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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 4 (COMPONENT CONNECTOR END VIEWS - K111 TO Q77J)COMPONENT CONNECTOR END VIEWSK115 REDUCTANT CONTROL MODULE
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
K115 Reductant Control Module
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K115 Reductant Control Module
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
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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 | Not Required | J-35616-35 (VT) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | RD/GN | 2440 | Battery Positive Voltage | I | - |
| 2 | 0.5 | WH | 4499 | High Speed GMLAN Serial Data (-) 7 | I | - |
| 3 | 0.5 | L-BU/BN | 4498 | High Speed GMLAN Serial Data (+) 7 | I | - |
| 4 | 2.5 | BK | 650 | Ground | I | - |
| 5 | 0.5 | VT/GN | 4320 | Selective Catalytic Reduction Power Module Wake-Up Signal | I | - |
| 6 | 0.5 | WH | 4499 | High Speed GMLAN Serial Data (-) 7 | I | - |
| 7 | 0.5 | L-BU/BN | 4498 | High Speed GMLAN Serial Data (+) 7 | I | - |
| 8 | 2.5 | L-BU | 3921 | DEF Heater Supply 1 | I | - |
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.