NumberUsage1Rear Driver Control Module / DC DC Transformer2Left Window3Body Control Module 84A/C Inverter5Passive Entry Passive start Battery 16Body Control Module 47Heated Mirrors8Amplifier9Rear Window Defogger10Glass Break11Trailer Connector12Onstar (If Equipped)13Right Window14Electric Parking Brake15Not Used16Trunk Release17Run Relay18Logistics Relay19Not Used20Rear Window Defogger Relay21Mirror Window Module22Spare23Canister Vent24Body Control Module 225Rear Vision Camera26Front Ventilated Seats27SEZA / LOW / EOCM28Trailer29Rear Heated Seats30Semi-Active …
