Question about 2004 Ford Escape
My FOB will not lock or unlock doors. If I manually lock driver door the FOB will unlock it, but no other door. The door lock buttons do not work with the exception of the front passanger button. This button will unlock the driver door! It will not lock or unlock the passenger door. The dealer said it is the GEM unit but if I understand the GEM unit it sends a signal out on a pink/white wire. The signal seems to be sent based upon the door behavior. The problem seems to me to be outside the GEM unit. Also, I can hear the relays in the GEM unit click each time I press the FOB buttons or the door buttons. Also the lights blink to confirm the lock signal has been sent. Where do I need to focus my attention?
Using a multimeter, check for voltage at the lock/unlock solenoid. Disconnect the connector and probe the unlock side with the other lead on a good ground. Hit the unlock twice and see if you get voltage. If yes, the solenoid may be defective or if not, you could possibly have a bad relay. Even though you can hear the relay, that doesn't necessarily mean it's completing the circuit. My car did the same thing and I ended up replacing the relay.
The lock side check would be the same.
Hope this helps!
Posted on Aug 31, 2008
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Posted on Jan 02, 2017
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