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Old 02-27-2016, 09:44 PM   #1
riderpride
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Default Can I have more than 1 remote fob 03 Tahoe?

Sorry if this is posted elsewhere.

I bought 2 new fobs from Amazon (and cut 2 new keys). Went through the programming steps and they worked fine. So, I thought I had 3 fobs. Took the new ones in the house and went back to tinker with my radio presets.

When I finished tinkering, I tried to lock the vehicle with the old fob. It didn't work. Tried the new fobs and only one worked. I made sure I had only one fob with me (others in the house) and repeated the programming steps. Basically, it appears that when I program one fob, the others won't work. I bought the Tahoe used and thought it odd that they only gave me 1 fob. But now I suspect that you can only have one for the 2003 Tahoe. Can anyone verify this?

FYI, I disconnected the purple harness from the BCM to solve my 'rear door ajar' and 4 am alarm issues. Not at the point of needing to spend the money/time on it. I disconnected before programming the fobs.

Thanks in advance.
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Old 03-12-2016, 04:39 AM   #2
20005tahoe
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If you program one fob you have to reprogram all at the same time
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Old 08-20-2017, 06:54 PM   #3
chubbs
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Quote:
Originally Posted by 20005tahoe View Post
If you program one fob you have to reprogram all at the same time
Is this true? I bought a 2003 that came with 1 fob. Wanting to get a 2nd fob for wife's keychain. The original works fine so if I buy a new unit, what all do I need to know as to have both working properly instead of creating problems like rendering the original non-operational?
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Old 10-20-2017, 07:17 PM   #4
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Yes it is true.
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Old 10-23-2017, 04:31 PM   #5
Dsmspickdad
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Program every FOB


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Old 10-30-2018, 04:25 PM   #6
SmokChsr
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As I understand it, for the most part each time you enter programming mode it erases all fob's and starts over. So when programming program all at one time. I did this with an 05 Tahoe and all fobs work fine.

Keep in mind when the vehicle was new it came with 2 working Fobs.
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