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2003
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C 3500 Truck 2WD V8-6.0L VIN U
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Superceded Bulletins
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OnStar(R) - System Upgrade Information
OnStar(R) - System Upgrade Information
This TSB number 05-08-46-006B, dated 08/31/05 has been superceded by TSB number 05-08-46-006R , dated 05/16/12