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.
Throttle Actuator Control (TAC) Module (LS4)
2008 Pontiac Grand Prix BaseSECTION Throttle Actuator Control (TAC) Module (LS4)
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Throttle Actuator Control (TAC) Module (LS4)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A | 0.5 BN | 582 | TAC Motor Control 2 |
| B | 0.5 YE | 581 | TAC Motor Control 1 |
| C | 0.35 BK/WH | 1704 | Low Reference |
| D | 0.35 D-GN | 485 | TP Sensor 1 Signal |
| E | 0.35 L-BU/BK | 1688 | 5-Volt Reference |
| F | 0.35 PU | 486 | TP Sensor 2 Signal |
Connector Part Information
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Terminal Part Information
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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.