No Torque Converter Clutch Apply. Cadillac Concours 1997

For 1990-2009 cars

Checks | Causes
--- | ---
3rd Clutch Filter Screen | Clogged

Brake Switch

• | Contact corroded

• | Poor connection

• | Pinched wire

• | Misadjusted

• | No supply voltage

PCM | No signal to solenoid
TCC Control Valve | Stuck OFF due to sediment or undersized bore
TCC Feed Valve | Stuck OFF due to sediment or undersized bore
TCC Regulating Valve | Stuck OFF due to sediment or undersized bore

TCC Solenoid Valve

• | Stuck OFF

• | O-ring failed

• | No voltage to solenoid

• | Poor connection

TFT | Incorrect reading (cold)

Torque Converter

• | Ballooning

• | TCC not engaging fully or slipping

Turbine Shaft to Drive Sprocket Support O-Ring Seal

• | Damaged or leaking

• | Worn