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Service bulletin TJ35479.1.0-2020

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 id10175795
Published by NHTSA2020-05-26
Manufacturer's numberTJ35479.1.0-2020
Manufacturer's date2020-04-16
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH

NHTSA's summary

This is a Technical Journal: Headlamp high beam malfunction - message in DIM

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

Lighting, Headlights

Vehicles listed
VOLVO XC402019, 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
KC-992021-11-05. Service bulletin. Volvo Chassis 2008 And Up LED Headlight Conversion Programming Procedure
SPJ3224230-2019-2019-07-01. Service bulletin. This is a Service Product Journal: Digital Head Light Instrument for L.E.D., Halogen, Xenon vehicles
TJ17076.11.0-2012019-03-25. Service bulletin. Technical Journal TITLE : Headlamp , Leak Test REF NO : ISSUING DEPARTMENT : CAR MARKET : United States TJ 17076 Technical Service PARTNER : ISSUE DATE : 3 US 7510 Volvo Cars North America YEAR MONTH DAY 2012 10 11 FUNC GROUP : FUNC DESC : 3521 Headlamp , complete Page 1 of 24 Attachment File Name File Size S80 - V70 - XC70 . pdf 0.5641 MB S60 - XC60 . pdf 0.5868 MB C30 - S40 - V50 - C70 . pdf 0.4175 MB XC90 . pdf 0.6020 MB Vehicle Type Eng Struc Week Type Eng Sales Body Gear Steer Model Year Plant Chassis range Desc Range 124 2007 - 9999 0000850 - 9999999 200605 - 999952 134 2011 - 9999 0000194 - 9999999 201020 - 999952 135 2008 - 2010 0000395 - 9999999 200720 - 999952 136 2008 - 9999 0000400 - 9999999 200720 - 999952 156 2010 - 9999 0000395 - 9999999 200720 - 999952 275 2003 - 9999 0000690 - 9999999 200232 - 999952 533 2007 - 9999 0000261 - 9999999 200637 - 999952 542 2006 - 9999 0000590 - 0999999 200549 - 999952 544 2004 - 2010 0000295 - 0999999 200339 - 999952 545 2004 - 2010 0000133 - 0999999 200347 - 999952 CSC Customer Symptom Codes Code Description W4 Headlights / Moisture / mist on inside of lens WG Headlights / Lens broken / chipped / cracked / distorted ? Fixed Right ? First Time ? Produced in the USA and available as an electronic document . Hard copy documents are printed in USA on recycled paper containing a minimum of 50 % wastepaper and 10 % post - consumer waste . © 2012 VOLVO CARS OF NORTH AMERICA , LLC Technical Journal 17076 DTC Diagnostic Trouble Codes Text CSC = Customer Symptom Code DTC = Diagnostic Trouble Code Note ! If using a printed copy of this Retailer Technical Journal , first check for the latest online version . DESCRIPTION : The headlamp assembly may have condensation caused by moisture inside of lens . Some condensation is normal and not considered a defect . Automotive lamps are designed as an open system and atmospheric humidity can enter the lamp and also exit . The moisture disappears over a time period through the air v