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.
M129C Intake Camshaft Profile Actuator 3 (LSY)
2020 GMC Acadia SLSECTION M129C Intake Camshaft Profile Actuator 3 (LSY)
WARNING: This page is about a different car, the 2023 GMC Acadia. 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 |
|---|---|---|---|
| I | Not required | J-35616-16 (L-GN) | No Tool Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | YE/BU | 3587 | Intake Camshaft Profile Actuator 3 Control A | I | LSY |
| 2 | 0.5 | BK/GN | 3593 | Intake Camshaft Profile Actuator 3 Position Sensor Signal | I | LSY |
| 3 | 0.5 | BK/YE | 548 | Engine Control Sensors Low Reference 1 | I | LSY |
| 4 | 0.5 | BU/RD | 460 | Engine Control Sensors 5 Volt Reference 1 | I | LSY |
| 5 | 0.5 | VT/BU | 5293 | Powertrain Main Relay Fused Supply Voltage 4 | I | LSY |
| 6 | 0.5 | GY | 3586 | Intake Camshaft Profile Actuator 3 Control B | I | LSY |
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.