Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 152 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESONSTAR BUTTON LED MALFUNCTIONDIAGNOSTIC FAULT INFORMATION
2013 Buick Regal Turbo Premium, Standard Trans
Diagnostic Fault Information
2013 Buick Regal Turbo Premium, Standard TransSECTION Diagnostic Fault Information
WARNING: This page is about a different car, the 2012 Buick Regal. 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 |
|---|---|---|---|---|
| 10 V Reference | - | B2476 04 | - | - |
| Control Terminal 6 | 1 | 1 | 2 | - |
| Control Terminal 7 | 1 | 1 | 2 | - |
| Signal Terminal 3 | 3 | 3 | - | B2476 59, B2482 00 |
| Ground | - | B2476 04 | - | - |
| 1. OnStar® LED Inoperative 2. LED Illuminated At All Times 3. OnStar® Buttons Inoperative |
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.