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Service bulletins for the 2019 Buick LaCrosse

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.

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

By type

By component

By trouble code

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

Bulletins, newest first
PIP57042020-02-10. Service bulletin. STRUCTURE. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
PIC5779K2019-08-12. Service bulletin. STRUCTURE. This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for preparation & washing of the bright aluminum moldings.
PIC63442019-03-18. Service bulletin. STRUCTURE. This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a no start or a stall condition. The dealer technician is directed to inspect for the ground cable to G103 either not properly installed or loose. The technician is directed to install the cable to G103 located on the left frame rail or to properly torque the cable if it is already installed.
PIC5822F2018-12-17. Service bulletin. EQUIPMENT; STRUCTURE. This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse of the affected side. The front wheel house flange may have a void in the sealer causing water to leak through and accumulate on the floor or wet carpet will be found. A thumb grade sealer will need to be placed in the void to prevent the water leak into the cabin.

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