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Service bulletins for the 2023 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.

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

By type

By component

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
MAN 00000728682026-10-05. Other. POWER TRAIN. Detroit Transmissions Manual Update for Symptom Diagnostics — DT12 C/D Box Range Shift to Neutral with Reversing Events (Aborts)
TS-0013-002026-08-03. Other. POWER TRAIN. Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO
TS-0008-002026-06-01. Other. POWER TRAIN. Truck Equipment Manufacturer Solution for RSS with PTO Engagement
TSB-26-001-DDC2026-05-02. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for DT12 Range Detent Diagnostic
TSB-26-001-DDC2026-04-02. Other. POWER TRAIN. Technical Service Bulletin for DT12 Range Detent Diagnostic
TSB-26-058-FTL2026-03-27. Service bulletin. POWER TRAIN. Technical Service Bulletin for Transmission shift stalk
CXA_01_26_Trans Support2026-02-03. Other. POWER TRAIN. CX Advocate for Aftermarket Transmission Support
FleetCom_Oil Plug Loc2026-01-08. Other. POWER TRAIN. Fleet Communications for NFD Lower Oil Plug Location - SP Axles
FleetCom_TCM Clutch2026-01-07. Other. POWER TRAIN. Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully
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
TSB26-056-FTL2025-05-02. Service bulletin. POWER TRAIN. Service Solution for DT12 Oil Plug Ports
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
TSB35-039-FTL2024-12-06. Service bulletin. POWER TRAIN. Revised Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management.
CXA 11_21_M2, SD Transfer2024-12-04. Other. POWER TRAIN; ENGINE. CX Advocate for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed (SS 3155-FTL)
SS3155-FTL2024-11-06. Other. ENGINE; POWER TRAIN. Service Solution for M2 and SD Vehicles Transfer Case Failures Due to Excessive Vehicle Speed
CXA 9_24_NFD fill plug2024-10-04. Other. POWER TRAIN. CX Advocate for NFD fill plugs
TSB35-039-FTL2024-09-07. 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.
TSB35-039-FTL2024-08-02. 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.
CXA 06_24_Clutch Bolts2024-07-09. Other. POWER TRAIN. CX Advocate communication for clutch bolts
TSB35-042-FTL2024-06-05. Service bulletin. POWER TRAIN. Technical Service Bulletin for New Final Drive Over Heat Diagnostic
TSB35-039-FTL2024-06-05. Service bulletin. POWER TRAIN. Technical Service Bulletin for Detroit New Final Drive Standard Performance Forward Carrier Change to Top Performance Passive Lube Management
ICI23-0432023-12-06. Service bulletin. POWER TRAIN. Important Campaign Information Letter for SF680 Allison TCM Software Update / TT9108EN
MYCOM_112320222022-12-03. Service bulletin. POWER TRAIN. My Communications for M2 and SD Neutral at Stop Requirement. In alignment with the Canadian GHG Phase II policy, DTNA will now require a Neutral at Stop specification on all 2023 M2 106 (Legacy and Plus) models domiciled in Canada with Cummins B6.7, L9, Allison Transmission and all vocations.

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