WenmarOpen by Wenmar Pro

Service bulletin 2638

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 id10010410
Published by NHTSA2004-11-19
Manufacturer's number2638
Manufacturer's date2004-10-01
NHTSA componentPOWER TRAIN

NHTSA's summary

AUTOMATED GEAR SHIFT TRANSMISSION TROUBLESHOOTING. FREIGHTLINER BUSINESS CLASS M2 MODEL. *TT

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

Vehicles listed
UNKNOWN UNKNOWN

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