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Service bulletin 3170

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 id10010577
Published by NHTSA2004-12-02
Manufacturer's number3170
Replaces3170C
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

HARSH 1-2 SHIFT. *EH

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

Transmission and driveline, Automatic transmission

Vehicles listed
BUICK RAINIER2004, 2005, 2006
CADILLAC ESCALADE2004, 2005, 2006, 2007
CHEVROLET ASTRO2004 to 2005
CHEVROLET AVALANCHE2004, 2005
CHEVROLET AVALANCHE 15002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BLAZER2004
CHEVROLET COLORADO2004, 2005, 2006
CHEVROLET EXPRESS2004, 2005, 2006
CHEVROLET SILVERADO2004, 2005, 2006
CHEVROLET SUBURBAN2004, 2005
CHEVROLET SUBURBAN 15002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 25002006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2004, 2005, 2006, 2007
CHEVROLET TRAILBLAZER2004, 2005, 2006
GMC CANYON2004, 2005, 2006
GMC ENVOY2004, 2005, 2006
GMC SAFARI2004, 2005
GMC SAVANA2004, 2005, 2006
GMC SIERRA2004, 2005, 2006
GMC YUKON2004, 2005, 2006
HUMMER H22004, 2005, 2006
HUMMER H2 SUT2004
HUMMER H32006
SAAB 9-7X2006

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

Recalls for the same vehicles and component
04V3200002004-07-06. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
16-NA-1302023-03-08. Service bulletin. This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.
06-00-89-031D2021-09-07. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
06-00-89-031D2021-04-20. Service bulletin. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
150089004C2021-03-08. Service bulletin. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
1308116001F2020-12-07. Service bulletin. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PIP3330D2019-06-10. Service bulletin. This Preliminary Information Document advises the dealer that there is a software update available for the Powertrain Control Module to address diagnostic trouble code P0171. If the software update does not correct the condition, the dociment directs the dealer to related technical servce bulletins that cover cleaning fuel injectors and addressing fuel quality.
PIP3366C2018-08-20. Service bulletin. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
09-07-30-018D2018-06-04. Service bulletin. This informational bulletin provides a revision for 09-07-30-018C to add the 2014 model year and update the Labor Operation.
01-00-89-010J2018-05-21. Service bulletin. This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
PI0938A2018-05-21. Service bulletin. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.