WenmarOpen by Wenmar Pro

Service bulletin ICI-15-001

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 id10057481
Published by NHTSA2015-06-03
Manufacturer's numberICI-15-001
Manufacturer's date2015-02-27
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

DAIMLER TRUCKS (ALLISON TRANSMISSION) : INFORMATION PROVIDED REGARDING INCORRECT CALIBRATION OF LOAD BASE SHIFT SCHEDULING (LBSS), CAUSING POOR PERFORMANCE ON CERTAIN TRUCK, DURING NORMAL DRIVING CONDITIONS, AND NEED TO BE RECALIBRATED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Manual transmission

Vehicles listed
ALLISON 1000 SERIES TRANSMISSION
ALLISON 2000 SERIES TRANSMISSION
ALLISON TRANSMISSION
FCCC XCR2010
FREIGHTLINER MT452013 to 2014
FREIGHTLINER MT552013 to 2014

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