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Sierra Denali Classic AWD V8-6.0L
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A/T Controls - Multiple DTC's/Electrical Malfunctions
A/T Controls - Multiple DTC's/Electrical Malfunctions
This TSB number 08-07-30-021B, dated 09/08/08 has been superceded by TSB number 08-07-30-021F , dated 05/26/11