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Service bulletins for the 2019 Chevrolet Silverado

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.

2229 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

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Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
N1922231602019-12-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SUSPENSION. Certain 2019 model year Chevrolet Silverado 4500/5500/6500 vehicles with rear air suspension may have been built with a switch that allows the rear suspension air bags to re-inflate while the vehicle is in Park. The air suspension should never re-inflate while the vehicle is still in Park. Dealers will replace the switch.
060309004N2019-11-25. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY. This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
PIP5653D2019-11-12. Service bulletin. SUSPENSION. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIP5653C2019-11-12. Service bulletin. SUSPENSION. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
N1922204802019-09-30. Service bulletin. EQUIPMENT; SUSPENSION; STEERING. N192220480 - Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado 4500/5500/6500 HD vehicles may have an owner?s manual with incorrect part numbers or descriptions in the following sections: Air Suspension; Rear Air Suspension; Hydraulic Power Steering System and Maintenance Replacement Parts. Customers will receive an Owner?s Manual Supplement.
19NA1292019-09-23. Service bulletin. SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle. This condition may be caused by debris getting between the leaf springs and/or loose U-Bolts.
18NA1832019-09-23. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY. This technical bulletin provides a procedure to check and repair the rear shackle and/or add lube to the leaf springs to correct the noise.
090309001G2019-07-29. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY; SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET. This technical bulletin provides a procedure for re-torque the lead springs.
060309004M2019-07-29. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY. This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact.
PIT5457D2019-07-08. Service bulletin. SUSPENSION. This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the driver and passenger sill plate to gain access to the wire harness. If any open, damaged, or corroded wires should be repaired.
PIT56722019-06-03. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM. This Preliminary information communicates There may be a concern with the operation of the rear suspension dump switch operation. This concern is caused by internal operation of the switch.
PIT3098G2019-04-08. Service bulletin. SUSPENSION. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim.
18NA3012019-03-25. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; SUSPENSION. This technical bulletin provides a procedure to install higher amp fuses to correct the axle actuator high amperage draw.
183092018-12-10. Service bulletin. WHEELS; ENGINE; SUSPENSION; POWER TRAIN:AUTOMATIC TRANSMISSION. 18309 - Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado and GMC Sierra vehicles may have a condition where the prop shaft bolts may not have been properly torqued to the front differential. Drivers will likely experience a vibration or clunking noise as the bolt(s) loosen when the vehicle is used in 4WD mode. If the vehicle continues to be driven after the vibration or clunking noise occurs, all bolts may eventually fracture. Remove front prop shaft bolts, add Loctite, and reinstall.
PIT5403E2018-10-15. Service bulletin. SUSPENSION. This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.
PIP55792018-09-17. Service bulletin. SUSPENSION:REAR; SUSPENSION:FRONT; SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. 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.

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