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RFA modulator on a 1996 Eldorado


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It started with me wanting to program a key fob,, when i get to the part in diagnostic ..where the RFA is.. it days NO RFA DATA .. I already checked the comfort fuse in the trunk.. i have the back seat out now ..is there a relay that controls the RFA .. i also seen.  the comfort fuse in the trunk controls my CD player which isnt working as well.......... is there a way to check the RFA module ?   Thank You in advance for any help at all !!

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Have you extracted all codes from the system?, post all codes here

Explain what you did, this sentence needs explanation "It started with me wanting to program a key fob"

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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3 hours ago, BodybyFisher said:

Have you extracted all codes from the system?, post all codes here

Explain what you did, this sentence needs explanation "It started with me wanting to program a key fob"

I need to get to the RFA part of the diagnostic to program the key fob ..its suposed to take me to the RFA CODES ..but i cant get past that part of the directions... to continue the programing .. because that stage ens me .. and says NO RFA DATA FOUND .. im a get the codes with in the hour .. ty in advance

 

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I have a 96 factory service manual.  Post as much data as you can.

You run codes on a 96 by holding the OFF and Warmer buttons simultaneously.  The codes will come up in the DIC.  Use your smart phone to take a video of them and write them down later.  I think you are looking for B or Body codes.  You may also see U or network codes.  

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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I edited the above, Its the off and warmer buttons

See this on reading codes

http://www.caddyinfo.com/readingcodes.html

 

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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You verified the fuse is good but have you verified it has power?

If other things on the same circuit are not functioning I would not think the module is at fault.

You either have a loss of ground or a loss of power to that circuit.

Have you checked all fuses?

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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