WenmarOpen by Wenmar Pro

Service bulletins for the 2017 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.

1203 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP-5366-A2016-08-26. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME OWNERS MAY NOTICE AT ROUGHLY 3/4 OF THE WAY THROUGH THE ACCELERATOR PEDAL TRAVEL THERE IS A CLICK FELT IN THE PEDAL ALSO THE PEDAL GETS HARDER TO PUSH. PLEASE COMMUNICATE TO THE CUSTOMER THIS CONDITION IS A NORMAL OPERATING CHARACTERISTIC OF THEIR VEHICLE. THE ACCELERATOR PEDAL DESIGN HAS CHANGED FOR VEHICLES EQUIPPED WITH THE 8-SPEED AUTOMATIC TRANSMISSION REGULAR PRODUCTION OPTION CODE MRC.
PIC-5779-G2016-08-26. Service bulletin. STRUCTURE; EQUIPMENT. 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.
PIP-54012016-08-25. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR A VEHICLE WITH ENGINE REGULAR PRODUCTION OPTION CODE LGX WHEN IT HAS A HOLLOW KNOCK OR TAP NOISE COMING FROM THE ENGINE COMPARTMENT. WITH THE VEHICLE WARMED UP TO 98C OR 208F DETERMINE IF THE NOISE IS PRESENT. IF THE NOISE IS PRESENT PUMP THE BRAKES 3-5 TIMES TO SEE IF THE NOISE GOES AWAY, NOISE WILL RETURN A SHORT TIME LATER. IF THE NOISE GOES AWAY WHEN APPLYING THE BRAKES DO NOT ATTEMPT TO REPAIR THIS CONDITION. ENGINEERING IS WORKING WITH THE PUMP SUPPLIER AND CALIBRATIONS TO ATTEMPT TO IMPROVE THIS SITUATION. IF THE NOISE IS STILL THERE PROCEED WITH SERVICE INFORMATION DIAGNOSTICS FOR LOWER ENGINE NOISE.

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