# Service bulletin 15344

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: 10090068
- Published by NHTSA: 2017\-02\-01
- Manufacturer's number: 15344
- Manufacturer's date: 2015\-04\-29
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; PARKING BRAKE

## NHTSA's summary

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.

## 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, Electrical system, Parking brake, Software

## 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

- [20\-NA\-132](/bulletins/10252774.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [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.
- [130089004H](/bulletins/10246623.md), 2023-12-11, Service bulletin: VISIBILITY:WINDSHIELD; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:LIGHTING CONTROL MODULE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR \(TPS\). Car and Truck Fix it Right the First Time Issues
- [130089003](/bulletins/10246614.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Vehicle Software Enhancements
- [PIP5632G](/bulletins/10230683.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
- [PIP4902Q](/bulletins/10230682.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
- [DOR\-G9Z8V\-12](/bulletins/10169038.md), 2019-12-09, Service bulletin: FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE. This SKU is a Fuel Pump Driver Module. The customer communication requested return of unsold inventory to inspect the software. The software may have a fault where the readiness monitors are stuck in the not\-ready or incomplete position. The readiness monitors will not cause performance or emissions issues but will prevent the emissions scanning tools from confirming the module is performing correctly, causing the vehicle to fail state required emissions tests.
- [150844001J](/bulletins/10166666.md), 2019-10-28, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade.
- [070849020P](/bulletins/10158861.md), 2019-04-22, Service bulletin: EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for the IPC odometer programming method quick reference guide.

JSON: [/v1/bulletins/10090068](/v1/bulletins/10090068)

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