K56 Serial Data Gateway Module X1
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 GMC Sierra 3500 HD, 2017 GMC Sierra 2500 HD, 2017 GMC Sierra 1500, 2017 Chevrolet Silverado 3500 HD, and 2017 Chevrolet Silverado 2500 HD. 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
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 19300660 | J-35616-64B (LT BU) | J-38125-12A | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | RD/VT | 3340 | Battery Positive Voltage | I | - |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.35 | D-BU/L-GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 4 | 0.35 | WH/L-GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.75 0.35 |
BK/WH BK/WH |
1851 1851 |
Signal Ground Signal Ground |
I I |
E29 -E29 |
| 7 | 0.5 | D-BU | 2500 | High Speed GMLAN Serial Data (+) 1 | I | - |
| 8 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | I | - |
| 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.35 | WH/D-BU | 5986 | Serial Data Communication Enable | I | - |
| 11 | 0.35 | D-BU/L-GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 12 | 0.35 | WH/L-GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 13 | 0.35 | D-BU/L-GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 14 | 0.35 | WH/L-GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 15 | 0.5 | L-GN | 5060 | Low Speed GMLAN Serial Data | I | - |
| 16 | - | - | - | Not Occupied | - | - |