LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2009 >> STS Base, 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Cellular System, Entertainment System & Navigation System) >> Diagnostic Information and Procedures >> OnStar Button LED Inoperative >> Diagnostic Fault Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Fault Information

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Keypad Supply Voltage B2476 00 B2476 00 B2476 00 -
Keypad Green LED Signal 1 1 2 -
Keypad Red LED Signal 1 1 2 -
Keypad Signal 3 3 - -
Inside Rearview Mirror Ground - 1 - -
1. OnStar® LED Inoperative
2. LED Illuminated At All Times
3. OnStar® Buttons Inoperative