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.

2006 Hummer H2 V8-6.0LFACTORY OEM SERVICE PROCEDURE

Transmission Position Sensor/Switch: Locations

Automatic Transmission Electronic Component Views

Electronic Components:

36 - Vehicle Speed Sensor (VSS) - Model Dependent
66 - Torque Converter Clutch (TCC) Solenoid Valve
69 - Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
108 - Secondary Fluid Pump Assembly - M33 Model Only
250 - Input Speed Sensor (ISS) Assembly - Model Dependent
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 Assembly
396 - Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve

Park Neutral Position (PNP) Switch:

1 - Automatic Transmission 4L60-E/4L65-E
2 - Park/Neutral Position (PNP) Switch

C175:

1 - Automatic Transmission
2 - C175

Vehicle Speed Sensor (VSS):

1 - VSS Sensor
2 - Transfer Case

Ride Height Switch:

1 - IP Compartment
2 - Traction Control Switch
3 - Tow/Haul Switch
4 - Ride Height Switch

Factory Service Tools

Use the Manual With the Right Hardware

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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.

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