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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1248 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0971) >> DTC P0741 or P0742 >> Conditions for Setting the DTC >> P0742

Conditions for Setting the DTC: P0742

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The TCM detects the TCC slip between -20 and +40 RPM for 4 seconds when the TCC is commanded OFF. This must occur 3 times.