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Service bulletin SB-04-07-30-013C

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10072027
Published by NHTSA2016-06-17
Manufacturer's numberSB-04-07-30-013C
Manufacturer's date2015-10-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Transmission and driveline, Automatic transmission

Vehicles listed
GMC GENERAL MOTORS
GMC GM
GMC GM OF CANADA

Listing a model year does not mean every vehicle of it is concerned: the document says which.