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Service bulletin KC-740

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 id10179299
Published by NHTSA2020-09-03
Manufacturer's numberKC-740
Manufacturer's date2020-08-12
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Diagnostic Trouble Code (DTC) P20EE - SCR NOx Catalyst Efficiency Below Threshold (Bank 1) - US17+OBD2019 And Newer Emissions

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

Trouble codes named

P20EE

Vehicles listed
VOLVO VOLVO
VOLVO VOLVO TRUCK

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