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Service bulletin R2001

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 id10183725
Published by NHTSA2020-12-05
Manufacturer's numberR2001
Manufacturer's date2020-11-06
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Non-safety retrofit campaign: Certain pre-production vehicles equipped with PACCAR MX-11 and MX-13 GHG2017 MY2020 engines and built between 07/25/2019 and 08/06/2019 must be updated to production levels. R2001 requires an engine software update and new emission label. These vehicles have an emissions exemption expiration date of 12/31/2020.

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

Vehicles listed
PACCAR MX-112019
PACCAR MX-132019 to 2020

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