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 MANUALSGMC2020SAVANA 3500 LS, VAN PASSENGER, 6.0L ENG VIN B, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K9 (X6)-K64)COMPONENT CONNECTOR END VIEWSK38 CHASSIS CONTROL MODULE
2020 GMC Savana 3500 LS, Van Passenger, 6.0L Eng VIN B, Gas/Ethanol
K38 Chassis Control Module
2020 GMC Savana 3500 LS, Van Passenger, 6.0L Eng VIN B, Gas/EthanolSECTION K38 Chassis Control Module
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 | 13575408 | J-35616-4A (PU) | J-38125-215A | Not Required | Not Required | Not Required | Not Required |
| II | 13578883 | J-35616-64B (LT BU) | J-38125-215A | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 3 | RD/WH | 1940 | Secondary Fused Battery Positive Voltage 19 | I | - |
| 2 - 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | II | - |
| 6 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | II | - |
| 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.5 | VT/YE | 5985 | Accessory Wake-Up Serial Data | II | - |
| 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.5 | BU/WH | 7446 | Fuel Pressure Sensor Signal | II | - |
| 11 - 12 | - | - | - | Not Occupied | - | - |
| 13 | 2.5 | GY | 120 | Fuel Pump Control | I | - |
| 14 - 16 | - | - | - | Not Occupied | - | - |
| 17 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | II | - |
| 18 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | II | - |
| 19 | - | - | - | Not Occupied | - | - |
| 20 | 0.5 | L-GN/GY | 465 | Fuel Pump Primary Relay Control | II | - |
| 21 | 0.5 | VT/GY | 2739 | Run/Crank Ignition 1 Voltage 27 | II | - |
| 22 | 0.5 | BN/RD | 7445 | Fuel Pressure Sensor 5V Reference | II | - |
| 23 | 0.5 | BK/YE | 7447 | Fuel Pressure Sensor Low Reference | II | - |
| 24 | 0.5 | BK | 1350 | Ground 13 | II | - |
| 25 | 2 | BK | 2150 | Ground 21 | I | - |
| 26 - 37 | - | - | - | Not Occupied | - | - |
| 38 | 2.5 | BK/L-GN | 1580 | Fuel Pump Low Reference | 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.