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Service bulletin 3061

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 id10023773
Published by NHTSA2008-01-31
Manufacturer's number3061
Manufacturer's date2007-12-01
Replaces3061F
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING. WITH FOUR WHEEL DRIVE (4WD) ONLY. *NJ

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, Transmission control module

Trouble codes named

C0327

Vehicles listed
CHEVROLET TRAILBLAZER2002, 2003, 2004, 2005, 2006
CHEVROLET TRAILBLAZER2008
CHEVROLET TRAILBLAZER 3602007 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY2002, 2003, 2004, 2005, 2006
GMC ENVOY2008
GMC ENVOY 3602007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA2003, 2004, 2005, 2006
GMC YUKON XL2003, 2004, 2005, 2006
GMC YUKON XL 15002003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL 25002003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
OLDSMOBILE BRAVADA2002, 2003, 2004

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

Recalls for the same vehicles and component
03V0750002003-03-06. POWER TRAIN:AUTOMATIC TRANSMISSION

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
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.
02-07-30-029W2018-05-21. Service bulletin. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
PI0938A2018-05-21. Service bulletin. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.