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Service bulletin 24-NA-097

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 id11002035
Published by NHTSA2024-06-25
Manufacturer's number24-NA-097
Manufacturer's date2024-06-07
NHTSA componentENGINE; ELECTRICAL SYSTEM

NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of DTC P20EE DEF Control Unit Recalibration.

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, Engine

Trouble codes named

P20EE

Vehicles listed
CHEVROLET 4500HD2022, 2023
CHEVROLET 4500XD2022
CHEVROLET 5500HD2022, 2023
CHEVROLET 5500XD2022

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

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