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Service bulletin TJ34857.4.0-2020

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 id10173750
Published by NHTSA2020-04-13
Manufacturer's numberTJ34857.4.0-2020
Manufacturer's date2020-03-17
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

This is a Technical Journal: ECM-P04F000, Evap System, High Pressure Purge Line

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

Equipment and accessories, Fuel system, Fuel hoses and lines

Trouble codes named

P04F0

Vehicles listed
VOLVO XC902018, 2019, 2020

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

Other bulletins for the same vehicles and component
TJ34857.4.2-20202020-04-13. Service bulletin. This is a Technical Journal: ECM-P04F000, Evap System, High Pressure Purge Line