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Service bulletin KEN4519

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 id42043
Published by NHTSA1995-11-01
Manufacturer's numberKEN4519
Manufacturer's date1995-04-01
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

WIRING ERROR CONNECTIN ECU MEMORY TO THE IGNITION CIRCUIT HAS BEEN RESPONSIBILE FOR ECU MEMORY LOSS WHEN IGNITION IS TURNED OFF. *TW

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

Electrical system, Wiring and fuses

Vehicles listed
KENWORTH KENWORTH

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