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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1454 (Keyless Entry System And Remote Functions) >> Diagnostic Information and Procedures >> Garage Door Opener Inoperative (One LED) >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

GDO operation is dependent on the position of the valet switch, if equipped. If the vehicle is equipped with a valet switch, verify it is not in valet mode before continuing with the diagnostics.

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