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Service bulletin PIT5171B

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 id10247731
Published by NHTSA2023-12-26
Manufacturer's numberPIT5171B
Manufacturer's date2013-03-01
NHTSA componentWHEELS; SERVICE BRAKES, AIR:ANTILOCK

NHTSA's summary

Service Stability Traction ABS Rear Wheel Speed.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Wheels, Anti-lock brakes

Vehicles listed
CHEVROLET EQUINOX2010, 2011, 2012
GMC TERRAIN2010, 2011, 2012

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
PIT5171C2023-12-26. Service bulletin. Service Stability, Traction, ABS Rear Wheel Speed DTC Or Chassis Expansion
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.
PIT54272017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp, service Antilock Braking System, Service Stabilitrak, Service All Wheel Drive, Service Suspension Control, or Hard Steering. Technician may find the following Diagnostic Trouble Codes stored C0196, C0186, C0287, C0710, C0045, C0050, C0800, U0077, U0074, U0125, U0126, U0100, U0101, U0121, U0415, U0432, U0121, and or U0140. Technician should inspect X411 connector for damage or corrosion. Technician will replace any terminals with damage or corrosion.
PIT5171B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have may an intermittent Service Traction/Stability, ABS indicator or Service All wheel Drive message on the Driver Information Center. Technician may find Diagnostic Trouble Codes U0125 00 U0074 00 U0073 and or C0045 C0050 symptom 06. Technician will need to inspect the X411 connecter for a wire break inside the wire harness. Also inspect the wire harness insulation within 1 inch of the X411 before and after connecter. Repair any damaged wiring to correct the concern.
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.
PIC5137P2017-08-15. Service bulletin. This Preliminary Information communication advises the technician that the Electronic Brake Control Module and the Brake Pressure Modulator Valve parts restriction has ended. Dealer can now order the parts directly through your Parts Department without General Motors Technical Assistance Center authorization.
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.
PIT-51712012-09-24. Service bulletin. GMC/CHEVROLET: A COMMUNICATION FAULT, REGARDING SERVICE STABILITY TRACTION AND ABS REAR WHEEL SPEED DTC OR CHASSIS EXPANSION BUS, WHICH IS RELATED TO AN INTERNAL WIRE BREAK INSIDE WIRE HARNESS INSULATION TO X411 CONNECTOR. MODELS 2010-2012 CHEVROLET EQUINOX & GMC TERRAIN. *PE UPDATED ON 5/9/2013. *KB UPDATED 7/10/2013. *KB UPDATED 2/1/16. *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