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Old 04-15-2025, 05:50 AM   #10
Brettallen59
 
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Drives: 2023 ZL1 - 1969 SS396
Join Date: Sep 2022
Location: TX
Posts: 33
I have an appointment for Friday. They told me 4-6 Hours. Since you all are seeing shorter times, I might just hang out for an hour and see what happens. But here is my main concern; I have a buddy at work that had it done on his wife's Suburban - Same "BCM Re-program". Started having problems with On-Star 4 weeks in. Now he is seeing all sensors freaking out and On-Star failing. He told me DO NOT do it! I'm reaching out here to see if there are any issues. I think I'll wait for another 30 days and check in here periodically.
B...
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2023 Code ZL1 1AL37 - Track Pack PPF - Jade Obsidian Graphene Pro Ceramic Coating
1969 Code X66 SS396 - RS Conversion - Holley Terminator TB w/ HP ECU EFI - TKO600 - 3.73 Posi.
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