WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP5621E2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
PIT5950B2024-12-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part number WSS is installed.
PIT5551P2024-12-05. Service bulletin. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
PIT6134E2024-12-05. Service bulletin. SERVICE BRAKES. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
24-NA-2412024-12-05. Service bulletin. ENGINE. This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted.
PIT5860B2024-12-05. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates and issue with a no crank, Key Learn Pending or Ready For FOB 3 Message, Unable To Exit RVS With Push To Start Button, Symptoms Of A Dead Battery and has dealership inspect to see if the vehicle is falsely entering the manual transmitter programming and if so to replace the drivers power window switch.
PIT5868C2024-12-04. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
21-NA-0892024-12-04. Service bulletin. SERVICE BRAKES. This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
04-06-01-029K2024-12-04. Service bulletin. POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
PIT62612024-12-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
24-NA-2252024-12-02. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
24-NA-0402024-11-16. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
23-NA-0732024-11-16. Service bulletin. ENGINE. This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
19-NA-2552024-11-15. Service bulletin. STRUCTURE:BODY. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
12-08-51-002Q2024-11-14. Service bulletin. STRUCTURE:BODY. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
10-00-89-009F2024-11-14. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
03-06-01-023H2024-11-14. Service bulletin. ENGINE. This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
23-NA-1542024-11-13. Service bulletin. UNKNOWN OR OTHER. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
22-NA-2442024-11-13. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
07-00-89-037T2024-11-13. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
01-06-01-011Q2024-11-13. Service bulletin. ENGINE. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
99-00-89-019Z2024-11-13. Service bulletin. UNKNOWN OR OTHER. This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
20-NA-1322024-11-09. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
23-NA-2192024-11-05. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
20-NA-1382024-11-05. Service bulletin. POWER TRAIN; ENGINE. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.

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