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Home >> GMC Truck >> 1994 >> C 2500 Truck 2WD V8-305 5.0L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> 4L80-E Automatic Transmission >> TCC Stuck On

TCC Stuck On

1. Malfunctioning TCC solenoid.

2. TCC apply valve stuck.

3. Quad driver module failure.

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