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Automatic Transaxle - 4T45-E - Service, Overhaul, Troubleshooting & Diagnosis
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Diagnostic Information And Procedures
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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