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Service bulletin K21134562

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 id10138797
Published by NHTSA2018-05-29
Manufacturer's numberK21134562
Manufacturer's date2018-04-25
NHTSA componentFUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

Selective Catalytic Reduction ( SCR ) Efficiency And Diesel Exhaust Fluid ( DEF ) Dosing Valve Diagnostic Trouble Codes ( DTC ) P208E, P103C, P0422, P20EE, P207F, P225E; Dosing Valve Diagnostic Information TO BE USED BEFORE DEF DOSING VALVE REPLACEMENT - OBD13 And Newer Emissions (Commonly Model Year 2014 And Newer)

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, Exhaust and emissions, Fuel system

Trouble codes named

P0422, P103C, P207F, P208E, P20EE, P225E

Vehicles listed
VOLVO VAH2014 to 2018
VOLVO VHD2014 to 2019
VOLVO VN2018
VOLVO VNL2014 to 2019
VOLVO VNM2014 to 2018
VOLVO VNR2019
VOLVO VNX2014 to 2018

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