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Service bulletin R2105

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 id10251175
Published by NHTSA2024-03-04
Manufacturer's numberR2105
Manufacturer's date2024-02-14
NHTSA componentELECTRICAL SYSTEM; STEERING:COLUMN

NHTSA's summary

Peterbilt has determined that certain model year 2021, pre-production chassis are eligible to have specific parts updated to production level.

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

Electrical system, Steering, Steering column and wheel

Vehicles listed
PETERBILT 3372021
PETERBILT 3482021
PETERBILT 3652021
PETERBILT 3672021
PETERBILT 3892021

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