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Service bulletins for the 2025 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.

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

By type

By component

Bulletins, newest first
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
PB33-004-FTL2025-07-08. Service bulletin. STEERING. Parts Bulletin for Tie Rod Assembly Part Breakdown
TSB26-056-FTL2025-05-02. Service bulletin. POWER TRAIN. Service Solution for DT12 Oil Plug Ports
TSB54-374-FTL2025-05-02. Service bulletin. VISIBILITY/WIPER. Technical Service Bulletin for Disconnection of the Headlight Harness from the Headlight Assembly
CXA 4_25_SS3172-FTL TPMS2025-05-02. Other. WHEELS. CX Advocate for TPMS water intrusion
CXA 3_25_Wheel Seals2025-04-02. Other. WHEELS. CX Advocate for wheel seals
CXA 3_25_SAS01T to SAS03T2025-04-02. Other. STEERING. CX Advocate for SAS01T to SAS03T replacement (TSB54-373-FTL, TSB54-097-WST)
CXA 2_25_Turbo Oil Drain2025-03-04. Other. ENGINE. CX Advocate for turbo oil drain cracking
CXA 2_25_Wired Regen2025-03-04. Other. SERVICE BRAKES. CX Advocate for Cummins Engine with Wired Regen Inhibit Switch (SF703)
CXA 2_25_DA Fault Code2025-03-04. Other. ELECTRICAL SYSTEM. CX Advocate for M2 Plus, 47X, 49X Fault Code 232/524000/19- ECU CPC data error
CXA 2_25_BB Marker Lights2025-03-04. Other. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. CX Advocate for M2 and SD+ Bodybuilder Marker Lights Turn Off While Truck Lights Remain On
TSB01-002-DDC2025-03-04. Service bulletin. ENGINE. Technical Service Bulletin for Gen 5 DD13 Turbocharger Oil Return Line Cracks
SS3172-FTL2025-03-04. Other. WHEELS. Service Solution for Tire Pressure Monitoring System (TPMS) Water Intrusion Through Perimeter Seal
TSB54-373-FTL2025-03-04. Service bulletin. STEERING. Technical Service Bulletin for SAS01T to SAS03T Replacement Information
SS3162-FTL2025-03-04. Other. ELECTRICAL SYSTEM. Service Solution for M2 Plus, 108,114SD Plus and New Cascadia Vehicles, SSL and SSR Non-Functional
CALFTL13-0032025-01-31. Service bulletin. SERVICE BRAKES. Revised Customer Advisory Letter for 114SD’s Ordered with 2-Cylinder Air Compressors Delivered Without Pressure Relief Valve
CXA 1_16_Turbo Oil Drain2025-01-29. Other. ENGINE. CX Advocate for turbo oil drain cracking
CXA 1_16_Seat Occupancy2025-01-29. Other. SEATS. CX Advocate for repairing seat occupancy sensor (TSB 91-016-FTL)
CXA 1_16_NOx2025-01-29. Other. ENGINE. CX Advocate for NOx conversion low faults
CXA 1_16_DD13 Altitude2025-01-29. Other. ENGINE. CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
CXA 1_16_CARB Truck Chec2025-01-29. Other. ENGINE. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
Detroit FAB 3272025-01-07. Other. LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; LANE DEPARTURE: BLIND SPOT DETECTION; LANE DEPARTURE: WARNING. Updated Detroit Ferightliner Action Bulletin for Detroit Connect Safety Plus
TSB35-039-FTL2025-01-03. Service bulletin. POWER TRAIN. Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management

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