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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P0634: Control Module Overtemperature >> Diagnostic Aids

Diagnostic Aids

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During a road test, the TCM temperature should steadily increase to a normal operating temperature, then stabilize.

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