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H2 4D Utility Wagon
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Section 65 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Service, Diagnosis & Troubleshooting)
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Torque Converter Clutch Intermittent - OK Cold/Slips Hot
Torque Converter Clutch Intermittent - OK Cold/Slips Hot
WARNING:
This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Intermittent TCC OK Cold/Slips Hot
Checks
Causes
TCC PWM Solenoid (396)
Leaks
Regulator Apply Valve (216)
Sticking valve
Converter Clutch Shift Valve (224)
Sticking valve