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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0634 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2021 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Condition 1 

TCM Temperature = Warmer than 144°C (291°F) - For greater than 5 s

Condition 2 

TCM Temperature = Warmer than 50°C (122°F) - For greater than 2 s