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Service bulletin T010

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10185188
Published by NHTSA2021-01-06
Manufacturer's numberT010
Manufacturer's date2020-12-18
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN

NHTSA's summary

Non-Safety Campaign – Vehicles with PACCAR transmissions may experience transmission service lamp activation, no gear engagement from neutral, and/or DTC 511 FMI 7 or 10 is set. Transmission software and shift calibration updates are available to resolve

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Transmission and driveline, Software

Vehicles listed
KENWORTH T6802017, 2018, 2019
KENWORTH T8802017, 2018, 2019
KENWORTH W9902019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
21V9060002021-11-19. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, AIR

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
26-0372021-01-06. Service bulletin. Fix-As-Fail - Prior versions of Eaton Endurant transmission software may be prone to setting Linear Clutch Actuator (LCA) fault codes leading to possible LCA hardware replacement.
03-0712020-01-04. Service bulletin. Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer. The issue can be temporarily resolved using any one of the included procedures.
TIB34-0732019-03-11. Service bulletin. Fix-As-Fail: Vehicles equipped with VECU may activate frequently when LVD is enabled. Resolution is to update the CECU software.
99-0342018-05-07. Service bulletin. Information Only - CECU/VECU unable to communicate with ESA requires use of a Y-cable.
010692017-10-21. Service bulletin. Non-Safety Campaign: The Kenworth Idle Management System (KIMS) may shut down during use. A software issue, corrected by replacing the control panel, has been identified as the source of this issue.