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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 P0667, P0668, or P0669 >> Conditions for Setting the DTC >> Fail Case 3

Fail Case 3

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The TCM temperature changes by greater than or equal to 20°C (36°F) 14 times over 7 seconds.

DTC P0668 

The TCM temperature is greater than or equal to 161°C (321°F) for greater than 10 seconds.

DTC P0669 

The TCM temperature is less than or equal to -61°C (-77°F) for greater than 10 seconds.

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