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Service bulletin PIP4885H

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 id10253174
Published by NHTSA2024-04-15
Manufacturer's numberPIP4885H
Manufacturer's date2014-02-01
NHTSA componentPOWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

NHTSA's summary

NQG 4WD Models With Noise Vibration On Dry Pavement.

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, Transfer case

Vehicles listed
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)

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
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
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.
060089026N2018-06-04. Service bulletin. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
PIP4101B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service 4WD light on and the system inoperative. Technician may find Diagnostic Trouble Code B2725 set. Technician will need to replace the transfer case dash switch.
PIP5080A2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a service 4 wheel drive message displayed in the driver's information center. Technician will find Diagnostic Trouble Code C0306, C0321, C0387, C0398, C0396, and C0569. Technician should inspect the terminal at X109 and X3 for proper tension, crimp, fully seated and overall condition.
PIP50802017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a service 4 wheel drive message displayed in the driver's information center. Technician will find Diagnostic Trouble Code C0306, C0321, C0387, C0398, C0396, and C0569. Technician should inspect the terminals at connectors X109 and X3 of the transfer case control module for proper tension, crimp, fully seated and overall condition.
PIP4885F2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on your vehicle's power train. Dealer should advise the customer not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for extended periods of time.
PIP4885H2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the vehicle in four wheel drive. Driving on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for an extended period of time may cause premature wear on your vehicle?s power train. Dealer should advise the customer not drive on clean, dry pavement in Four-Wheel Drive High or Four-Wheel Drive Low for extended periods of time.