power door locks - Automotive Wiring and Electrical


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Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical

Don Schlosser
New User

Aug 6, 2011, 8:46 AM

Post #1 of 6 (1430 views)

power door locks	Sign In

I have a 2002 Ford Ranger Flare-side. The remote entry only seems to work when the door is open and I point it directly at the dash. I have replaced the batteries in the remote.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 6, 2011, 8:58 AM

Post #2 of 6 (1425 views)

Re: power door locks	Sign In

One misconception about keyless entry remotes is the range is affected by battery age in the transmitter. Range is actually determined by the receiver under the dash.

If you have another remote, does it do the same?
You have any aftermarket equipment installed?
Does it do this no matter what the location of the vehicle is at?

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

Don Schlosser
New User

Aug 6, 2011, 9:14 AM

Post #3 of 6 (1418 views)

Re: power door locks	Sign In

Both remotes do the same thing. No aftermarket equipment. Originally would happen only after sitting in the sun. Now happens all the time.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 6, 2011, 9:29 AM

Post #4 of 6 (1413 views)

Re: power door locks	Sign In

The RKE receiver is inside the central security module (CSM). The receiver might be faulty causing loss of signal range. To get to the CSM you have to remove the passenger's side air bag module. Since it requires working with the air bag system, you should have a qualified tech or shop check it out.

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

Don Schlosser
New User

Aug 6, 2011, 10:01 AM

Post #5 of 6 (1403 views)

Re: power door locks	Sign In

Thanks for the help and info. Will definitely have someone qualifyed check it out.

Mr.scotty
Enthusiast
Mr.scotty profile image

Aug 6, 2011, 9:05 PM

Post #6 of 6 (1391 views)

Re: power door locks	Sign In

A new CSM would have to be programed by the dealer anyways wouldn't it?
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