Electronic Suspension Control (ESC) Module (Z55 or G69)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
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Terminal Part Information
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Electronic Suspension Control (ESC) Module (Z55 or G69)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | - | - | Not Used |
| 2 | 0.5 PU/WH | 1205 | 5-Volt Reference |
| 3 | 0.5 PU | 1211 | 5-Volt Reference |
| 4 | 0.5 OG | 1208 | 5-Volt Reference |
| 5 | 0.5 OG/BK | 1214 | 5-Volt Reference |
| 6 | 0.5 GY | 6076 | 5-Volt Reference |
| 7 | - | - | Not Used |
| 8 | 0.5 WH | 320 | Automatic Level Control Exhaust Solenoid Control |
| 9 | 0.5 L-BU/WH | 1112 | Damping Relay Coil Control |
| 10 | - | - | Not Used |
| 11 | 0.5 L-GN/BK | 1215 | Low Reference |
| 12 | 0.5 BN | 6077 | Low Reference |
| 13-16 | - | - | Not Used |
| 17 | 0.5 TN/WH | 1207 | Left Front Suspension Position Sensor Signal |
| 18 | 0.5 TN | 1213 | Right Front Suspension Position Sensor Signal |
| 19 | 0.5 L-GN/WH | 1216 | Right Rear Suspension Position Sensor Signal |
| 20-23 | - | - | Not Used |
| 24 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 25 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 26 | 0.5 L-BU/BK | 1212 | Low Reference |
| 27 | 0.5 L-GN/BK | 1209 | Low Reference |
| 28 | 0.5 D-GN | 1115 | Low Reference |
| 29 | 0.5 GY/BK | 1117 | Low Reference |
| 30 | 0.5 GY | 1113 | Low Reference |
| 31 | 0.5 L-BU | 5986 | Serial Data Communication Enable |
| 32 | 3 RD/BK | 2440 | Battery Positive Voltage |
| 33 | 0.5 L-GN/WH | 1210 | Left Rear Suspension Position Sensor Signal |
| 34 | 0.5 TN | 6075 | Real Time Damping Air Pressure Sensor Signal |
| 35-38 | - | - | Not Used |
| 39 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 40 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 41 | 0.5 L-BU/BK | 1206 | Low Reference |
| 42 | 0.5 D-BU/BK | 1118 | Right Rear Damper Control |
| 43 | 0.5 D-BU/WH | 1114 | Left Rear Damper Control |
| 44 | 0.5 D-GN | 1119 | Low Reference |
| 45 | 0.5 L-BU/BK | 1116 | Right Front Damper Control |
| 46 | 0.5 L-BU/WH | 1107 | Left Front Damper Control |
| 47 | 3 BK | 1750 | Ground |