# Service bulletins for the 2021 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.

21 bulletins from NHTSA, as of 2026-10-19.

- [SS1032974](/bulletins/10195659.md), 2021-06-09, Service bulletin: UNKNOWN OR OTHER. SS 1032974 High Oil Pressure on 2017 DTNA Vehicles Instrument Cluster Display
- [SS1032728](/bulletins/10195640.md), 2021-06-09, Service bulletin: ELECTRICAL SYSTEM. SS 1032728 Bulkhead Module Fault Codes 524280 thru 524286 with FMI 7 Clarification
- [SS1032989](/bulletins/10195624.md), 2021-06-09, Service bulletin: ELECTRICAL SYSTEM. Service Solution SS 1032989 – BHM Fault Code Changes
- [SS1032998](/bulletins/10195601.md), 2021-06-09, Service bulletin: EQUIPMENT. Service Solution SS 1032998 M2 mirror wind noise
- [SS1033094](/bulletins/10195575.md), 2021-06-09, 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...
- [SS1033180](/bulletins/10195561.md), 2021-06-09, Service bulletin: UNKNOWN OR OTHER. Service Solution SS 1033180 BHM Fault Code SPN 524251 FMI 7 \- Extr...
- [SS1033289](/bulletins/10195484.md), 2021-06-09, Service bulletin: ELECTRICAL SYSTEM. Service Solution SS 1033289 BHM Fault Code SPN 524249 / FMI 7
- [FAB212](/bulletins/10193778.md), 2021-05-19, Service bulletin: EQUIPMENT; STRUCTURE. Freightliner Action Bulletin FAB212 Aggressive Step Edge
- [FAB211](/bulletins/10193777.md), 2021-05-19, Service bulletin: VISIBILITY. Freightliner Action Bulletin FAB211 Mounting for Rear View Monitor
- [FAB162](/bulletins/10193748.md), 2021-05-18, Service bulletin: EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Freightliner Action Bulletin FAB162 Remote Stop Start
- [FAB160](/bulletins/10193746.md), 2021-05-18, Service bulletin: STRUCTURE; ENGINE AND ENGINE COOLING. Freightliner Action Bulletin FAB160 Rock Guard
- [FAB156](/bulletins/10193718.md), 2021-05-18, Service bulletin: ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Freightliner Action Bulletin FAB156 M2 aux rear heat and AC
- [FAB155](/bulletins/10193715.md), 2021-05-18, Service bulletin: STRUCTURE. Freightliner Action Bulletin FAB155 Polished stainless steel steps
- [FAB152](/bulletins/10193695.md), 2021-05-18, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Freightliner Action Bulletin FAB152 Chassis Module Relocation
- [FAB150](/bulletins/10193694.md), 2021-05-18, Service bulletin: EXTERIOR LIGHTING; STRUCTURE:BODY:BUMPERS. Freightliner Action Bulletin FAB150 Bumper guide lights
- [FAB149](/bulletins/10193693.md), 2021-05-18, Service bulletin: SEATS. Freightliner Action Bulletin FAB149 heated seats
- [FAB148](/bulletins/10193692.md), 2021-05-18, Service bulletin: FUEL SYSTEM, GASOLINE. Freightliner Action Bulletin FAB148 Between rail fuel tank
- [FAB147](/bulletins/10193691.md), 2021-05-18, Service bulletin: EQUIPMENT; SEAT BELTS. Freightliner Action Bulletin FAB147 Vehicle Data Recorder and Seat Belt Display
- [SB4934](/bulletins/10192960.md), 2021-05-10, Service bulletin: ENGINE AND ENGINE COOLING. DEF Tank Coolant Valve O\-Ring Kit
- [TechTalk566534K](/bulletins/10191857.md), 2021-05-07, Service bulletin: VISIBILITY. Tech Talk discussion on Air line Coding and location in manual.
- [TechTalk566554K](/bulletins/10191852.md), 2021-05-07, Service bulletin: EQUIPMENT. Tech Talk discussion on New Beam clamp for harness routing 23\-14234\-002.

JSON: [/v1/vehicles/2021_freightliner_m2/bulletins](/v1/vehicles/2021_freightliner_m2/bulletins)

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