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.
Automatic Transmission Input Shaft Speed (A/T ISS) Sensor
2008 Pontiac Grand Prix BaseSECTION Automatic Transmission Input Shaft Speed (A/T ISS) Sensor
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.
Automatic Transmission Input Shaft Speed (A/T ISS) Sensor
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A | 0.35 D-GN | 1231 | ISS Low Signal |
| B | 0.35 BK | 1230 | ISS High 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.