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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation System >> Diagnostic Information and Procedures >> OnStar® Button LED Malfunction >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
10 V Reference B2476 02 B2476 04 B2476 04 -
Red LED Control Terminal 14 1 1 2 -
Green LED Control Terminal 15 1 1 2 -
Ground - B2476 04 - -
1. OnStar® LED Inoperative
2. LED Illuminated At All Times
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