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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission - 4L80-E/4L85-E - Service, Diagnosis & Trouble Shooting) >> Troubleshooting >> Torque Converter Clutch (TCC) Stuck On

Torque Converter Clutch (TCC) Stuck On

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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 .
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