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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.

By type

By component

By trouble code

By topic

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
19NA2552019-12-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE. This preliminary informational 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).
19NA1972019-10-28. Service bulletin. STRUCTURE. This technical bulletin advises the technician to check the PCV system for a possible damage or leaks that may cause the customers concern.
N1922647602019-10-21. Service bulletin. STRUCTURE. N192264760 - Customer Satisfaction Program - Certain vehicles may have a condition in which the sealer bead between the body side outer and the rear panel is off location at the driver?s side C-pillar. Dealers are to apply a bead of seam sealer.
PIT5576C2019-10-15. Service bulletin. STRUCTURE. This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do not rotate.
120851002J2019-07-01. Service bulletin. STRUCTURE; EQUIPMENT. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
18NA3832019-07-01. Service bulletin. STRUCTURE; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA2792019-07-01. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES; STRUCTURE. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
PIT5546E2019-06-03. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank condition, a crank no start, or unable to program the engine control module. Engine control module will set a diagnostic trouble code of P1682, or the engine will continue to run with the ignition off.
PIT5308D2019-06-03. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with the ignition off, Crank no start, Start and Stall, and vehicles equipped with the diesel engine, the blower motor may stay on after the engine is turned off. Technician may find Diagnostic Trouble Code P2537 and/or P129D set. Technician will need to Use a voltmeter and check circuit 5985 at the Engine Control Module and Transmission Control Module. If no or low voltage is found, use the wiring diagram in Service Information and perform normal circuit diagnosis.
N1922120902019-05-13. Service bulletin. STRUCTURE. N192212090 - Service Update. Certain vehicles may have rear bumper flanges that were manually bent after chrome plating. This bending could cause micro-cracking of the chrome plating and ultimately result in red rust forming on the base steel bumper. Dealers are to inspect for rust with step pad in place and apply wax if no rust is present. If rust is present with step pad in place, replace the chrome bumper.
18NA3832019-04-22. Service bulletin. VISIBILITY; STRUCTURE. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA1442019-04-22. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to locate possible chassis wiring damage from areas along the frame and repair them if found.
18NA3832019-04-22. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA3832019-04-15. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA3832019-04-08. Service bulletin. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA3832019-04-01. Service bulletin. STRUCTURE:BODY; VISIBILITY. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
PIE04982019-03-25. Service bulletin. STRUCTURE; EXTERIOR LIGHTING:TAIL LIGHTS; EQUIPMENT ADAPTIVE/MOBILITY. This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture.
PI0564K2019-03-18. Service bulletin. STRUCTURE. This preliminary informational 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).
PIT3227P2019-03-18. Service bulletin. STRUCTURE:BODY:TAILGATE. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT4250J2018-12-17. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIT5570B2018-12-17. Service bulletin. EQUIPMENT; STRUCTURE:BODY:TAILGATE. This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.
PIT3946C2018-12-17. Service bulletin. STRUCTURE; EQUIPMENT. This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.
PIT5272B2018-12-17. Service bulletin. STRUCTURE; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on the left or right side A-pillar. Technician should also inspect for voids in the body sealer at the cowl seam and apply sealer as necessary.
PIP5579A2018-11-26. Service bulletin. STRUCTURE. This Preliminary information communicates that the front and rear axle assemblies are restricted from dealer ordering or replacing to assist engineering in identifying any issues.
PIP5491A2018-11-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on the terminals.

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