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Here. 2009 F150 Platinum. Left rear door ajar warning even…

Customer Question
Here. 2009 F150...

Here. 2009 F150 Platinum. Left rear door ajar warning even though the door is closed. Tried WD40 but no luck. Is there a switch I can replace? If so where is it?

Mechanic's Assistant: Thanks. Can you give me any more details about your issue?

Truck has 170,000 km. Everything else works just fine. Driving down the road and the left door ajar warning will come on in the dash. Opening and slamming the door will work sometimes but usually not.

Submitted: 2 years ago.Category: Ford
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Answered in 4 minutes by:
2/28/2016
Ford Mechanic: A. Penland, Ford Senior Master Technician, ASE replied 2 years ago
A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 7,003
Experience: ASE Master Certified, ASE Advanced Gasoline Engine Performance
Verified

The rear door latch has the door ajar switch built into the latch. The complete left rear door latch will have to be replaced to repair the dome light/door ajar concern.

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