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Service bulletins for the 2019 GMC Sierra

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.

2009 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
N1922223002019-09-30. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL; EQUIPMENT ADAPTIVE/MOBILITY. N192222300 - Customer Satisfaction Program. Certain vehicles, equipped with a single speed transfer case (RPO NP0) or 2-speed transfer case (RPO NQH), may have a condition in which the transfer case could leak oil if the vehicle is operated frequently with the transfer case in Auto or 4HI. The oil leak could lead to abnormal clutch operation. Dealers are to replace the front output shaft seal.
DORD8R3N092019-09-23. Service bulletin. EQUIPMENT. This SKU is a Tire Hoist Assembly. The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. If the centerpiece is the incorrect shape then the tire hoist cannot be operated with the OE tools, and the end user would therefore not be able to lower the spare tire with the vehicles original tools.
130089008B2019-09-23. Service bulletin. EQUIPMENT. This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
19NA1892019-09-23. Service bulletin. EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of Radio Displays Climate Off Message or HVAC Popup Displays Different Settings.
19NA1832019-09-23. Service bulletin. EQUIPMENT. This informational bulletin provides information for dealers/technicians on Mandatory VECI Label Replacement for (5W7) Performance Air Intake Kits.
19NA1522019-09-23. Service bulletin. EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone.
19NA0872019-09-23. Service bulletin. EQUIPMENT. This Technical bulletin provides information for dealers/technicians on Radio Software Version V805 Over-the-Air Update Release.
18NA1462019-09-23. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
17NA2762019-09-23. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
PIT5663B2019-09-16. Service bulletin. EQUIPMENT. This PI was written to inform dealers of a condition where a "Climate off" message will be displayed on the screen even thought the HVAC system is fully operational. Dealers are also informed that engineering is working on a solution
PIT5653A2019-09-16. Service bulletin. EQUIPMENT. This Preliminary Information communication provides information to the technician about vehicles headrest monitors shutting off intermittently when closing driver door. Dealers should not replace any parts for this concern. Dealers should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
PIT5663A2019-09-16. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL. This PI was written to inform dealers of a condition where a "Climate off" message will be displayed on the screen even thought the HVAC system is fully operational. Dealers are also informed that engineering is working on a solution
PIP5653B2019-09-16. Service bulletin. EQUIPMENT; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIT4529E2019-09-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options.
PIT57022019-09-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
PIP5580C2019-09-16. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary information communicates the exchange program to assist engineering in identification of any early production issues.
19NA1602019-08-26. Service bulletin. ELECTRICAL SYSTEM:HORN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch.
19NA1532019-08-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
19NA1212019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This technical bulletin provides a procedure to perform a trans fluid flush to correct the customers concern.
19NA0102019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Information on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Has Rotational Feature that Allows for Adjusting of the Angle of the HUD Image.
19NA0052019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY. This technical bulletin provides a procedure to replace the fill pipe if found the cause of the noises at highway speeds.
990089019R2019-08-19. Service bulletin. EQUIPMENT. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
PIP56632019-08-12. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates AFM / DFM usage Information. providing additional information on the AFM and DFM systems
PIT5662C2019-08-12. Service bulletin. EQUIPMENT. This Preliminary information communicates information to diagnose DTC C056D or C056E.
1308116001E2019-07-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.