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Service bulletin PB-10257

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10037212
Published by NHTSA2011-05-11
Manufacturer's numberPB-10257
Manufacturer's date2011-03-01
ReplacesPB-10257B
NHTSA componentSERVICE BRAKES, AIR:SUPPLY:LOW PRESSURE WARNING:SWITCH; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

NHTSA's summary

GM: CERTAIN 2011 BUICK LACROSSE VEHICLES A BRAKE PRESSURE RELIEF VALVE THAT MAY CAUSE THE BRAKES TO STAY LOCKED DURING AN ANTI-LOCK BRAKE SITUATION. *RM UPDATED 5/17/11. *PE UPDATED 6/22/11. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Anti-lock brakes

Vehicles listed
BUICK LACROSSE2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIP51462024-04-22. Service bulletin. Chatter Or Bind Feel On Turns.
PIT3271J2019-12-09. Service bulletin. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIC57982017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have intermittent ratchet, grind, or ABS pump motor noises heard from the front of the vehicle when maneuvering through banked turns, usually between 20 - 30 mph. Technician will need to update the Electronic Brake Control Module using Service Programming System and Tis-2-Web.
PIC5428F2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the Antilock Braking System, Service Traction Control System, and/or Service Stabilitrak lights are on. The Electronic Brake Control Module may have one or more of the following Diagnostic Trouble Codes C0035-C0050 with specifically symptom 18, 5A, or 0F. Technician will gain access to the correct wheel bear per the Diagnostic Trouble Code that is set. If debris is found on the magnetic encoder ring it will needed to be cleaned.
PIC5428G2016-09-23. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE THE ANTILOCK BRAKING SYSTEM, SERVICE TRACTION CONTROL SYSTEM, AND/OR SERVICE STABILITRAK LIGHTS ARE ON. THE ELECTRONIC BRAKE CONTROL MODULE MAY HAVE ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES C0035-C0050 WITH SPECIFICALLY SYMPTOM 18, 5A, OR 0F. TECHNICIAN WILL GAIN ACCESS TO THE CORRECT WHEEL BEAR PER THE DIAGNOSTIC TROUBLE CODE THAT IS SET. IF DEBRIS IS FOUND ON THE MAGNETIC ENCODER RING IT WILL NEEDED TO BE CLEANED.
PIC-57982013-04-19. Service bulletin. BUICK: WHILE DRIVING AT NORMAL SPEEDS (20-30), MANEUVERING BANKED TURNS, AN INTERMITTENT GRIND, RATCHET OR ABS PUMP MOTOR NOISES CAN BE HEARD, IN FRONT OF VEHICLE AND STABILITRAK WOULD FLASH AND REDUCTION IN THE THROTTLE. MODEL 2010-2013 LACROSSE. *PE
PIC-5512B2011-10-04. Service bulletin. SAAB/BUICK: DUE TO ALL FOUR WHEEL SENSOR, ABS BRAKE MIL COMES ON. *PE
PIC-54282011-06-15. Service bulletin. GM: THE BRAKE, TRACTION, OR STABILITY LIGHTS ARE ON BECAUSE OF DEBRIS STUCK ON THE WHEEL SPEED SENSOR. UPDATED ON 06/15/2011. *KB UPDATED ON 06/20/2011. *RM UPDATED 6/27/11. *PE UPDATED 10/3/11. *PE UPDATED 05/08/2013 *JS UPDATED ON 7/9/2013. *KB UPDATED 7/28/14. *PE