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Home >> Chevrolet >> 2012 >> Tahoe Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1728 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Symptom Troubleshooting And Diagnosis) >> No Torque Converter Clutch Release

No Torque Converter Clutch Release

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
TCC Solenoid Valve (Part of 66)
  • External ground
  • Clogged exhaust orifice
Converter (1) Internal damage
Valve Body Assembly (60) The converter clutch apply valve is stuck in the apply position.
Oil Pump Assembly (4) The converter clutch valve is stuck.
PCM/TCM External ground