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Service bulletin E272

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 id10182217
Published by NHTSA2020-11-05
Manufacturer's numberE272
Manufacturer's date2020-10-05
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT

NHTSA's summary

Non-Safety Campaign – Certain EMY 2020 EPA2017 MX-13 Engine brake control valve solenoids may malfunction. The solenoid malfunction may result in an engine brake “always on” or “always off”. Solenoids will be inspected and replaced as needed. Additional chassis have been added.

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

Engine, Equipment and accessories

Vehicles listed
PETERBILT PETERBILT

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