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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2015SILVERADO 1500 HIGH COUNTRY, 5.3L ENG VIN C, RWD, GASREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - K73 X2 TO P19W UQACOMPONENT CONNECTOR END VIEWSK74 HUMAN MACHINE INTERFACE CONTROL MODULE X1
2015 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN C, RWD, Gas
K74 Human Machine Interface Control Module X1
2015 Chevrolet Silverado 1500 High Country, 5.3L Eng VIN C, RWD, GasSECTION K74 Human Machine Interface Control Module X1
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 19300660 | J-35616-64B (LT BU) | J-38125-11A | Not Required | Not Required | Not Required | Not Required |
| I | 19300660 | J-35616-64B (LT BU) | J-38125-11A | Not Required | Not Required | Not Required | Not Required |
| II | 19300660 | J-35616-64B (LT BU) | J-38125-12A | Not Required | Not Required | Not Required | Not Required |
| II | 19300660 | J-35616-64B (LT BU) | J-38125-12A | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 0.35 0.35 0.35 |
GY/YE GY/YE - D-BU |
5149 5149 655 655 |
Voice Recognition Audio Signal Voice Recognition Audio Signal Cellular Telephone Microphone Signal Cellular Telephone Microphone Signal |
I II I II |
- - - - |
| 2 | 0.35 0.35 0.35 0.35 |
BK/GY BK/GY BK/BN BK/BN |
5152 5152 654 654 |
Voice Recognition Audio Low Reference Voice Recognition Audio Low Reference Cellular Telephone Microphone Low Reference Cellular Telephone Microphone Low Reference |
II I I II |
- - - - |
| 3 - 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.35 0.35 |
WH/D-BU WH |
5986 5986 |
Serial Data Communication Enable | II I |
- - |
| 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.75 0.75 |
RD/VT RD/VT |
340 340 |
Battery Positive Voltage | II I |
- - |
| 8 | 0.75 0.75 |
BK BK |
2550 2550 |
Ground | II I |
- - |
| 9 | 0.5 0.5 |
L-GN/WH - |
7527 7527 |
Local Interconnect Network Serial Data Bus 5 | II I |
- - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | 0.5 0.5 |
- D-BU |
2500 2500 |
High Speed GMLAN Serial Data (+) (1) | I II |
- - |
| 12 | 0.5 0.5 |
WH WH |
2501 2501 |
High Speed GMLAN Serial Data (-) (1) | I II |
- - |
| 13 | 0.5 0.5 |
- D-BU |
2500 2500 |
High Speed GMLAN Serial Data (+) (1) | I II |
- - |
| 14 | 0.5 0.5 |
WH WH |
2501 2501 |
High Speed GMLAN Serial Data (-) (1) | I II |
- - |
| 15 - 16 | - | - | - | Not Occupied | - | - |
RENDER: 1.0x
NO RELATED
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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.