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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1148 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0974) >> DTC P0756 >> Conditions for Setting the DTC >> Condition 1

Condition 1

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Commanded gear equals first lock, (engine braking) or first freewheel and gear box slip is equal or greater than 100 RPM for more than 5 seconds.