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Flashing Service 4WD

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Old 06-29-2024 | 09:22 PM
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Default Flashing Service 4WD
I have a 2000 GMC Jimmy SLT with the NP8 transfer case.

Troubleshooting the Flashing Service 4WD issue. Does anybody know if you need pre-programming when replacing the TCCM with a Remanufactured unit like this one?
https://www.ebay.ca/itm/166749082974
Or is it a plug and play unit
 
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