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Question
Szilla
I have a 2012 Suburban, owned since new. Yesterday the key fob / remote / keyless transmitter stopped working. It stopped, then worked a couple times to unlock, then quit completely. I assumed it was a bad battery (10+ years old), so I replaced it with a new battery, still didn't work. I have the second remote that's only been used a couple times when the keys were "lost", and it doesn't work either. No response from any buttons. I checked the batteries in both, and both batteries are at 3.3 volts. I pulled the DSM fuse for 5 minutes and then disconnected the vehicle battery for 5 minutes, no change. I have tried holding the remote right next to where (I think) the RCDLR is in the left-rear pillar, still no response. The TPMS system works fine, reading all 4 tires correctly with no errors. I hooked up my ODB2 scanner, and it doesn't show any codes.
Do I have two dead remotes? Or has the RCDLR partially stopped working? I called the dealer, all they said was "buy a new remote, your two remotes have died". I asked, why would an unused 10 year old remote die? No answer, just come in and buy one. I have no faith in my dealership's service department based on previous repairs unfortunately, so I thought I'd ask here. My local locksmith will attempt a re-sync for $50, but they said if they're both not working it's not that. Unfortunately this year model won't allow the user to add or reprogram a remote.
Thanks in advance for any ideas of what to try, or what might be the issue.
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