Vehicle report

2026 FREIGHTLINER 114SD

Service bulletins

71 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

ICI26-014

Other

Important Campaign Information letter for SF732 Revised Bulletin

SF732-Bulletin

Service Campaign

Revised Field Service Campaign for Power Acumen Fuse

SF732-DLR LTR

Service Campaign

Revised Field Service Campaign for Power Acumen Fuse

TSB-54-334-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Front Lighting Ground Splice Pack Failure

WI26-009R

Other

Revised Warranty Information letter for missing chamber caging bolts

TS-0004-00

Other

Truck Equipment Manufacturer Solution for Odometer Pause & PTO Mode Delay with Customer Installed SSPTO & Controls

TS-0013-00

Other

Truck Equipment Manufacturer Solution for PTO Mode Delay for Driving PTO

TEM-11-00001

Other

Truck Equipment Manufacturer upfit guide for Detroit Assurance Forward Radar Relocation and Adjustment

CXA 07_25_F1011,F1015 Lbl

Other

CX Advocate for Lost/Damaged Replacement F1011/F1015 Labels

SF732-OWN LTR

Service Campaign

Field Service campaign for Power Acumen Fuse

WI26-009

Other

Warranty Information letter for missing chamber caging bolts

TSB-26-059-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Chelsea PTO Quality Issue

TS-0014-00

Other

Truck Equipment Manufacturer Solution for Detroit Assurance Parameters for an Obstructed Multi-Purpose Camera View

WI26-008

Other

Warranty Information letter for Reman Parts Usage Policy Reminder

TS-0008-00

Other

Truck Equipment Manufacturer Solution for RSS with PTO Engagement

CXA 03_26_ABS LA Fault

Other

CX Advocate for 1810/02 ABS longitudinal acceleration fault (TSB-54-104-WST,TSB-54-379-FTL)

SF735-Bulletin

Service Campaign

Revised Field Service campaign for Adaptive Cruise Control (ACC): Cummins Medium Duty Engines

SF735-DLR LTR

Service Campaign

Revised Field Service campaign for Adaptive Cruise Control (ACC): Cummins Medium Duty Engines

SF735-OWN LTR

Service Campaign

Field Service Campaign for Adaptive Cruise Control (ACC): Cummins Medium Duty Engines

FleetCom_ESC Warning Lamp

Other

Fleet Communications for TSB-54-379-FTL & TSB-54-104-WST ESC warning lamp and ECU replacement

FleetCom_PB-47-903-FTL

Other

Fleet Communications for parts bulletin on Fluorosilicone Fuel Tank Cap Seals

PB-47-903-FTL

Other

Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals

MyCom_02102026-1

Other

My Communications for Alliance EX Value Brake Drum

TSB-54-379-FTL

Service Bulletin/Repair Instructions

Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement

CXA_01_26_Trans Support

Other

CX Advocate for Aftermarket Transmission Support

TSB-26-058-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Transmission shift stalk

FleetCom_CX Top Quality

Other

Fleet Communications for CX Top Quality Issues

FleetCom_Cab Chassis MFG

Other

Fleet Communications for cab chassis manufacturing

FleetCom_Wire, Air Rout

Other

Fleet Communications for Wiring/Airing Routing and Clipping

FleetCom_HVAC Eco Mode

Other

Fleet Communications for HVAC Eco Mode - SoP Disabled Jan 2026

FleetCom_Heater Core

Other

Fleet Communications for Heater Core Plugging

FleetCom_TCM Clutch

Other

Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully

TSB54-377-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin Low Coolant Sensor

CXA 11_25_AMTcc DTC

Other

CX Advocate for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently

FleetCom_Clutch

Other

Fleet Communications for New AMTcc - DTC 520970/7: Clutch Unable to Open Sufficiently

F1015-Bulletin

Emissions

Revised Emissions Recall for VECI Label Emissions Recall

F1015-DLR LTR

Emissions

Revised Emissions Recall for VECI Label Emissions Recall

ICI25-026

Other

Important Campaign Information for F1011 & F1015 Campaigns Revised

SS3162-FTL

Other

Service Solution for M2 Plus, 108,114SD Plus and New Cascadia Vehicles, SSL and SSR Non-Functional

CXA 10_25_Air Dryer Purge

Other

CX Advocate for Experiencing Excessive Purging from Air Dryer

CXA_10_25_Torque Quality

Other

CX Advocate for Torque Quality

CXA_10_25_TufTrac M12

Other

CX Advocate for TufTrac M12 Bolts (TSB-32-057-FTL)

CXA_10_25_TuffTrac Gen2

Other

CX Advocate for TufTrac Gen2 Suspension Field Issues

CXA_10_25_Wire, Air Rout

Other

CX Advocate for Wire/Airing Routing and Clipping

TSB32-057-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for TufTrac M12 Bolts

CXA_9_25_SF715

Other

CX Advocate for SF715 Stalk Switch Left and Right Inoperative

CXA_9_25_SF720

Other

CX Advocate for Davco Fuel Separator

WI25-014

Other

Warranty Information letter for Power Steering Tank Venting Diagnostic Procedures Revision

MYCOM_09092025-1

Other

My communications for DTNA Announces Extended Coverage Policy Updates

MYCOM_09022025-1

Other

My Communications for UFI 0-Ring Announcement

TSB-26-001-DDC

Other

Technical Service Bulletin for DT12 Range Detent Diagnostic

SF715-Bulletin

Service Campaign

Field Service campaign for stalk switches

SF715-DLR LTR

Service Campaign

Field Service campaign for stalk switches

SF715-OWN LTR

Service Campaign

Field Service campaign for stalk switches

ICI25-021

Other

Important Campaign Information letter for F1015 Campaign Revised

CXA_8_25_KY AEB

Other

CX Advocate for KY AEB Notice

F1015-OWN LTR

Emissions

Emissions Recall for VECI Label Emissions Recall

SF720-Bulletin

Service Campaign

Field Service campaign for Fuse Panel Cover

SF720-DLR LTR

Service Campaign

Field Service campaign for Fuse Panel Cover

SF720-OWN LTR

Service Campaign

Field Service campaign for Fuse Panel Cover

MYCOM_08122025-1

Other

MY Communications for Meritor Tandem Drive Axles No Longer Approved in Noise-Sensitive Applications

KY AEB Notice

Other

Customer letter for Detroit Assurance Kentucky Interstate 71 Road Hazard

CXA 7_25_DEF Regen

Other

CX Advocate for DEF Regen Inhibit Dash Switch Indicator (SF716)

CXA 6_25_Headlight wiring

Other

CX Advocate for Headlamp Wiring Routing Concern (TSB54-374-FTL)

PB33-004-FTL

Service Bulletin/Repair Instructions

Parts Bulletin for Tie Rod Assembly Part Breakdown

SF716-Bulletin

Service Campaign

Field Service Campaign for DEF Regen Inhibit Dash Switch Indicator

SF716-DLR LTR

Service Campaign

Field Service Campaign for DEF Regen Inhibit Dash Switch Indicator

SF716-OWN LTR

Service Campaign

Field Service Campaign for DEF Regen Inhibit Dash Switch Indicator

TSB26-056-FTL

Service Bulletin/Repair Instructions

Service Solution for DT12 Oil Plug Ports

CXA 4_25_SS3172-FTL TPMS

Other

CX Advocate for TPMS water intrusion

TSB54-374-FTL

Service Bulletin/Repair Instructions

Technical Service Bulletin for Disconnection of the Headlight Harness from the Headlight Assembly

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.

2026 Freightliner 114sd Service Bulletins: 71 bulletins | CarFathom