# Service bulletin 15114

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: 10089893
- Published by NHTSA: 2017\-01\-30
- Manufacturer's number: 15114
- Manufacturer's date: 2015\-07\-08
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ENGINE

## NHTSA's summary

15114 \- SPECIAL COVERAGE. ON SOME 2010\-2012 MODEL YEAR CHEVROLET SILVERADO HD AND GMC SIERRA HD OR 2011\-2012 CHEVROLET EXPRESS AND GMC SIERRA HD VEHICLES EQUIPPED WITH A 6.6L DURAMAX DIESEL ENGINE \(RPO LML, LGH\) THE MALFUNCTION INDICATOR LAMP \(MIL\) MAY ILLUMINATE DUE TO A CONDITION WITH THE GLOW PLUGS. WHEN DIAGNOSED, REPLACEMENT OF ONE OF THE ENGINES GLOW PLUGS MAY BE REQUIRED. NO DRIVABILITY ISSUES ARE GENERALLY ASSOCIATED WITH THIS ISSUE, BUT HARDER STARTING IN COLD AMBIENT TEMPERATURES MAY BE NOTED. DEALERS ARE TO REPLACE THE AFFECTED GLOW PLUG.

## 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

Electrical system, Engine, 12\-volt battery

## Vehicles listed

- 2010 to 2012 CHEVROLET EXPRESS
- 2011 to 2012 CHEVROLET SILVERADO 1500
- 2011 to 2012 CHEVROLET SILVERADO 2500
- 2011 to 2012 CHEVROLET SILVERADO 3500
- 2010 GMC SANANA
- 2010 to 2012 GMC SAVANA
- 2011 to 2012 GMC SIERRA 1500
- 2011 to 2012 GMC SIERRA 2500
- 2011 to 2012 GMC SIERRA 3500

## 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.
- [PIT5066A](/bulletins/10247711.md), 2023-12-26, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; UNKNOWN OR OTHER. Intermittent Battery Draw Dead Battery Or HVAC Odor.
- [PIT5074H](/bulletins/10247061.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. J\-35616\-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
- [PIT5074G](/bulletins/10247060.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Terminal Test Probe And Replacement Terminal.
- [PIT5066A](/bulletins/10247056.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. Intermittent Battery Draw Dead Battery Or HVAC Odor.
- [030603004V](/bulletins/10159570.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
- [PIT4585F](/bulletins/10156942.md), 2019-04-08, Service bulletin: EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician that the Serial Data Gateway Module \(SDGM\) may report "Crash Sense Failed" and the 300v Hybrid Battery Contactors will remain open until the Hybrid Powertrain Control Module's \(HPCM\) High Voltage \(HV\) DTCs are reset. And How to Reset.
- [110849001Y](/bulletins/10155072.md), 2019-03-25, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center \(DIC\) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
- [03\-06\-03\-003D](/bulletins/10139415.md), 2018-06-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on ACDelco® replacement battery warranty procedures.
- [150603001D](/bulletins/10139282.md), 2018-06-04, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.

JSON: [/v1/bulletins/10089893](/v1/bulletins/10089893)

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