Service bulletins for the 2021 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.
153 on file from NHTSA, as of 2026-10-19.
By type
By component
| CXA 7_24_Conmet Oil Pan | 2024-08-02. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Failures |
|---|---|
| TSB35-039-FTL | 2024-08-02. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management. Description of Revisions: The bulletin replaces the version dated 05/14/2024. Creation date has been updated. |
| CALFTL13-002 | 2024-08-02. Service bulletin. ENGINE. Customer Advisory Letter for Proactive Air Compressor, Resonator, and Suction Line Replacement |
| CXA 06_24_Clutch Bolts | 2024-07-09. Other. POWER TRAIN. CX Advocate communication for clutch bolts |
| CXA 06_24_NOx | 2024-07-09. Other. ENGINE. CX Advocate communication for NOx conversion low faults |
| VSWP Customer Letter | 2024-06-22. Other. ENGINE. Customer letter regarding variable speed water pump. |
| SF672 POSTCARD LARGE | 2024-06-07. Service campaign. ELECTRICAL SYSTEM. Field Service Campaign Owner Reminder Postcard large population |
| SF672 POSTCARD SMALL | 2024-06-07. Service campaign. ELECTRICAL SYSTEM. Field Service Campaign Owner Reminder Postcard small population |
| TSB35-042-FTL | 2024-06-05. Service bulletin. POWER TRAIN. Technical Service Bulletin for New Final Drive Over Heat Diagnostic |
| TSB35-039-FTL | 2024-06-05. Service bulletin. POWER TRAIN. Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management |
| SS3144-FTL | 2024-05-07. Service bulletin. ENGINE AND ENGINE COOLING. Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller |
| ICI24-006 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. Important Campaign Information letter for FL974 - Revised Bulletin & Population |
| FL974 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING. Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been added, as shown in Table 2, to be used when a new DEF header is not required. There have been some other minor changes to the work instructions and SRT times. |
| FL974 | 2024-02-06. Service bulletin. ENGINE AND ENGINE COOLING. Emissions Recall: Cummins DEF Sensor Shortage |
| SF672_V4 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Revised Field Service Campaign for Common Telematics Platform Software Update |
| SF672 | 2023-06-29. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Field Service Campaign for Common Telematics Platform Software Update |
| ICI23-010 | 2023-04-07. Service bulletin. STEERING. Important Campaign Information letter communicating that SF660 Field Service Campaign is Replaced by FL967. |
| SF660A | 2023-02-04. Service bulletin. STEERING. Revised Field Service Campaign for Drag Link Tapered Joint |
| SF660 | 2023-01-06. Service bulletin. STEERING. Field Service Campaign for Drag Link Tapered Joint |
| SB54-295 | 2022-08-02. Service bulletin. ELECTRICAL SYSTEM. Revised Freightliner Service Bulletin for Replacing an Auto Baud Rate Detecting Bulkhead Module with a Fixed Baud Rate BHM. Description of Revisions: This bulletin replaces the version dated 02/01/2016. Information about auto baud rate connections has been included. |
| SB49-042 | 2022-03-03. Service bulletin. ENGINE AND ENGINE COOLING. Freightliner Service Bulletin for DEF Connector Reinforcement Caps. |
| SF613 | 2021-11-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. ConMet Front Hub to Rotor Fasteners. On certain vehicles, the front rotor nuts may not be torqued to manufacturer specification. Loose components could cause damage to the ABS tone rings, the ABS sensors, and the anchor plate mounting fasteners. |
| SB60-176 | 2021-06-29. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Freightliner Service Bulletin for Insulated Automatic Transmission Cover Plate. Some Business Class M2 and 108/114 Severe Duty vehicles equipped with a compressed natural gas (CNG) engine and automatic transmission may experience higher exhaust temperatures than vehicles equipped with a diesel engine. |
| SS1032974 | 2021-06-09. Service bulletin. UNKNOWN OR OTHER. SS 1032974 High Oil Pressure on 2017 DTNA Vehicles Instrument Cluster Display |
| SS1033180 | 2021-06-09. Service bulletin. UNKNOWN OR OTHER. Service Solution SS 1033180 BHM Fault Code SPN 524251 FMI 7 - Extr... |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.