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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Automatic Transmission - 6L50/6L80/6L90 - DTC P0218 To DTC P0977) >> DTC P0796 or P0797 >> Conditions for Setting the DTC >> DTC P0797

DTC P0797

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The TCM detects an incorrect off-going clutch gear ratio, or tie-up, when the low and reverse/4-5-6 clutch is commanded ON for 0.5 seconds and the transmission input shaft speed is greater than 40 RPM from the anticipated input shaft speed.

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