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 MANUALSBUICK2010LUCERNE CXL, 3.9 1REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 314 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 1-2 SHIFT SOLENOID THROUGH ENGINE CONTROL MODULE X1)COMPONENT CONNECTOR END VIEWSAUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR (AT ISS)
2010 Buick Lucerne CXL, 3.9 1
Automatic Transmission Input Shaft Speed Sensor (AT ISS)
2010 Buick Lucerne CXL, 3.9 1SECTION Automatic Transmission Input Shaft Speed Sensor (AT ISS)
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Automatic Transmission Input Shaft Speed Sensor (AT ISS)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| A | 0.35 BK | 1230 | AT ISS High Signal |
| B | - | - | Not Used |
| C | 0.35 D-GN | 1231 | AT ISS Low Signal |
Connector Part Information
Terminal Part Information
|
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.