GMC Terrain II facelift (2021-2024) Pass-key circuit

BLK WIRE BLU WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/GRN WIRE BUS 1 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GMLAN SER DATA (-) (2) GMLAN SER DATA - (1) GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/GRN WIRE HIGH SPEED GMLAN HOOD OPEN HOOD STATUS B SIG IMMOBILIZER CONTROL MODULE (UNDER CENTER CONSOLE) IMMOBILIZER CTRL IMMOBILIZER LIN IMMOBILIZER LIN BUS 1 IMMOBILIZER LOW REF INSTRUMENT CLUSTER LOGIC NCA WIRE SERIAL DATA (-) (1) SW SIG WHT WIRE YEL WIRE