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C6 Comprehensive Fob Programming Instructions

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Old 08-26-2017, 05:08 PM
  #501  
Buck Henry
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Update: nevermind, I'm a dumb ***! I was sticking the FOB in wrong. All is well and new FOB works fine.!

Hello

I am attempting to program a new FOB using the short procedure and am having an issue (I think). I am able to turn the key 5 times and get the "Ready for FOB #3) with no problems. It is the next step I am getting hung up on. I am doing the test to see if the key slot is working by sticking the known good FOB I have in the glove box slot. Procedure says it should say "Known FOB", but nothing happens when I do this test. It just sits there and says "Ready for FOB #3.

I assume this means my FOB slot is not functioning. What should I do at this point? I am afraid to proceed and wipe out my good FOB and not be able to start the car.

Thx in advance!

Buck
Atlanta

Last edited by Buck Henry; 08-26-2017 at 06:20 PM.
Old 08-31-2017, 05:52 PM
  #502  
jasbrogna
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Hi Chris,
First I would like to thank you for all your knowledge.
I am having a problem getting the DIC to go into program mode. I have tried everything that has been posted but nothing seems to work. The wires are connected and clean. I am not sure which wires to jump because there are five wires connected to the trunk release.
I have a 2006 Z51 convertible if that makes a difference. It also was a museum delivery.
Any thing else I can try?
Thanks
Jim
Old 08-31-2017, 06:46 PM
  #503  
Arkay
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Originally Posted by jasbrogna
Hi Chris,
First I would like to thank you for all your knowledge.
I am having a problem getting the DIC to go into program mode. I have tried everything that has been posted but nothing seems to work. The wires are connected and clean. I am not sure which wires to jump because there are five wires connected to the trunk release.
I have a 2006 Z51 convertible if that makes a difference. It also was a museum delivery.
Any thing else I can try?
Thanks
Jim

Jim,

I totaled my 2008 do not remember how to get DIC into the program mode. There are several posting on the topic
Old 09-27-2017, 05:07 PM
  #504  
DarkSide6
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For all you Manual transmission c6 owners.
PUT THE CAR IN REVERSE, with the engine off.

A step that was not included in the OP instructions.
The Gear shift must be in reverse for the programming to occur.
Cheers
Old 09-28-2017, 02:42 PM
  #505  
mjg1200
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Originally Posted by DarkSide6
For all you Manual transmission c6 owners.
PUT THE CAR IN REVERSE, with the engine off.

A step that was not included in the OP instructions.
The Gear shift must be in reverse for the programming to occur.
Cheers
I just finished programming and had car (manual transmission) out of gear and short method worked fine.
Old 09-28-2017, 04:46 PM
  #506  
cclive
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Every car slightly different.
Old 10-01-2017, 08:02 PM
  #507  
Paddesa76
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This post was EXTREMELY helpful and detailed. Thank you so much!

Originally Posted by cclive
I have redone the instructions to include a test of the glovebox slot before doing the long procedure so that people don't get into a situation where they erase all the old fobs and then find that the slot doesn't work and they can't add new fobs back to the system. I also would recommend that you attach a battery tender or charger to the car if you have one as a low battery can cause all kinds of crazy behavior from the car. This is especially important when doing the long procedure as it takes 30 minutes. Also, it is a good idea to disable the autolock feature if you have enabled it because it is a pain to have the car lock itself on you while doing this procedure and then have the horn honk when you open the door. Please keep in mind that cars made for export to Canada can only do the short procedure, the long must be done by a dealer. Cars made for export to Europe cannot do either long or short procedure, they must be programmed by a dealer. I believe this is the case for cars destined for the GCC countries also, but would like to hear from an owner there to confirm it.
Since the glovebox slot is something that most C6 owners never have used, they would normally be unaware that it is not working and may have never worked since the car was made. This is unique in the car because almost all the other systems in the car have been used at least once by the owner so as to know if they work. The metal key in the trunk lock would be another area that should be tested by the owner.
The glovebox slot has no electrical plug in it. There is no direct, wired connection to the fob...it is simply a place that holds the fob right next to what is basically an antenna. The end of the fob that holds the keyring must face outwards and the fob buttons must face to the passenger side.
Here are the instructions including the long, short and the test procedure for the slot.



C6 Fob Programming Instructions

Before starting, it is important to make sure that the glovebox slot is working properly. If it is not, and the long procedure is started, then the car will be stripped of its fob programming, but will then not be able to accept new fob programming through the slot. This will leave the car unable to be started. Since most C6 owners have never tested the slot, or had to use it to start the car with a dead fob, they would be unaware if it had never been working properly since the car was new. To make sure that the glovebox slot is working, follow steps 1-6 below. Then in step 7, you may either insert the new, unprogrammed fob into the slot and continue to step 8, or you may insert one of the fobs that is currently programmed to the car into the slot. If the slot is presented with a fob that is ALREADY programmed to the car, the DIC will say “Known Fob”. This shows us that the slot is working correctly by recognizing this fob. Push the bottom half of the start button to end the session if you were just testing the slot for proper operation.


C6 Fob, Short Procedure….use these instructions 1-10 when you have a working fob and just want to add another to the system, or to test the operation of the glovebox slot.

1. Put drivers window down all the way, then turn car off
2. Unlock car and open trunk
3. Glove box open
4. Put working fob on console next to shifter (the one you are currently using to drive the car) IMPORTANT. Also make sure no cellphones are in the car.
5. Put key in trunk keyhole and turn key five times in less than 5 seconds.
6. DIC will now beep and light up and say “Ready for fob 3”.
7. Put new unprogrammed fob in slot by glovebox with buttons facing right (passenger) side and keyring facing outwards.
8. Wait and watch DIC. When it says “Ready for fob 4” it is done. Up to four Fobs may be programmed to the car total.
9. When all Fobs are programmed, push OFF/ACC (bottom half of start button) to turn off DIC.
10. Test all four buttons on fob and then take away all other fobs and check car starting with new fob(s).

Testing the glovebox slot above. Step 6 gets the system into the program mode so that if you then put an unknown fob into the slot in step 7, it will be added to the car. If you put the already working fob into the slot in step 7, the DIC will say "KNOWN FOB" and nothing additional will be programmed. When it says KNOWN FOB, it shows you that the slot is working as it has read the fob and told you that it already has that fob programmed to the car. At this point, just push the OFF part of the start button and all is good, no changes made. If , at step 7, you put a known fob in the slot and the DIC does not say KNOWN FOB, then the slot is not working and you should not do the long procedure.




C6 Fob Long Procedure….use these instructions 11-22 to erase car memory and reprogram all Fobs. Be sure to confirm proper operation of the glovebox slot with the short procedure before using this one. Any lost Fobs that are not reprogrammed with this procedure will no longer work on the car. Lost Fobs that are later found may be added to the car with the short programming procedure. This procedure requires three consecutive ten minute waiting periods, so plan on spending about a half hour to do this, during which the car may not be moved. Remember that the number printed on the Fob only indicates the way it was first programmed at the factory. All Fobs are identical. The order in which they are placed in the glovebox slot determines what number the Fob is.

11. Drivers window down, car off
12. Trunk open
13. Glove box open
14. Make sure NO Fobs are anywhere near the car. IMPORTANT.
15. Put key in trunk keyhole and turn key five times in less than 5 seconds.
16. DIC will now beep and light up and say “Off/Acc to learn” If you decide at this point NOT to do the programming now, push the TOP half of the Start button and the car will return to normal. With step 17, all previous fobs will be erased. To continue with programming:
17. Push bottom half of the Start button. DIC will say to wait 10 minutes and will start counting down the minutes. You may close the trunk and car door while waiting for the ten minute countdowns.
18. After the first 10 minute countdown, DIC will again say “Off/Acc to learn”. Push bottom half of Start button again. DIC will again start counting down the ten minutes.
19. After the second 10 minute countdown, DIC will again say “Off/Acc to learn”. Push bottom half of Start button again. DIC will again start counting down the ten minutes.
20. After this third ten minute period is over, DIC will say “Ready for Fob #1” Regardless of the number on the Fob, the FIRST Fob that is put in the glovebox slot will be recognized as Fob #1. Put the first Fob in the glovebox slot with the buttons facing to the right (passenger) side and the keyring end facing outwards.
21. After 3 or four seconds the DIC will beep and say “Ready for Fob #2”. Put the second Fob in the slot. The car will take a maximum of four fobs. When you have no more Fobs to program, push the bottom half of the Start button to end the programming session.
22. Test all buttons on the fobs to make sure they work, then take all fobs away from the car and, one by one, try using each to start the car.


Please read through the rest of the thread as many people have added their tips and tricks...lots of good info

Added 9/13/2015: If the car CAN be put into the programming mode but the slot FAILS to recognize a fob, it could be that the system antenna that is attached directly behind the slot is either: 1. defective or 2. (More likely)Unplugged from its' wiring harness or 3. (Also more likely) not properly positioned in its' own slot directly behind the glovebox slot. Pulling the glovebox out will allow this to be easily observed. This antenna must be very very close to the fob in the slot in order to program the fob. See this thread for a diagram and pics of a situation where the antenna was not replaced into its' slot after work was done. It caused serious problems and yet was a very simple fix:
https://www.corvetteforum.com/forums...b-only-me.html

Thanks to GhostC6 and Dano523 for some good pictures, diagrams and analysis on the problem.
Old 10-09-2017, 10:30 PM
  #508  
OwensRacing
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After a few tries I got a new fob programmed as Fob3. I really wanted the new Fob as Fob1. So attempted to erase and program. That didn’t work. Well tonight. I decided to try again and got it to work. New Fob is 1 and old is 2.

Thank you for the write up!
Old 10-09-2017, 10:39 PM
  #509  
cclive
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Originally Posted by OwensRacing
After a few tries I got a new fob programmed as Fob3. I really wanted the new Fob as Fob1. So attempted to erase and program. That didn’t work. Well tonight. I decided to try again and got it to work. New Fob is 1 and old is 2.

Thank you for the write up!
Old 11-16-2017, 10:43 PM
  #510  
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This worked for me.

Bought my car with only one key. I did the procedure to check the slot and found out there was three keys registered. So it made sense to clear it out.

I did long procedure with z06 wih the gear in reverse. For some reason the first time it seemed like it stopped in the middle of the first 10 minute window or I stepped away to long. But the second round it worked perfectly.

Last edited by csvette8; 11-16-2017 at 10:44 PM.
Old 11-19-2017, 06:18 PM
  #511  
cclive
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Originally Posted by OwensRacing
After a few tries I got a new fob programmed as Fob3. I really wanted the new Fob as Fob1. So attempted to erase and program. That didn’t work. Well tonight. I decided to try again and got it to work. New Fob is 1 and old is 2.

Thank you for the write up!

Old 12-03-2017, 01:37 PM
  #512  
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Just wanted to say thanks to cclive and others who contributed to this thread. I'd actually been following the instructions in my owner's manual (yes, I actually read it when I bought the car), but the fobs would not program using the slot in the glove box. Thanks to this thread, I was able to pull the frame around the glove box, locate the antenna, pull it out of its mounting, and by laying the fobs directly on the antenna was able to program them successfully. I now have my car back after two weeks of it sitting in the garage.
Old 12-21-2017, 09:10 PM
  #513  
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Originally Posted by cclive
I have redone the instructions to include a test of the glovebox slot before doing the long procedure so that people don't get into a situation where they erase all the old fobs and then find that the slot doesn't work and they can't add new fobs back to the system. I also would recommend that you attach a battery tender or charger to the car if you have one as a low battery can cause all kinds of crazy behavior from the car. This is especially important when doing the long procedure as it takes 30 minutes. Also, it is a good idea to disable the autolock feature if you have enabled it because it is a pain to have the car lock itself on you while doing this procedure and then have the horn honk when you open the door. Please keep in mind that cars made for export to Canada can only do the short procedure, the long must be done by a dealer. Cars made for export to Europe cannot do either long or short procedure, they must be programmed by a dealer. I believe this is the case for cars destined for the GCC countries also, but would like to hear from an owner there to confirm it.
Since the glovebox slot is something that most C6 owners never have used, they would normally be unaware that it is not working and may have never worked since the car was made. This is unique in the car because almost all the other systems in the car have been used at least once by the owner so as to know if they work. The metal key in the trunk lock would be another area that should be tested by the owner.
The glovebox slot has no electrical plug in it. There is no direct, wired connection to the fob...it is simply a place that holds the fob right next to what is basically an antenna. The end of the fob that holds the keyring must face outwards and the fob buttons must face to the passenger side.
Here are the instructions including the long, short and the test procedure for the slot.



C6 Fob Programming Instructions

Before starting, it is important to make sure that the glovebox slot is working properly. If it is not, and the long procedure is started, then the car will be stripped of its fob programming, but will then not be able to accept new fob programming through the slot. This will leave the car unable to be started. Since most C6 owners have never tested the slot, or had to use it to start the car with a dead fob, they would be unaware if it had never been working properly since the car was new. To make sure that the glovebox slot is working, follow steps 1-6 below. Then in step 7, you may either insert the new, unprogrammed fob into the slot and continue to step 8, or you may insert one of the fobs that is currently programmed to the car into the slot. If the slot is presented with a fob that is ALREADY programmed to the car, the DIC will say “Known Fob”. This shows us that the slot is working correctly by recognizing this fob. Push the bottom half of the start button to end the session if you were just testing the slot for proper operation.


C6 Fob, Short Procedure….use these instructions 1-10 when you have a working fob and just want to add another to the system, or to test the operation of the glovebox slot.

1. Put drivers window down all the way, then turn car off
2. Unlock car and open trunk
3. Glove box open
4. Put working fob on console next to shifter (the one you are currently using to drive the car) IMPORTANT. Also make sure no cellphones are in the car.
5. Put key in trunk keyhole and turn key five times in less than 5 seconds.
6. DIC will now beep and light up and say “Ready for fob 3”.
7. Put new unprogrammed fob in slot by glovebox with buttons facing right (passenger) side and keyring facing outwards.
8. Wait and watch DIC. When it says “Ready for fob 4” it is done. Up to four Fobs may be programmed to the car total.
9. When all Fobs are programmed, push OFF/ACC (bottom half of start button) to turn off DIC.
10. Test all four buttons on fob and then take away all other fobs and check car starting with new fob(s).

Testing the glovebox slot above. Step 6 gets the system into the program mode so that if you then put an unknown fob into the slot in step 7, it will be added to the car. If you put the already working fob into the slot in step 7, the DIC will say "KNOWN FOB" and nothing additional will be programmed. When it says KNOWN FOB, it shows you that the slot is working as it has read the fob and told you that it already has that fob programmed to the car. At this point, just push the OFF part of the start button and all is good, no changes made. If , at step 7, you put a known fob in the slot and the DIC does not say KNOWN FOB, then the slot is not working and you should not do the long procedure.




C6 Fob Long Procedure….use these instructions 11-22 to erase car memory and reprogram all Fobs. Be sure to confirm proper operation of the glovebox slot with the short procedure before using this one. Any lost Fobs that are not reprogrammed with this procedure will no longer work on the car. Lost Fobs that are later found may be added to the car with the short programming procedure. This procedure requires three consecutive ten minute waiting periods, so plan on spending about a half hour to do this, during which the car may not be moved. Remember that the number printed on the Fob only indicates the way it was first programmed at the factory. All Fobs are identical. The order in which they are placed in the glovebox slot determines what number the Fob is.

11. Drivers window down, car off
12. Trunk open
13. Glove box open
14. Make sure NO Fobs are anywhere near the car. IMPORTANT.
15. Put key in trunk keyhole and turn key five times in less than 5 seconds.
16. DIC will now beep and light up and say “Off/Acc to learn” If you decide at this point NOT to do the programming now, push the TOP half of the Start button and the car will return to normal. With step 17, all previous fobs will be erased. To continue with programming:
17. Push bottom half of the Start button. DIC will say to wait 10 minutes and will start counting down the minutes. You may close the trunk and car door while waiting for the ten minute countdowns.
18. After the first 10 minute countdown, DIC will again say “Off/Acc to learn”. Push bottom half of Start button again. DIC will again start counting down the ten minutes.
19. After the second 10 minute countdown, DIC will again say “Off/Acc to learn”. Push bottom half of Start button again. DIC will again start counting down the ten minutes.
20. After this third ten minute period is over, DIC will say “Ready for Fob #1” Regardless of the number on the Fob, the FIRST Fob that is put in the glovebox slot will be recognized as Fob #1. Put the first Fob in the glovebox slot with the buttons facing to the right (passenger) side and the keyring end facing outwards.
21. After 3 or four seconds the DIC will beep and say “Ready for Fob #2”. Put the second Fob in the slot. The car will take a maximum of four fobs. When you have no more Fobs to program, push the bottom half of the Start button to end the programming session.
22. Test all buttons on the fobs to make sure they work, then take all fobs away from the car and, one by one, try using each to start the car.


Please read through the rest of the thread as many people have added their tips and tricks...lots of good info

Added 9/13/2015: If the car CAN be put into the programming mode but the slot FAILS to recognize a fob, it could be that the system antenna that is attached directly behind the slot is either: 1. defective or 2. (More likely)Unplugged from its' wiring harness or 3. (Also more likely) not properly positioned in its' own slot directly behind the glovebox slot. Pulling the glovebox out will allow this to be easily observed. This antenna must be very very close to the fob in the slot in order to program the fob. See this thread for a diagram and pics of a situation where the antenna was not replaced into its' slot after work was done. It caused serious problems and yet was a very simple fix:
https://www.corvetteforum.com/forums...b-only-me.html

Thanks to GhostC6 and Dano523 for some good pictures, diagrams and analysis on the problem.
Great post, I followed the manual to a letter an it did not work. The manual does not say to take other fobs out of range. I followed this and it work perfectly. Suggest the poster write manuals for Cheverlot! Good job and thank you!!
Old 12-26-2017, 11:09 PM
  #514  
RobJoy
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Here's my problem(s). 1.Sometimes the car will unlock when I approach it, sometimes not. I play around with the buttons on the fob because I'm not sure what else to do, and I'm not sure what enables the door to unlock - it just suddenly allows me to open the door. I've even tried holding the fob away from the door and even walked around the car while pushing the unlock button. Sometimes I can get into the car by doing this, sometimes not. 2. Sometimes the car recognizes the fob and starts when I push the ignition button, sometimes not. I've tried placing the fob in the glove box slot with the buttons pointed toward the passenger side and sometimes the car will start and sometimes it will not, sometimes the boot will pop up and sometimes not (usually not) with the fob in the slot. Sometimes I've even tried putting the fob in the slot with the buttons facing toward the driver's side, sometimes it works and sometimes it doesn't (usually doesn't but neither does it facing toward the passenger side). I just keep playing with the ignition start or accessory function until one or the other activates. I just put a fresh battery in the fob several days ago, and I have bought a new Interstate battery for the car a week ago The old battery was a 4-1/2 year old Delco that I got from the dealer. The same problems persist. The only thing that is consistent about the fob is the horn beeps if I leave it in the car. The problem here is the intermittent responses to my actions, nothing is consistently a problem but it's definitely a problem often enough that my girlfriend starts to think after 2-3 minutes that she's going to have to call a taxi to get home.
I got only one fob when I bought the car, and I have just bought but haven't yet received a used fob that I will be trying to add to the car.
Old 02-13-2018, 11:33 PM
  #515  
chuzo
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I just want to share my experience. I recently bought a 2007 c6 z06 (Export/European version) that came with only one key fob (old style), therefore the only way I could program a key fob was through a dealer.
As I like to stay away from the local dealer in my country I decided to buy a gmtech2 tool that came with TIS2000 software. After a lot of failed tries trying to understand the procedure to program a new key fob. I finally got one fob working doing the following:

*You will need the service programming system software on your computer (luckily TIS2000 worked for me because my car was 2007).

1. Connect your GMtech2 tool on your car and request info under the service programming system option.

2. After the car information is loaded into the tool, disconnect it and connect the tool to your computer and SPS software.

3. On the SPS application select the programming option to prepare anti-theft module (in this case the RCDLR) and it will load flash data to the gmtech2 tool to “unlock” the module in the car for programming the FOB.

4. Connect the tool to the car and select the SPS option and program the ECU. This will take about 10 minutes and after the flash the RCDLR will be unlocked.

5. Then on the gmtech2 tool go to the diagnostics menu to the RCDLR module and select the “program key fob x”, (where x = 1, 2, 3, or 4)

The following steps would be similar to the “C6 Fob, Short procedure” posted on this thread.

6. Put the new FOB on the glovebox and select “program” on the gmtech2. The DIC will indicate the key fob number and after the Fob is programmed a beep will sound.

With this procedure I managed to program a new key fob (new style 2008+)

Hope this helps any forum member that has an “Export/European” model like me.

This link help me out: https://www.justanswer.com/chevy/6av...reprogram.html
Old 02-17-2018, 09:02 AM
  #516  
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Just programmed my 2006 C6. Turning the key was too inconsistent - pulled the plug off of the trunk latch assembly and shorted the tan + black (ground) wires and it worked great. Latch open, door open, windows down, in reverse (manual), car off... DIC didn't beep but I could hear it clicking all the relays when it got the signal.
Old 02-21-2018, 11:57 AM
  #517  
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Originally Posted by cclive
I have redone the instructions to include a test of the glovebox slot before doing the long procedure so that people don't get into a situation where they erase all the old fobs and then find that the slot doesn't work and they can't add new fobs back to the system. I also would recommend that you attach a battery tender or charger to the car if you have one as a low battery can cause all kinds of crazy behavior from the car. This is especially important when doing the long procedure as it takes 30 minutes. Also, it is a good idea to disable the autolock feature if you have enabled it because it is a pain to have the car lock itself on you while doing this procedure and then have the horn honk when you open the door. Please keep in mind that cars made for export to Canada can only do the short procedure, the long must be done by a dealer. Cars made for export to Europe cannot do either long or short procedure, they must be programmed by a dealer. I believe this is the case for cars destined for the GCC countries also, but would like to hear from an owner there to confirm it.
Since the glovebox slot is something that most C6 owners never have used, they would normally be unaware that it is not working and may have never worked since the car was made. This is unique in the car because almost all the other systems in the car have been used at least once by the owner so as to know if they work. The metal key in the trunk lock would be another area that should be tested by the owner.
The glovebox slot has no electrical plug in it. There is no direct, wired connection to the fob...it is simply a place that holds the fob right next to what is basically an antenna. The end of the fob that holds the keyring must face outwards and the fob buttons must face to the passenger side.
Here are the instructions including the long, short and the test procedure for the slot.



C6 Fob Programming Instructions

Before starting, it is important to make sure that the glovebox slot is working properly. If it is not, and the long procedure is started, then the car will be stripped of its fob programming, but will then not be able to accept new fob programming through the slot. This will leave the car unable to be started. Since most C6 owners have never tested the slot, or had to use it to start the car with a dead fob, they would be unaware if it had never been working properly since the car was new. To make sure that the glovebox slot is working, follow steps 1-6 below. Then in step 7, you may either insert the new, unprogrammed fob into the slot and continue to step 8, or you may insert one of the fobs that is currently programmed to the car into the slot. If the slot is presented with a fob that is ALREADY programmed to the car, the DIC will say “Known Fob”. This shows us that the slot is working correctly by recognizing this fob. Push the bottom half of the start button to end the session if you were just testing the slot for proper operation.


C6 Fob, Short Procedure….use these instructions 1-10 when you have a working fob and just want to add another to the system, or to test the operation of the glovebox slot.

1. Put drivers window down all the way, then turn car off
2. Unlock car and open trunk
3. Glove box open
4. Put working fob on console next to shifter (the one you are currently using to drive the car) IMPORTANT. Also make sure no cellphones are in the car.
5. Put key in trunk keyhole and turn key five times in less than 5 seconds.
6. DIC will now beep and light up and say “Ready for fob 3”.
7. Put new unprogrammed fob in slot by glovebox with buttons facing right (passenger) side and keyring facing outwards.
8. Wait and watch DIC. When it says “Ready for fob 4” it is done. Up to four Fobs may be programmed to the car total.
9. When all Fobs are programmed, push OFF/ACC (bottom half of start button) to turn off DIC.
10. Test all four buttons on fob and then take away all other fobs and check car starting with new fob(s).

Testing the glovebox slot above. Step 6 gets the system into the program mode so that if you then put an unknown fob into the slot in step 7, it will be added to the car. If you put the already working fob into the slot in step 7, the DIC will say "KNOWN FOB" and nothing additional will be programmed. When it says KNOWN FOB, it shows you that the slot is working as it has read the fob and told you that it already has that fob programmed to the car. At this point, just push the OFF part of the start button and all is good, no changes made. If , at step 7, you put a known fob in the slot and the DIC does not say KNOWN FOB, then the slot is not working and you should not do the long procedure.




C6 Fob Long Procedure….use these instructions 11-22 to erase car memory and reprogram all Fobs. Be sure to confirm proper operation of the glovebox slot with the short procedure before using this one. Any lost Fobs that are not reprogrammed with this procedure will no longer work on the car. Lost Fobs that are later found may be added to the car with the short programming procedure. This procedure requires three consecutive ten minute waiting periods, so plan on spending about a half hour to do this, during which the car may not be moved. Remember that the number printed on the Fob only indicates the way it was first programmed at the factory. All Fobs are identical. The order in which they are placed in the glovebox slot determines what number the Fob is.

11. Drivers window down, car off
12. Trunk open
13. Glove box open
14. Make sure NO Fobs are anywhere near the car. IMPORTANT.
15. Put key in trunk keyhole and turn key five times in less than 5 seconds.
16. DIC will now beep and light up and say “Off/Acc to learn” If you decide at this point NOT to do the programming now, push the TOP half of the Start button and the car will return to normal. With step 17, all previous fobs will be erased. To continue with programming:
17. Push bottom half of the Start button. DIC will say to wait 10 minutes and will start counting down the minutes. You may close the trunk and car door while waiting for the ten minute countdowns.
18. After the first 10 minute countdown, DIC will again say “Off/Acc to learn”. Push bottom half of Start button again. DIC will again start counting down the ten minutes.
19. After the second 10 minute countdown, DIC will again say “Off/Acc to learn”. Push bottom half of Start button again. DIC will again start counting down the ten minutes.
20. After this third ten minute period is over, DIC will say “Ready for Fob #1” Regardless of the number on the Fob, the FIRST Fob that is put in the glovebox slot will be recognized as Fob #1. Put the first Fob in the glovebox slot with the buttons facing to the right (passenger) side and the keyring end facing outwards.
21. After 3 or four seconds the DIC will beep and say “Ready for Fob #2”. Put the second Fob in the slot. The car will take a maximum of four fobs. When you have no more Fobs to program, push the bottom half of the Start button to end the programming session.
22. Test all buttons on the fobs to make sure they work, then take all fobs away from the car and, one by one, try using each to start the car.


Please read through the rest of the thread as many people have added their tips and tricks...lots of good info

Added 9/13/2015: If the car CAN be put into the programming mode but the slot FAILS to recognize a fob, it could be that the system antenna that is attached directly behind the slot is either: 1. defective or 2. (More likely)Unplugged from its' wiring harness or 3. (Also more likely) not properly positioned in its' own slot directly behind the glovebox slot. Pulling the glovebox out will allow this to be easily observed. This antenna must be very very close to the fob in the slot in order to program the fob. See this thread for a diagram and pics of a situation where the antenna was not replaced into its' slot after work was done. It caused serious problems and yet was a very simple fix:
https://www.corvetteforum.com/forums...b-only-me.html

Thanks to GhostC6 and Dano523 for some good pictures, diagrams and analysis on the problem.
I have turned the key as many as 30 times but CID message wont appear. I programmed another fob in this car using the same procedure and it worked but the fob was defective, wouldn't open the trunk.

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To C6 Comprehensive Fob Programming Instructions

Old 02-21-2018, 03:11 PM
  #518  
Riverguy#1
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the DIC will not respond to turning the key turning 5 times or 30 times. I programmed on fob but cannot program the third one.
Old 02-21-2018, 09:12 PM
  #519  
scottandrewrogers
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Yeah, I couldn't get the key to work either - when I shorted the wires together I did it REALLY fast - like way faster than five times in five seconds. Also, moved both fobs WAY more than 20 feet away - just in case.
Old 02-25-2018, 02:07 PM
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HKH
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After replacing the battery, the two fob batteries, reprogramming the fobs I was dead in the water. I then checked the fobs and I had put the new batteries in backwards. Problem solved.


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