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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 663 (COMPUTER/INTEGRATING SYSTEMS)COMPONENT LOCATORCOMPUTER/INTEGRATING SYSTEMS CONNECTORSBODY CONTROL MODULE (BCM) - C2
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Body Control Module (BCM) - C2

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Body Control Module (BCM) - C2
WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) - C2

GM73156Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110088
  • 24-Way F Micro-Pack 100 Series (GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 D-BU 1796 Steering Wheel Radio Controls Supply Voltage (UK3)
A3 D-BU 245 Passenger Door Lock Switch Unlock Control - Base
TN/BK 254 Rear Door Unlock Relay Control - Uplevel
A4 PK/WH 1970 Headlamp Low Beam Relay Control
A5 D-GN/WH 1317 Fog Lamp Relay Control
A6 L-BU 244 Passenger Door Lock Switch Lock Control - Base
GY/BK 255 Rear Door Lock Relay Control - Uplevel
A7 - - Not Used - Uplevel
L-GN 1391 Driver Door Unlock Relay Control - Base
A8 WH 193 Rear Defog Relay Control
A9-A10 - - Not Used
A11 RD/WH 812 12-Volt Reference
A12 OG 1140 Battery Positive Voltage
B1 BK/WH 1969 Headlamp High Beam Relay Control
B2 WH 1080 Park Lamp Relay Control
B3 D-BU 1353 RAP Supply Voltage
B4 L-GN/BK 592 DRL Relay Control
B5 PU 359 DRL Off Indicator Control
B6 BK/WH 1851 Ground
B7 BK 1835 Security System Sensor Low Reference
B8 PK 1348 Headlamp On Indicator Control
B9 BK 28 Horn Relay Control
B10 - - Not Used
B11 GY 1056 Dimming Potentiometer 5-Volt Reference
B12 L-GN 1037 BCM Class 2 Serial Data
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.