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RKE Question


Scotty

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In this site >> http://myweb.accessus.net/~090/cad96rke.html , there is an explantion of how to key the FOB to the keyless entry system. However this wording is confusing to me:

Note: Before starting this procedure, both transmitters must be present. For programming purposes, procedure questions will be answered with a YES or NO response. FAN UP is YES. FAN DOWN is NO.

Why do both transmitters (FOBs) have to be present to perform this procedure does anyone know? My cousin has a 96 Deville like me. I wanted to program my second FOB to her car, why didnt that work? Anyone know?

Does this mean that if she does not have any FOBs that she will need to buy 2, a one and a two unit? Anyone understand this? Thanks Mike

Early on sailors navigated by the stars at night and the North star became the symbol for finding ones way home. Once you know where the Northstar is you can point your ship in the right direction to get home. So the star became a symbol for finding ones way home or more symbolically even finding ones path in life.

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Hi Mike,

as you know, I retrofitted the factory RKE unit to my 96 SLS recently, so I dealt with that.

I have no answer to your question why this is so, but you will have to program fob #1 and #2 at the same time.

The factory manual suggests to use the same fob as #1 and #2 , if there's only one fob present at time of programming.

Good luck

Stefan

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Hey Stefan, thanks I will let you know if it works! Thanks

Early on sailors navigated by the stars at night and the North star became the symbol for finding ones way home. Once you know where the Northstar is you can point your ship in the right direction to get home. So the star became a symbol for finding ones way home or more symbolically even finding ones path in life.

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Stefan, I can't get to the car till the morning. But your statement is very promising to me, I believe you are correct. If I program the same FOB for both #1 and #2, the RKE system will most likely be fooled. I was trying to program the #2 unit as a single unit. Very Exciting. If it works, you will have made me look like a genious to my cousin! Thanks (I will credit you with the fix)

The only thing that I don't understand is why the FOB wasn't reprogramed when I tried to program it as #1 and #2, it continued to open my car that was parked next to it...

Early on sailors navigated by the stars at night and the North star became the symbol for finding ones way home. Once you know where the Northstar is you can point your ship in the right direction to get home. So the star became a symbol for finding ones way home or more symbolically even finding ones path in life.

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Yep, you have to program two at once. The firmware requires it. If you have only one, you must program it as #1 AND as #2.

Of course, the FOBs internal code is fixed and you are actually programming the car's RKE module to the FOB code, not the other way around.

Even if you successfully program your cousin's RKE module to your old FOB, your old FOB will continue to operate the RKE module in your car. That's as it should be. You might want to reprogram your own car to operate exclusively with FOB #1.

On OBDI cars like mine you have to complete the procedure within 30 seconds or the programming does not take effect. It appears as though nothing has happened. I dunno if there is a time limit for OBDII programming.

FOB #1 and FOB #2 are identical (except for their random internal code). They have different part numbers only for the cosmetic reason of providing the handy #1 and #2 identifiers.

Regards,

Warren

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There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises

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Thanks Warren, I try that this morning, Mike

Early on sailors navigated by the stars at night and the North star became the symbol for finding ones way home. Once you know where the Northstar is you can point your ship in the right direction to get home. So the star became a symbol for finding ones way home or more symbolically even finding ones path in life.

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Hello Mike,

it should work as the factory manual says so! If you look at page 9K-5, upper left, paragraph "Programming Transmitter" it reads:

"If the customer uses only one transmitter on the vehicle, use this transmitter as #1 and #2"

Best

Stefan

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I don't know what went wrong but it would not work. And yes I see that the factory service manual states that it can be done. I know the FOB works as it unlocks my car from a distance.

I am thinking that the car battery needs to be disconnected to erase any RF codes first. When I got done with the procedure to program #1, the door locks did not cycle, continuing to #2 did not help. I am not sure what I was doing wrong.

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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Bad RKE module in the cousin's car?

I am thinking that the car battery needs to be disconnected to erase any RF codes first. When I got done with the procedure to program #1, the door locks did not cycle, continuing to #2 did not help. I am not sure what I was doing wrong.

Negative. Battery disconnect is not required. I'd guess the door lock cycle failure simply indicates a lack of communications. Looks like the target RKE is unresponsive. I doubt you're doing anything wrong. You're not like that.

Regards,

Warren

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There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises

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My 92 RKE would frequently have reception issues if there was an SUV parked near it. I assumed it was some sort of interfering frequency issue. Long shot, but perhaps a different location would help the process.

Bruce

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Thanks guys, I dont know why it happened, but I will do some more research on this issue. There is a 96 Deville in my local scrap yard I might pull the RKE module out of it. I am usually in a rush when I am in Virginia so I could have overlooked something.

What is bothering me about the programming procedure is that at the end of #1 FOB programming, if the door locks did in fact cycle, I would be home free at that point. I have been told that both #1 AND #2 need to be programmed for this to work, it is not clear how to get from #1 to #2 with an acknowledgement that #1 has been programmed... Anyone following me on this? thanks, MIKE

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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Mine cycles the door locks after #1 is programmed. You then use the remainder of your 30 seconds to program #2 afterwhich the locks cycle again.

Dunno about the '96 though. Sorry.

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There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises

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Thanks Warren, that is interesting that it cycles after #1 is programmed. Your car is OBDI, I am wondering if OBDII is different when it comes to programming the RKE module. I wonder if a code shuts down the RKE module and prevents programming. I will need to spend some more time with the car. Thanks, Mike

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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