Technical Service Bulletin 15115 — 2015 CHEVROLET SILVERADO 3500
ELECTRICAL SYSTEM:SOFTWARE
Bulletin Details
| TSB ID | 15115 |
| Manufacturer | |
| Vehicle | 2015 CHEVROLET SILVERADO 3500 |
| Component | ELECTRICAL SYSTEM:SOFTWARE |
| Communication Date |
Bulletin 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 HEATERS 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 VEHICLES ENGINE COMPARTMENT.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2015 CHEVROLET SILVERADO 3500
21NA010
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
DORS3C7D09
EQUIPMENT ADAPTIVE/MOBILITY
PIT5432B
EQUIPMENT
CSP-15801
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
GCUS-3-372 (1579
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
15795 MESSAGE
EQUIPMENT
10-06-05-002B
ENGINE
15795
ELECTRICAL SYSTEM
15435B
POWER TRAIN:MANUAL TRANSMISSION
15216
EQUIPMENT