2027 GMC Sierra 1500 TSBs
3 Technical Service Bulletins across 3 categories
Categories
Other
1 bulletin11038594
This Preliminary Information communicates the fact that multiple parts for this vehicle are on a part restriction.
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Dealers are directed to check EPC for restriction notes and that it will require additional processes to obtain a restricted part.
Engine
1 bulletin11038589
This Preliminary Information informs dealers that the 2027 5.7L (L76) and 6.6L (L78) engines are on an exchange program.
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Dealers are instructed to contact the Product Quality Center to order an engine assembly.
Software & Calibration
1 bulletin11038139
This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated...
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bleed with the scan tool dues to a issue with the software in the scan tool