Service bulletin 14471

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)
Type	Service bulletin
NHTSA id	10247210
Published by NHTSA	2023-12-18
Manufacturer's number	14471
Manufacturer's date	2014-09-01
NHTSA component	UNKNOWN OR OTHER; PARKING BRAKE:ELECTRICAL

NHTSA's summary

Electronic Park Brake Drag

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, Parking brake

Vehicles listed
CADILLAC XTS	2013, 2014, 2015
CHEVROLET IMPALA	2014, 2015

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

Recalls for the same vehicles and component
15V202000	2015-04-06. PARKING BRAKE
15V085000	2015-02-11. PARKING BRAKE
14V541000	2014-09-09. PARKING BRAKE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PIC5541B	2023-12-11. Service bulletin. Rattle Noise From Rear Of Vehicle While Driving At Low Speeds Over Small To Medium Sized Bumps.
PIT5441C	2019-04-08. Service bulletin. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268, and/or U0269 stored in the active safety module. Technician should inspect his Multiple Diagnostic Interface cable for damage. Technician should use the Multiple Diagnostic Interface on a like vehicle with object detection bus or theEL-47955-1 MDI 1, MDI 2 Self-Test Loopback Adapter,if there are no issues found finish with diagnosing the customer’s concern, if concern is present in the like vehicle replace the Multiple Diagnostic Interface cable.
PI1410B	2018-05-21. Service bulletin. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
PIC6063B	2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have the park assist warning that goes off without an object near the vehicle. Engineering has reviewed the concern and it has been determined that this is a normal operating characteristic.
99-04-20-002I	2017-08-15. Service bulletin. This informational bulletin explains a normal condition for what and how the drive line can clunk.
15344	2017-02-01. Service bulletin. 15344 - SERVICE UPDATE. THE PURPOSE OF THIS SERVICE UPDATE IS TO PROVIDE THE CUSTOMER WITH A GOODWILL GIFT TO OFFSET OWNER INCONVENIENCE, RESTORE CONFIDENCE, AND MAINTAIN LOYALTY TO GM. THE VEHICLES INVOLVED IN THIS SERVICE UPDATE WERE ORIGINALLY INVOLVED IN RECALL 14471. WHEN THE VEHICLE WAS REPROGRAMMED FOR RECALL 14471, THE VEHICLES RECEIVED AN INCORRECT CALIBRATION. THE VEHICLES WERE RECALLED AGAIN UNDER RECALL 15100. APPROXIMATELY ONE WEEK AFTER LAUNCHING RECALL 15100, THE SOFTWARE FILES WERE ERRONEOUSLY CHANGED FROM THE REVISED SOFTWARE TO THE ORIGINAL INCORRECT SOFTWARE VERSION. VEHICLES THAT WERE SERVICED BETWEEN FEBRUARY 8, 2015, AND MARCH 10, 2015, RECEIVED THE ORIGINAL INCORRECT SOFTWARE. THESE CUSTOMERS ARE NOW BEING ASKED TO BRING THEIR VEHICLE BACK FOR THE CORRECT CALIBRATION UNDER RECALL 15259. FOR THEIR INCONVENIENCE, DEALERS ARE TO OFFER THE CUSTOMER A SELECTION OF ONE OF THE AVAILABLE GOODWILL OPTIONS LISTED IN THIS BULLETIN. BECAUSE EACH CUSTOMER HAS UNIQUE PREFERENCES, PLEASE OFFER BOTH OF THE OPTIONS FOUND IN THIS BULLETIN TO THE CUSTOMER AND ALLOW THEM TO SELECT THE ONE THAT BEST SUITS THEIR SITUATION.
SBU-15344	2016-02-05. Service bulletin. CHEVROLET: DUE TO AN INCORRECT CALIBRATION FROM RECALL 14471, THEN RECALL 15100, SOME VEHICLES ARE RECALLED 15259, UNDER GOODWILL GESTURE FROM MFR, FOR ELECTRONIC PARKING BRAKE CONTROL MODULE. MODEL 2014 IMPALA. *PE
PIC6063	2015-06-17. Service bulletin. GENERAL MOTORS: 2015 CADILLAC CTS, XTS: CUSTOMER COMPLAINTS REGARDING THE PARK ASSIST WARNING GOES OFF WITH NOTHING AROUND THE VEHICLE. *LJ
PIE-0300	2014-10-11. Service bulletin. CHEVROLET: SOME VEHICLES MAY EXPERIENCE, WITH OR WITHOUT ALERTS, UNWANTED BRAKING DUE TO PARK BRAKE NOT ALWAYS RELEASED, UNEXPECTEDLY DECELERATED, PARK/SERVICE PARK BRAKE LIGHT ON. MODEL 2014 IMPALA.