But, like I said, best to find out what the codes are prior.

Sent from my iPhone using Tapatalk

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OK, thank you very much.  Called a few dealerships and asked for just a diagnosis...One said they do diagnosis as part of the repair, the other place wanted $250.  May be time to buy an analyizer.  Unless someone knows of a helpful person in the pittsburgh area who would consider doing a favor.....




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