Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2020ACADIA SLE, 2.5L ENG VIN AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 49 (COMPONENT CONNECTOR END VIEWS (K36 (X2)-K124))COMPONENT CONNECTOR END VIEWSK56 SERIAL DATA GATEWAY MODULE X1 (HOLDEN)
2020 GMC Acadia SLE, 2.5L Eng VIN A
K56 Serial Data Gateway Module X1 (Holden)
2020 GMC Acadia SLE, 2.5L Eng VIN ASECTION K56 Serial Data Gateway Module X1 (Holden)
WARNING: This page is about a different car, the 2019 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 19370262 | EL-35616-58 (BK) | EL-38125-58 | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | RD/WH | 140 | Battery Positive Voltage | I | - |
| 2 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.35 | BK/WH | 1751 | Signal Ground | I | - |
| 8 | 0.35 | BU/GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 9 | 0.35 | WH/GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 10 - 12 | - | - | - | Not Occupied | - | - |
| 13 | 0.35 | BU/WH | 2089 | High Speed GMLAN Serial Data (+) (13) | I | - |
| 14 | 0.35 | WH | 2090 | High Speed GMLAN Serial Data (-) (13) | I | - |
| 15 | 0.35 | BU/BK | 1978 | High Speed GMLAN Serial Data (+) (11) | I | - |
| 16 | 0.35 | WH | 1979 | High Speed GMLAN Serial Data (-) (11) | I | - |
| 17 | 0.35 | BU/BN | 1980 | High Speed GMLAN Serial Data (+) (12) | I | - |
| 18 | 0.35 | WH | 1981 | High Speed GMLAN Serial Data (-) (12) | I | - |
| 19 | - | - | - | Not Occupied | - | - |
| 20 | 0.35 | GN | 5060 | Low Speed GMLAN Serial Data | I | - |
| 21 - 25 | - | - | - | Not Occupied | - | - |
| 26 | 0.35 | GN/WH | 2100 | Low Speed GMLAN Serial Data #3 | I | - |
| 27 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.35 | GY/GN | 1102 | Low Speed GMLAN Serial Data #2 | I | - |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • 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.