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Home >> Cadillac >> 2017 >> XTS Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 (M7U M7W), 6T75 (M7V), Or 6T80 (Mhm) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0667, P0668, Or P0669: Control Module Temperature Sensor Circuit >> Diagnostic Aids

Diagnostic Aids

The TCM temperature sensor is located inside of the control solenoid valve assembly and its output should resemble that of the transmission fluid temperature sensor output. During a road test, the TCM temperature should steadily increase to a normal operating temperature, and then stabilize.