# 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.

- 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10247210-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10247210-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes, Parking brake

## Vehicles listed

- 2013 to 2015 CADILLAC XTS
- 2014 to 2015 CHEVROLET IMPALA

## Recalls for the same vehicles and component

- [15V202000](/recalls/nhtsa/15V202000.md), 2015-04-06: PARKING BRAKE
- [15V085000](/recalls/nhtsa/15V085000.md), 2015-02-11: PARKING BRAKE
- [14V541000](/recalls/nhtsa/14V541000.md), 2014-09-09: PARKING BRAKE

## Other bulletins for the same vehicles and component

- [PIC5541B](/bulletins/10246947.md), 2023-12-11, Service bulletin: PARKING BRAKE. Rattle Noise From Rear Of Vehicle While Driving At Low Speeds Over Small To Medium Sized Bumps.
- [PIT5441C](/bulletins/10157027.md), 2019-04-08, Service bulletin: SERVICE BRAKES; EQUIPMENT; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; PARKING BRAKE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL; LANE DEPARTURE. 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](/bulletins/10137680.md), 2018-05-21, Service bulletin: PARKING BRAKE. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
- [PIC6063B](/bulletins/10114901.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM; PARKING BRAKE. 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](/bulletins/10114262.md), 2017-08-15, Service bulletin: PARKING BRAKE:DRIVELINE. This informational bulletin explains a normal condition for what and how the drive line can clunk.
- [15344](/bulletins/10090068.md), 2017-02-01, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; PARKING BRAKE. 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](/bulletins/10059119.md), 2016-02-05, Service bulletin: PARKING BRAKE; ELECTRICAL SYSTEM:SOFTWARE. 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](/bulletins/10057662.md), 2015-06-17, Service bulletin: PARKING BRAKE:INDICATOR LIGHT. GENERAL MOTORS: 2015 CADILLAC CTS, XTS: CUSTOMER COMPLAINTS REGARDING THE PARK ASSIST WARNING GOES OFF WITH NOTHING AROUND THE VEHICLE. \*LJ
- [PIE\-0300](/bulletins/10056244.md), 2014-10-11, Service bulletin: SERVICE BRAKES; PARKING BRAKE. 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.

JSON: [/v1/bulletins/10247210](/v1/bulletins/10247210)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2014471&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10247210&vehicle=Service%20bulletin%2014471)