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Service bulletin Li3454e

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 id10109939
Published by NHTSA2017-08-03
Manufacturer's numberLi3454e
Manufacturer's date2015-10-19
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

This Campaign is being issued to address actuator failures for ISB6.7 and ISL CM2350 Cummins Engines in transit bus applications. Certified repair locations are authorized to calibrate the turbo actuator with current software which may reduce failures of the TurboActuator.

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, Engine, Software

Vehicles listed
NOVA BUS LFS2013 to 2014
NOVA BUS LFS2015

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

Recalls for the same vehicles and component
18V8290002018-11-26. ELECTRICAL SYSTEM:SOFTWARE

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
li3478er12017-08-03. Service bulletin. Incompatibility of Actia gauge programs A fault may appear on the Actia gauge if an incorrect program version is used (R1 modifications: Speedo SW 109633V08_00 changed to 109633V08_02 for ATUQ. For TTC Speedo SW 116724V04_35 changed to 116724V01_40 and Tach SW 117130V01_07 changed to 117130V01_09
LI3478E2017-01-19. Service bulletin. THIS COMMUNICATION IS A LETTER OF INFORMATION CONCERNING A FAULT THAT MAY APPEAR ON THE ACTIA GAUGE IF AN INCORRECT PROGRAM VERSION IS USED.
LI3521E2016-11-08. Service bulletin. DESTINATION SIGN OSCP SOFTWARE MAY FREEZE
BS3270E2016-11-04. Service bulletin. UNABLE TO PERFORM STATIONARY REGENERATION.
BS3773E2016-11-04. Service bulletin. THE COMMUNICATION BETWEEN ALLISON TRANSMISSION AND ACU3 REQUIRES OPTIMIZATION. REPROGRAM THE ACU3 HUBNER SOFTWARE.