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Service bulletins for the 2015 Freightliner M2

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.

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

By type

By component

Bulletins, newest first
SS10329742021-06-09. Service bulletin. UNKNOWN OR OTHER. SS 1032974 High Oil Pressure on 2017 DTNA Vehicles Instrument Cluster Display
SS10327282021-06-09. Service bulletin. ELECTRICAL SYSTEM. SS 1032728 Bulkhead Module Fault Codes 524280 thru 524286 with FMI 7 Clarification
SS10329892021-06-09. Service bulletin. ELECTRICAL SYSTEM. Service Solution SS 1032989 – BHM Fault Code Changes
SS10329982021-06-09. Service bulletin. EQUIPMENT. Service Solution SS 1032998 M2 mirror wind noise
SS10330942021-06-09. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE (MAP) SENSOR. Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
SS10331802021-06-09. Service bulletin. UNKNOWN OR OTHER. Service Solution SS 1033180 BHM Fault Code SPN 524251 FMI 7 - Extr...
SS10332892021-06-09. Service bulletin. ELECTRICAL SYSTEM. Service Solution SS 1033289 BHM Fault Code SPN 524249 / FMI 7
FAB2122021-05-19. Service bulletin. EQUIPMENT; STRUCTURE. Freightliner Action Bulletin FAB212 Aggressive Step Edge
FAB2112021-05-19. Service bulletin. VISIBILITY. Freightliner Action Bulletin FAB211 Mounting for Rear View Monitor
FAB1622021-05-18. Service bulletin. EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Freightliner Action Bulletin FAB162 Remote Stop Start
FAB1602021-05-18. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING. Freightliner Action Bulletin FAB160 Rock Guard
FAB1562021-05-18. Service bulletin. ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Freightliner Action Bulletin FAB156 M2 aux rear heat and AC
FAB1552021-05-18. Service bulletin. STRUCTURE. Freightliner Action Bulletin FAB155 Polished stainless steel steps
FAB1522021-05-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Freightliner Action Bulletin FAB152 Chassis Module Relocation
FAB1502021-05-18. Service bulletin. EXTERIOR LIGHTING; STRUCTURE:BODY:BUMPERS. Freightliner Action Bulletin FAB150 Bumper guide lights
FAB1492021-05-18. Service bulletin. SEATS. Freightliner Action Bulletin FAB149 heated seats
FAB1482021-05-18. Service bulletin. FUEL SYSTEM, GASOLINE. Freightliner Action Bulletin FAB148 Between rail fuel tank
FAB1472021-05-18. Service bulletin. EQUIPMENT; SEAT BELTS. Freightliner Action Bulletin FAB147 Vehicle Data Recorder and Seat Belt Display
TSN 32-032021-05-13. Service bulletin. STRUCTURE; TIRES; SUSPENSION; EQUIPMENT. TSN for M2 chassis used in a “Truck” application and equipped with an Airliner rear suspension. M2 chassis used in a “Truck” application and equipped with an Airliner rear suspension: - Unequal tire pressure side to side. - Rear suspension height set incorrectly. - Rear suspension axle seats installed incorrectly. - A lean at the steer axle suspension. - A weight difference side to side at the front and/or rear suspension.
SB49342021-05-10. Service bulletin. ENGINE AND ENGINE COOLING. DEF Tank Coolant Valve O-Ring Kit
TT87452021-02-22. Service bulletin. POWER TRAIN. Notice concerning Freightliner Service Bulletin 20-086
CAL80KSIFRAME2020-03-03. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Customer Advisory Letter for 80KSI Frame Reinforcement Installation for certain vehicles equipped with 80KSI frame rails and Airliner 21,000LB rear suspensions.
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.

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