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Service bulletin SB-10222

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 id10033984
Published by NHTSA2010-10-07
Manufacturer's numberSB-10222
Manufacturer's date2010-07-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION; ENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

BUICK/CHEVROLET/GMC: SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES; INCREASED RPM DURING CERTAIN SHIFTS-EXPIRES WITH BASE WARRANTY. PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE TRANSMISSION CONTROL MODULE ON CERTAIN VEHICLES EQUIPPED WITH 6 SPEED TRANSMISSION (6T70/6T75). *PE

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, Manual transmission

Vehicles listed
BUICK ENCLAVE2011
BUICK LACROSSE2011
CHEVROLET TRAVERSE2011
GMC ACADIA2011

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

Other bulletins for the same vehicles and component
990420002L2021-08-09. Service bulletin. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
030729004L2019-05-20. Service bulletin. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
03-07-29-004J2018-05-21. Service bulletin. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
SB-03-07-29-004K2016-08-06. Service bulletin. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.