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Key Fob?

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FiretruckGMC Enthusiast

FiretruckGMC

Posted
Posted

A couple of weeks ago my key fob started acting weird. what i mean by weird is it wont unlock when i press the unlock button... i thought is was the battery so i changed it. nope, not the problem. i would try my other key fob that i got when i bought my truck but well how do i put this.... it was ran over by a fire truck.... i work for a volunteer FD and it fell out of my pocket in the station and the truck ran it over and i didn't notice it till we got back... any tips or ideas what it could be???

 

I have a 2003 sierra 1500... if that helps...

jrrod2004 Senior Enthusiast

jrrod2004

Posted
Posted

try to "pair" it back with the truck and see what happens...the RDLC should be on the passenger side of the GMT800 so approach it from the driver's side to really test it. Then try it from the passenger side to verify.

 

 

Edit: and quit running over the fobs with firetrucks...

jrrod2004 Senior Enthusiast

jrrod2004

Posted
Posted
RDLC??? and by pair you mean re-program?

 

 

lol yeah im been good... i havent ran anything over in 3 years...

 

Sorry...

RDLC = Remote Door Lock Computer (Module)...(If my memory is correct)

roger on the reprogram...

FiretruckGMC Enthusiast

FiretruckGMC

Posted
  • Author
Posted

how do you reprogram it... the cycle my buddy told me was

Insert the ignition key into the ignition lock cylinder.

Press and hold the door unlock switch.

While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.

Release the door unlock switch. The doors will lock and unlock to confirm the program mode.

Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter.

Repeat the previous step to program up to 4 transmitters.

Turn the ignition switch

to the RUN position in order to exit the keyless entry transmitter programming mode.

Operate the transmitter functions in order to verify correct system operation.

 

 

 

this right???

Se77vN Enthusiast

Se77vN

Posted
Posted
how do you reprogram it... the cycle my buddy told me was

Insert the ignition key into the ignition lock cylinder.

Press and hold the door unlock switch.

While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.

Release the door unlock switch. The doors will lock and unlock to confirm the program mode.

Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter.

Repeat the previous step to program up to 4 transmitters.

Turn the ignition switch

to the RUN position in order to exit the keyless entry transmitter programming mode.

Operate the transmitter functions in order to verify correct system operation.

 

 

 

this right???

 

Yup, in fact it worked for me about 3 hours ago when I got my kob from ebay. Picked it up for like $18 shipped. It works :lol:

jblakeney Senior Enthusiast

jblakeney

Posted
Posted
A couple of weeks ago my key fob started acting weird. what i mean by weird is it wont unlock when i press the unlock button... i thought is was the battery so i changed it. nope, not the problem. i would try my other key fob that i got when i bought my truck but well how do i put this.... it was ran over by a fire truck.... i work for a volunteer FD and it fell out of my pocket in the station and the truck ran it over and i didn't notice it till we got back... any tips or ideas what it could be???

 

I have a 2003 sierra 1500... if that helps...

 

 

Check the points on the battery straps where it is soldiered to the board.... This is a BAD problem with nearly every make/model remote with a coin style battery. The metal strap should be soldiered in 3 spots on most GM remotes.

 

If your not good with a soldiering iron take it to computer repair place. Most of them will have a soldiering bench and they have someone very skilled in this........ I shake to bad to do this anymore......

 

Jbo

 

However,

 

Edit: -- Ford Remotes and some other make (I don't remember which one thou).... Sometimes require a refresh of the remote if you change the battery. Ford's procedure is hold both lock and unlock for 15 seconds. Locks will cycle to verify the refresh has been completed. If it was not so FREEKN cold here I would go out and see if the other make is GM.....

LeoS41280 Enthusiast

LeoS41280

Posted
Posted

Check the points on the battery straps where it is soldiered to the board.... This is a BAD problem with nearly every make/model remote with a coin style battery. The metal strap should be soldiered in 3 spots on most GM remotes.

 

 

 

I've seen this happen a lot also. I think the board flexes when the buttons are pushed. The soldier can't flex and it cracks. After repairing the soldier spots, I put a little JB weld on the outside of the battery strap.

Se77vN Enthusiast

Se77vN

Posted
Posted
reprogrammed it... works great i can get in my truck now on my driver side instead of unlocking it with the key on the passenger side...!

 

 

thank you guys helped me out!

 

 

You have a lock on your passagners side?? WTF...my truck only has the lock on the drivers side.

FiretruckGMC Enthusiast

FiretruckGMC

Posted
  • Author
Posted
reprogrammed it... works great i can get in my truck now on my driver side instead of unlocking it with the key on the passenger side...!

 

 

thank you guys helped me out!

 

 

You have a lock on your passagners side?? WTF...my truck only has the lock on the drivers side.

 

 

 

 

yeah i thought my truck was weird.... i can put my key in, but it wont turn( driver side) but on my passenger it will.. my truck was never wrecked or hit before i bought it.. i got hit in a parking lot and that was the only time it was hit and that was the passenger side...so its not like they could of changed the lock side.... it was allways like that..

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