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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3 (COMPONENT CONNECTOR END VIEWS - K20 X3 LGZ TO K109)COMPONENT CONNECTOR END VIEWSK74 HUMAN MACHINE INTERFACE CONTROL MODULE X1
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
K74 Human Machine Interface Control Module X1
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K74 Human Machine Interface Control Module X1
WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. 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 | 13575845 | J-35616-64B (LT BU) | J-38125-215A | SAIT-A03T-M064 | Yazaki 14 | P | P |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | GY/YE | 5149 | Voice Recognition Audio Signal | I | - |
| 2 | 0.35 | BK/GY | 5152 | Voice Recognition Audio Low Reference | I | - |
| 3 - 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.35 | WH/BU | 5986 | Serial Data Communication Enable | I | - |
| 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.75 | RD/VT | 340 | Battery Positive Voltage | I | - |
| 8 | 0.75 | BK/WH | 2051 | Signal Ground | I | - |
| 9 | 0.5 | GN/WH | 7527 | Local Interconnect Network Serial Data Bus 5 | I | - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | 0.35 | BU/GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 12 | 0.35 | WH/GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 13 | 0.35 | BU/GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 14 | 0.35 | WH/GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 15 - 16 | - | - | - | Not Occupied | - | - |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.