# Service bulletin PIE\-0300

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: 10056244
- Published by NHTSA: 2014\-10\-11
- Manufacturer's number: PIE\-0300
- Manufacturer's date: 2014\-05\-01
- NHTSA component: SERVICE BRAKES; PARKING BRAKE

## NHTSA's summary

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.

## 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, Parking brake

## Vehicles listed

- 2014 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

- [14471](/bulletins/10247210.md), 2023-12-18, Service bulletin: UNKNOWN OR OTHER; PARKING BRAKE:ELECTRICAL. Electronic Park Brake Drag
- [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.
- [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.
- [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

JSON: [/v1/bulletins/10056244](/v1/bulletins/10056244)

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