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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1030 (Automatic Transmission - 4L80-E/4L85-E (Troubleshooting)) >> Troubleshooting >> Torque Converter Clutch (TCC) Stuck On

Torque Converter Clutch (TCC) Stuck On

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Torque Converter Clutch (TCC) Stuck On

Checks Cause
Gasket (6) Damaged
TCC Shift Solenoid Valve (323)
  • Stuck On
  • Pinched wire to ground
TCC Apply Valve (324) Stuck
PCM Failed
Check PCM for current DTCs
Refer to Incorrect Torque Converter Clutch (TCC) Apply or Release .