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.
2021 GMC Terrain SLFACTORY OEM SERVICE PROCEDURE
Q8 Control Solenoid Valve Assembly X1 (MNH/MNK)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | J-35616-14 (GN) | J-38125-215A | |
| II | Pending | J-35616-4A (PU) | J-38125-215A |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 1 1.5 |
RD / VT RD / GN |
340 2173 |
Battery Positive Voltage 12V Regulated Supply Voltage 2 |
II II |
(MNK/MNH)-KL9 KL9+(MNK/MNH) |
| 2 | 1 | BK / WH | 151 | Signal Ground | II | (LYX)+(MNK/MNH) |
| 3 | 0.5 | WH / GY | 1786 | Transmission Park/Neutral Signal 1 | I | - |
| 4 - 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | I | - |
| 7 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | I | - |
| 8 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | I | - |
| 9 - 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.5 | VT / GN | 439 | Run/Crank Ignition 1 Voltage | I | (LYX)+(MNK/MNH) |
| 13 | 0.5 | VT / YE | 5985 | Accessory Wake-Up Serial Data | I | (MNK/MNH) |
| 14 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | I | - |
Factory Service Tools
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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.
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