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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Sunroof System) >> Diagnostic Information and Procedures >> DTC B3664: Sunroof Position Select Switch High Signal Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

B3664 02 

The sunroof motor has detected and reported via serial data that the sunroof switch signal is shorted to ground.

B3664 05 

The sunroof motor has detected and reported via serial data that the sunroof switch signal is open or shorted to voltage.

B3664 59 

The sunroof motor has detected and reported via serial data that the sunroof switch has been in the same active position for 20 s after the glass has stopped moving in the requested direction due to reaching the end of the allowable motion.

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