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Service bulletins for the 2023 Freightliner 108SD

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.

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

Warranty extensions
WI24-0192024-12-04. ENGINE. Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates

A warranty extension may pay for a repair after the basic warranty has ended. Read the document for which vehicles and which repair it covers.

By type

By component

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)
TSB-54-334-FTL2026-09-02. Service bulletin. EXTERIOR LIGHTING. Technical Service Bulletin for Front Lighting Ground Splice Pack Failure
WI26-009R2026-09-02. Other. SERVICE BRAKES. Revised Warranty Information letter for missing chamber caging bolts
TS-0013-002026-08-03. Other. POWER TRAIN. Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO
TEM-11-000012026-08-03. Other. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS. Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment
WI26-0092026-07-06. Other. SERVICE BRAKES. Warranty Information letter for missing chamber caging bolts
WI26-0082026-06-01. Other. UNKNOWN OR OTHER. Warranty Information letter for Reman Parts Usage Policy Reminder
TS-0014-002026-06-01. Other. LANE DEPARTURE: WARNING; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Truck Equipment Manufacturer Solution for Detroit Assurance Parameters for an Obstructed Multi-Purpose Camera View
TS-0008-002026-06-01. Other. POWER TRAIN. Truck Equipment Manufacturer Solution for RSS with PTO Engagement
MyCom_04102026-12026-05-02. Other. WHEELS. My Communications for ConMet Quality Alert -- ABP 10045888 -- Seal Service Kit
CXA 03_26_Surge Tank2026-04-02. Other. ENGINE. CX Advocate for discolored coolant surge tanks (24CSA-20)
CXA 03_26_ABS LA Fault2026-04-02. Other. SERVICE BRAKES. CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)
TSB-26-058-FTL2026-03-27. Service bulletin. POWER TRAIN. Technical Service Bulletin for Transmission shift stalk
PB-47-903-FTL2026-03-04. Other. FUEL/PROPULSION SYSTEM. Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
FleetCom_PB-47-903-FTL2026-03-04. Other. FUEL/PROPULSION SYSTEM. Fleet Communications for parts bulletin on Fluorosilicone Fuel Tank Cap Seals
FleetCom_ESC Warning Lamp2026-03-04. Other. SERVICE BRAKES. Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement
MyCom_02102026-12026-03-04. Other. SERVICE BRAKES. My Communications for Alliance EX Value Brake Drum
TSB-54-379-FTL2026-02-03. Service bulletin. SERVICE BRAKES. Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement
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
TSB54-377-FTL2026-01-07. Service bulletin. ENGINE. Technical Service Bulletin Low Coolant Sensor
CXA 10_25_Air Dryer Purge2025-11-06. Other. SERVICE BRAKES. CX Advocate for Experiencing Excessive Purging from Air Dryer
CXA_10_25_TufTrac M122025-11-05. Other. SUSPENSION. CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)
CXA_10_25_Conmet Oil Pan2025-11-05. Other. ENGINE. CX Advocate for ConMet Oil Pan Insert Additional Issues

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