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Service bulletin 54158

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 id635353
Published by NHTSA2002-10-22
Manufacturer's number54158
Manufacturer's date2002-07-01
NHTSA componentPOWER TRAIN

NHTSA's summary

ON VEHICLES EQUIPPED WITH AN MBE900 ENGINE AND A MANUAL TRANSMISSION,THE WABASH SPEED SENDER MAY NOT HAVE A STRONG ENOUGH OUTPUT SIGNAL WHEN THE VEHICLE IS TRAVELING AT LOW SPEEDS. *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
FREIGHTLINER BUSINESS CLASS

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