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Service bulletins for the 2019 Freightliner 114SD

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.

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

By type

By component

Only bulletins with component: Fuel system are shown. Show all

Bulletins, newest first
TS10330142020-07-31. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; ENGINE AND ENGINE COOLING. Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines. Occasionally we see trucks come in with fuel leaking from the high pressure fuel pump weep hole. This is NOT a defect in the pump and further diagnostics need to be performed to find the root cause.
ICI20-0042020-01-28. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Important Campaign Information announcing that a revised bulletin for SF588 Medium Duty DD8 Engine Updates is available on DTNAConnect.
SF5882020-01-17. Service bulletin. POWER TRAIN; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT. Field Service Campaign for Medium Duty DD8 Engine Updates. Certain vehicles with Detroit Diesel MDEG DD8 engines need updates to the air compressor suction line, powertrain control module, oil fill cap, 10-pin connector wiring harness, and fuel filter/engine labels.
SB47-0272019-09-28. Service bulletin. FUEL SYSTEM, GASOLINE. Service Bulletin for Equiflo Fuel System Breather Tube Inspection
0609-192019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL. Service Information Bulletin for Symptom Diagnostics - Fluid in the Aftertreatment - Diesel Fuel Contamination.
19TS-62019-08-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17 production and was added to EPA10 and GHG14 units with a software update. The modified regeneration utilizes an improved strategy to clean the DOC inlet face and reduce downtime due to DOC face plugging.
18SP730Rev2019-08-08. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
0611-192019-08-08. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. Service Information Bulletin was released, to add new procedures to address diagnostics near the high pressure pump
18SP726Rev2019-08-08. Service bulletin. FUEL SYSTEM, DIESEL; EQUIPMENT. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
18SP725Rev2019-08-07. Service bulletin. ENGINE; EQUIPMENT; FUEL SYSTEM, DIESEL. This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting bracket, P-clips and mounting hardware in the event one of these parts are loosened, removed or missing from the engine.
sb542962019-04-08. Service bulletin. FUEL SYSTEM, DIESEL. Fuel Level Sending Unit Retrofit
sb542962019-04-01. Service bulletin. FUEL/PROPULSION SYSTEM. Fuel Level Sending Unit Retrofit
1212-182019-03-18. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. Service Information Bulletin- Exhaust Gas Recirculation Crossover Pipe
1213-182019-03-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; FUEL SYSTEM, DIESEL. Service Information Bulletin
sb00392019-03-11. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. Service Bulletin New "Natural Gas Vehicle Information" Webpage
0504-182018-12-10. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE. 0504-18 Fuel System - Fuel Injectors
0508-182018-10-29. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0508-18 Aftertreatment
0504-182018-10-29. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE. 0504-18 Fuel System - Fuel Injectors
530-132018-06-25. Service bulletin. FUEL SYSTEM, GASOLINE. 530-13 Low Pressure Fuel Pump ? Two-Filter Fuel System
529-132018-06-25. Service bulletin. FUEL SYSTEM, GASOLINE. 529-13 Operation of the Fuel System - Two-Filter Fuel System
0404-182018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0404-18 GHG17 DD8 - Aftertreatment Systems - Diesel Particulate Filter End Cap
sb542982018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM; ENGINE. sb54298 GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure GaugeB
sb542962018-06-18. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY; FUEL SYSTEM, OTHER. sb54296 Fuel Level Sending Unit RetrofitB
sb490392018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. sb49039 Cleaning DEF Line ConnectorsB
sb490382018-06-18. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; EQUIPMENT:MECHANICAL. sb49038 Magnetized Fill Neck for Six-Gallon DEF TanksB

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