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Home >> GMC >> 1998 >> Yukon RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Automatic Transmission Diagnosis - 4L80-E (Gasoline)) >> Diagnostic Tests >> DTC P0741: Torque Converter Clutch (TCC) Circuit Inoperative (Stuck Off) >> Notes

DTC P0741: Torque Converter Clutch (TCC) Circuit Inoperative (Stuck Off): Notes

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NOTE: Perform OBD system check prior to performing diagnostics. For wire circuit identification, see WIRING DIAGRAMS . For oil circuit identification, see OIL CIRCUIT DIAGRAMS in AUTO TRANS OVERHAUL article. DTC P0741 inspects for High TCC slip in 2nd and 3rd gear only. Transmission must be in hot mode or experiencing a wide open throttle maneuver in order for TCC apply to occur in 2nd and 3rd gear.