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Service bulletins for the 2017 Kenworth T680

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.

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

By type

By component

By trouble code

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
24KWD2024-05-04. Service bulletin. SERVICE BRAKES, AIR. Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air volume requirements per FMVSS/CMVSS 121 “Air Brake Systems”. This bulletin will be updated when repair parts and procedures are available.
13-0542020-08-05. Service bulletin. SERVICE BRAKES. Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
44-0292018-05-07. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER; ENGINE AND ENGINE COOLING; SERVICE BRAKES, AIR:DISC:CHAMBER. Non-Safety Campaign - The coolant lines connected to the fuel filter may interfere with the brake chamber on certain T680/T880 vehicles. Repeated interference may cause the fittings to break and leak coolant.
13-0482018-05-07. Service bulletin. SERVICE BRAKES; ENGINE. Fix-As-Fail ? Repair procedure for DTCs U1120 and/or U17C5 with WABCO Q27-6075-130 ABS ECU.

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