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 MANUALSCHEVROLET2009SILVERADO 3500 2WD V8-6.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORLOCATIONS
2009 Chevrolet Silverado 3500 2WD V8-6.0L
Vehicle Speed Sensor: Locations
2009 Chevrolet Silverado 3500 2WD V8-6.0LSECTION Locations
Powertrain Component Views
Left Side of the Transmission Components (M30)
Park Neutral Position (PNP) Switch:
1 - Automatic Transmission
2 - Park/Neutral Position (PNP) Switch
Inside the Transmission (M30)
Electronic Components:
36 - Vehicle Speed Sensor (VSS)
66 - Torque Converter Clutch (TCC) Solenoid Valve
69 - Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
250 - Input Speed Sensor (ISS)
367a - 1-2 Shift Solenoid (SS) Valve
367b - 2-3 Shift Solenoid (SS) Valve
377 - Pressure Control (PC) Solenoid Valve
394 - 3-2 Shift Solenoid (SS) Valve
396 - Torque Converter Clutch (TCC) Pulse Width Modulation (PWM) Solenoid Valve
Inside the Transmission Components (MYC/MYD)
Electronic Components:
1 - Control Solenoid Valve Assembly
2 - Input and Output Speed Sensor Assembly
3 - Automatic Transmission Internal Mode Switch
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.