2000-2009 GM vehicles with OnStar Gen 6 or 7 Continental built VCI M may exhibit current or history DTC B2476. The customer may report an intermittent red OnStar status LED. The OnStar status LED will be illuminated in red if the DTC is current. This may be a normal condition.
With the DTC current, the technician should perform an OnStar key press. If the OnStar key pad does respond, then DTC B2476 is a false code and is caused by a software anomaly. Do not replace the VCI M.
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