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Service bulletins for the 2015 Western Star 4700

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.

620 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
14TS132018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 14TS13Rev EPA10/GHG14 Diesel Exhaust Fluid (DEF) in Fuel System/Diesel Fuel in DEF System Contamination
505-142018-06-18. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER; EQUIPMENT ADAPTIVE/MOBILITY. 505-14 Fuel Cooler Leak Test Procedure - Three-Filter Fuel System
504-142018-06-18. Service bulletin. EQUIPMENT; FUEL SYSTEM, OTHER:FUEL FILTER. 504-14 Test-E - Three-Filter Fuel System
524-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 524-14 FMI 0: Engine Speed High
513-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. 513-14 FMI 0: Diesel Particulate Filter Outlet Temperature - Very High
518-142018-06-18. Service bulletin. ENGINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 518-14 FMI 1, 18: Regen Temperature- Out Of Range Low
503-142018-06-18. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT. 503-14 FMI 3, 4: High Side Digital Output 3 Circuit Failed High
519-142018-06-18. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. 519-14 FMI 1: SCR NOx Conversion Efficiency Very Low
517-142018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 517-14 FMI 18: SCR NOx Conversion efficiency low
515-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 515-14 FMI 1: Over Pressurized Diesel Exhaust Fluid System
511-142018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; COMMUNICATION; EQUIPMENT:ELECTRICAL; EQUIPMENT. 511-14 FMI 9 Soot Sensor Communication Error
520-142018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL; EQUIPMENT. 520-14 FMI 2 Soot Sensor Heater Faul
523-142018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EQUIPMENT:ELECTRICAL. 523-14 FMI 18: Soot Sensor Temperature Low
501-142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. 501-14 Removal and Installation of the DD13 Exhaust Flanged Manifold
0405-182018-06-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 0405-18 Symptom Diagnostics - Range Up or Down Shift Issue
0402-182018-06-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM. 0402-18 SPN 625 (CPC) (GHG14)
0401-182018-06-18. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 0401-18 SPN 1231 (MCM) (EPA10 GHG14)
ICI18-0142018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ICI18-014 Owner Notice ? Kidde Fire Extinguisher Recall
18SP7052018-06-18. Service bulletin. EQUIPMENT; FUEL SYSTEM, OTHER:FUEL FILTER; ENGINE. 18SP705Rev4 18SP701Rev GHG14 Two-Filter Fuel System KM63 GEN2 DD15AT Engines High Pressure Fuel Feed Lines, Mounting Bracket and P-clip
18SP7012018-06-18. Service bulletin. EQUIPMENT; ENGINE; FUEL SYSTEM, OTHER:FUEL FILTER. 18SP701Rev GHG14 Two-Filter Fuel System KM63 GEN2 DD15AT Engines High Pressure Fuel Feed Lines, Mounting Bracket and P-clips
ssbw490192018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. ssbw49019 Manguera de presión del líquido de escape diésel (DEF) desconectada en la conexión del dosificador
ssbw420102018-06-18. Service bulletin. AIR BAGS; SERVICE BRAKES. ssbw42010 Inspección de fugas de aire del transportista concesionario
sbw54392018-06-18. Service bulletin. ELECTRICAL SYSTEM. sbw5439 RX Module Fault Codes
sbw42062018-06-18. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, AIR:DRUM. sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout
fsbw490192018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. fsbw49019 Conduite sous pression de fluide pour échappement diesel (DEF) débranchée au niveau du raccordement du doseur

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.