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Home >> Chevrolet >> 2010 >> Cobalt LS, 4D Sedan, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4T45-E - Symptom Troubleshooting And Diagnosis >> No Torque Converter Clutch Release

No Torque Converter Clutch Release

No TCC Release

Checks Causes
TCC Solenoid (335)
  • Internal failure
  • A plugged fluid exhaust
  • An external ground
Torque Converter (55) Internal failure
TCC Regulated Apply Valve (339) and TCC Control Valve (344) Stuck in the TCC apply position
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