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Home >> GMC >> 1998 >> Envoy >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System >> Removal & Installation >> Truck Body Control (TBC) Module >> Notes
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Truck Body Control (TBC) Module: Notes

NOTE: Always disconnect Brown TBC connector first and connect Brown TBC connector last. Disconnecting connectors will set DTCs. After repair, clear DTCs.
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