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2002 Lincoln LS V8 Sometimes Wont Start/Driver Door Wont Unlock/lock


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mihas12
New User

Mar 8, 2015, 6:05 AM

Post #1 of 5 (1155 views)
2002 Lincoln LS V8 Sometimes Wont Start/Driver Door Wont Unlock/lock Sign In

I've had my 2002 lincoln ls v8 (130,000 miles) for a few years and while I've spent enough already fixing its breakdowns I'm currently experiencing some odd stuff. So when I use keyless entry, most of the everything is normal and my car starts. However, in the past few weeks something bizarre happens randomly once or twice. I will use my keyless entry and all my doors EXCEPT my driver door wont lock or unlock. I will enter the car by opening the driver side door from the inside through the other doors. When I get in, I will use the button on the panel and the same thing happens, all doors but the driver door respond. EVERYTIME this happens I will go to start my car and everything seems normal (lights/radio go on and driver settings) but my engine does NOT start. Not a crank or anything. Ill begin to rapidly unlock and lock the doors seeing if something is stuck but nothing happens. Even if I do nothing for about 10-20 minutes my car will randomly start when I try the key and then my driver door will then respond to the keyless entry/panel button. I'm thinking maybe its in an theft mode but no alarm sounds and also to note that when my car acts up the driver door will respond if I actually use the key to unlock it. I'm afraid this will happen when I'm running late to something and will be screwed. Any help will be greatly appreciated I just cant spend too much right now to take it to a dealer.


Hammer Time
Ultimate Carjunky / Moderator
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Mar 8, 2015, 7:25 AM

Post #2 of 5 (1146 views)
Re: 2002 Lincoln LS V8 Sometimes Wont Start/Driver Door Wont Unlock/lock Sign In

I just don't see a connection to the two systems at all. You would have to troubleshoot the starter circuit using a wiring diagram while it isn't starting to maybe find a connection.



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Discretesignals
Ultimate Carjunky / Moderator
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Mar 8, 2015, 7:53 AM

Post #3 of 5 (1142 views)
Re: 2002 Lincoln LS V8 Sometimes Wont Start/Driver Door Wont Unlock/lock Sign In

If I had to take a wild guess, it might have something to do with the driver's door module. I'd scan the module to see if there is any codes stored. In fact you should scan all the modules in the vehicle to see if there are codes stored. That might help give some direction. If the problem occurs again, that would be a good time to see if you have communications with the modules.

Of course, most DIY don't have that type of equipment, so you may need to take it in when the problem gets worse or is a hard fault.

If the theft like it blinking, PATS will disable the engine from cranking and starting.





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mihas12
New User

Mar 27, 2015, 6:54 AM

Post #4 of 5 (1087 views)
Re: 2002 Lincoln LS V8 Sometimes Wont Start/Driver Door Wont Unlock/lock Sign In

My theft does blink when it does not start but what confuses me is that sometimes my door will unlock and lock but other times it wont. Does temperature have anything to do with this?


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Mar 27, 2015, 9:40 AM

Post #5 of 5 (1080 views)
Re: 2002 Lincoln LS V8 Sometimes Wont Start/Driver Door Wont Unlock/lock Sign In

If the theft light is blinking, PATS would disable the engine from starting. You really need to take it into a shop that can connect a scan tool up and see what is going on with PATS and the driver's door module. Many environmental factors can affect electronics and electrical circuits.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.






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