Service bulletin 15115
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 | 10089827 |
| Published by NHTSA | 2017-01-30 |
| Manufacturer's number | 15115 |
| Manufacturer's date | 2015-08-12 |
| NHTSA component | ELECTRICAL SYSTEM:SOFTWARE |
NHTSA's summary
15115 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM AND UPDATE THE GLOW-PLUG CONTROL MODULE WITH NEW SOFTWARE ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD CREW, HD CREW LTZ, HD REGULAR, HD EXT, HD EXT LTZ VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO LML) AND CERTAIN 2015 MODEL YEAR GMC SIERRA HD CREW, HD CREW DENALI, HD REGULAR, HD EXT VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO LML). THE SOFTWARE UPDATE LIMITS THE INTAKE-AIR HEATER INPUT VOLTAGE TO 13.5V. WHEN THE SYSTEM VOLTAGE EXCEEDS 13.5V, THE HEATER’S FIELD-EFFECT TRANSISTOR CAN GENERATE EXCESSIVE HEAT. THIS HEAT CAN CAUSE A SHORT CIRCUIT IN THE TRANSISTOR AND, IN RARE CASES, A FIRE IN THE VEHICLE’S ENGINE COMPARTMENT.
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, Software
| CHEVROLET SILVERADO 2500 | 2015 (the catalog's model; the bulletin names a series or trim of it) |
|---|---|
| CHEVROLET SILVERADO 3500 | 2015 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2015 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2015 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 14V301000 | 2014-06-06. ELECTRICAL SYSTEM:SOFTWARE; SEAT BELTS:FRONT:WARNING LIGHT/DEVICES |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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