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Service bulletin PIP3366C

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 id10143757
Published by NHTSA2018-08-20
Manufacturer's numberPIP3366C
Manufacturer's date2018-07-09
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline, Automatic transmission, Transfer case

Vehicles listed
CADILLAC ESCALADE1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVALANCHE 15002002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BLAZER1999, 2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET COLORADO2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
CHEVROLET COLORADO2015, 2016, 2017, 2018
CHEVROLET SILVERADO2017
CHEVROLET SILVERADO 15001999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002012 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET TAHOE2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET TRAILBLAZER2002, 2003, 2004, 2005, 2006, 2007
GMC CANYON2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
GMC CANYON2015, 2016, 2017, 2018
GMC ENVOY2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC JIMMY1999 to 2004
GMC JIMMY CLASSIC2005
GMC SIERRA2017
GMC SIERRA 15002006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002000 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002012 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35001999 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002001, 2002 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002018 (the catalog's model; the bulletin names a series or trim of it)
GMC SONOMA1999, 2000, 2001, 2002, 2003, 2004
GMC YUKON DENALI1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2014 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
HUMMER H32006, 2007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
26V2890002026-05-07. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
14V3740002014-06-27. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
14V1520002014-03-31. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
13V0010002013-01-02. POWER TRAIN:AUTOMATIC TRANSMISSION; STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE
11V3370002011-06-28. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
03V0750002003-03-06. POWER TRAIN:AUTOMATIC TRANSMISSION
01V3340002001-10-17. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
01V2830002001-09-05. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

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
PIP4885H2024-04-15. Service bulletin. NQG 4WD Models With Noise Vibration On Dry Pavement.
PIP4885G2024-04-15. Service bulletin. NQG 4WD Models With Noise Vibration On Dry Pavement.
PIP4885F2024-04-15. Service bulletin. Vibration On Dry Pavement.
PIP4885E2024-04-15. Service bulletin. NQG 4WD Models With Noise Vibration On Dry Pavement
142042024-01-16. Service bulletin. Inner Tie Rod Torque
14192A2024-01-16. Service bulletin. Unwanted Transfer Case Shift to Neutral
141922024-01-16. Service bulletin. Unwanted Transfer Case Shift to Neutral
148762023-12-18. Service bulletin. 8-speed Transmission Harsh Shift
140730001B2023-12-11. Service bulletin. Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts
1407300012023-12-11. Service bulletin. Information on Transmission Adaptive Functions