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GMC TSB #PIT5362A
2015 GMC Yukon
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with visible water leak or signs of water intrusion from the antenna base, red OnStar LED, unable to connect to OnStar, OnStar unable to locate the vehicle, OnStar has inaccurate global positioning system location, no global positioning system on the navigation radio display, and inaccurate global positioning system location on the navigation radio display. Technician may find Diagnostic Trouble Codes B2462-02, B2462-04, B2470-02, B2470-04, B125C-01, B125C-02, or B125C-04. Technician should replace the high efficiency antenna with the latest part number in the catalog.
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