the door ajar light remains on with doors closed

Asked by jwfoust Nov 09, 2014 at 09:30 AM about the 2002 Mercury Mountaineer RWD

Question type: Maintenance & Repair

door ajar light remains on

56,570

TransAm77 answered 10 years ago

One or more of the door latches are bad. The switch to turn off the dome lights are built into the latches. You can try spraying wd-40 or pb blaster into the latch openings and shut the doors quite a few times and see if the light goes off. It's a temporary fix. At least the light will be off and you will know which one is bad. Start with the drivers door. It's either that or you turned on the dome light switch on the dash or a button near the dome lights.

9 people found this helpful.

Mark helpful

Your Answer:

the door ajar light remains on with doors closed 1 Answer

door ajar light remains on

2002 Mercury Mountaineer RWD

-

Maintenance & Repair
I have a 2004 Mercury Mountaineer, V8, AWD, My problem, I think is in the computer? When I shut the engine off and try yo exit and lock the vehicle, setting the factory alarm system it won't do it. The digital display says that there is a "DOOR AJAR". I have checked all the doors as bet I can and they appear closed. BUT the interior lights remain on and the alarm will not set because off the ajar message. Am I missing something? Is the computer having a brain cramp.? I can get the alarm to set if I manually shut off the interior/dash lights too off. then it will work but no interior lights on the dash. This is driving me nuts. Can uou help?Thanks,John 12 Answers

I have a 2004 Mercury Mountaineer, V8, AWD, My problem, I think is in the computer? When I shut the engine off and try yo exit and lock the vehicle, setting the factory alarm system it won't do it. T...

2004 Mercury Mountaineer Convenience AWD

-

Maintenance & Repair
Check Fuel cap light comes even after replaced with new cap 1 Answer

My check fuel cap light comes on and stays on. I have replaced it with a new one and it still comes on. What could be the issue? And would this also cause the service the engine soon light to come o...

2005 Mercury Mountaineer Premier AWD

-

Maintenance & Repair
What is the Blue Light on an 05 Mercury Mountaineer? 1 Answer

Our Mecurcy Mountaineer was making buzzing sound which it had made before & the battery was dead. So last time, we jumped it & no more problem. Today it started making the same chirping/buzzing so...

2005 Mercury Mountaineer Convenience AWD

-

Maintenance & Repair
2005 Mountaineer service engine soon light comes on 3 Answers

3 times within 4 weeks, service engine light comes on while sitting with motor running over 10 minutes. Repair shops not able to find anything. Up to date on all maintenance. 1rst time shop reset, 2...

2005 Mercury Mountaineer Convenience AWD

-

Maintenance & Repair

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.