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Home >> Cadillac >> 2015 >> CTS V, Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - 6L90 (MYD) - Diagnostic Information And Procedures (Coupe) >> Diagnostic Information and Procedures >> DTC P0601, P0603, P0604, or P062F: Control Module Memory >> Circuit/System Description
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Circuit/System Description

This is an internal fault detection of the control solenoid valve assembly. This fault is carried out inside the Transmission Control Module and no external circuits are involved.

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