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Service bulletins for the 2024 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.

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

By type

By component

Bulletins, newest first
TSB-54-379-FTL2026-02-03. Service bulletin. SERVICE BRAKES. Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
CXA_01_26_Trans Support2026-02-03. Other. POWER TRAIN. CX Advocate for Aftermarket Transmission Support
TSB-54-379-FTL2026-02-03. Service bulletin. SERVICE BRAKES. Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
FleetCom_Oil Plug Loc2026-01-08. Other. POWER TRAIN. Fleet Communications for NFD Lower Oil Plug Location - SP Axles
FleetCom_Heater Core2026-01-08. Other. ENGINE. Fleet Communications for Heater Core Plugging
FleetCom_TCM Clutch2026-01-07. Other. POWER TRAIN. Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully
TSB54-377-FTL2026-01-07. Service bulletin. ENGINE. Technical Service Bulletin Low Coolant Sensor
FleetCom_Chassis Lean2025-12-06. Other. SUSPENSION. Fleet Communications for Trucks arriving at dealers and body builders with chassis leans greater than 3/8 of an inch
FleetCom_Clutch2025-12-06. Other. POWER TRAIN. Fleet Communications for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
CXA 11_25_AMTcc DTC2025-12-02. Other. POWER TRAIN. CX Advocate for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently
CXA 10_25_Air Dryer Purge2025-11-06. Other. SERVICE BRAKES. CX Advocate for Experiencing Excessive Purging from Air Dryer
TSB54-374-FTL2025-11-05. Service bulletin. EXTERIOR LIGHTING. Technical Service Bulletin for Disconnection of the Headlight Harness from the Headlight Assembly
TSB54-371-FTL2025-11-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Technical Service Bulletin for Enabling Virtual Regen Request Switch in ICU Menu
CXA_10_25_TufTrac M122025-11-05. Other. SUSPENSION. CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
CXA_10_25_Odometer Pause2025-11-05. Other. ELECTRICAL SYSTEM. CX Advocate for Removing Odometer Pause Wiring Modifications (TSB-54-375-FTL, TSB-54-100-WST)
CXA_10_25_Conmet Oil Pan2025-11-05. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Issues
CXA_10_25_Chassis Lean2025-11-05. Other. SUSPENSION. CX Advocate for Trucks arriving at dealers and body builders with chassis leans greater than 3/8 of an inch
TSB32-057-FTL2025-10-03. Service bulletin. SUSPENSION. Technical Service Bulletin for TufTrac M12 Bolts
CXA_9_25_MDEG Updates2025-10-03. Other. ENGINE. CX Advocate for MDEG Updates
MYCOM_09092025-12025-10-03. Other. UNKNOWN OR OTHER. My communications for DTNA Announces Extended Coverage Policy Updates
MYCOM_09022025-12025-10-03. Other. FUEL/PROPULSION SYSTEM. My Communications for UFI 0-Ring Announcement
WI25-0142025-10-03. Other. STEERING. Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision
CXA_8_25_KY AEB2025-09-02. Other. FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. CX Advocate for KY AEB Notice
TSB54-375-FTL2025-09-02. Service bulletin. ELECTRICAL SYSTEM. Technical Service Bulletin for Removing Odometer Pause Wiring Modifications
24CSA-19Rev2025-09-02. Other. ENGINE. Revised Customer Service Annoucement for No Trouble Found Heavy Duty Engine Product (HDEP) Oil Separator Leaks

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