TSB 34521.11.1 — Volvo Service bulletin
34521.11.1 is a service bulletin on file with NHTSA for the Volvo XC90, 2016–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This is a Technical Journal: Headlamp condensation inside lens - information/leak test. If the result is not ok (air leak), it is ok to replace the headlamp
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 34521.11.1 names
Every document filed under 34521.11.1
| Document ID | Filed | Type |
|---|---|---|
| 34521.11.1 | May 7, 2026 | Service bulletin |
What 34521.11.1 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 34521.11.1?
34521.11.1 is a service bulletin filed with NHTSA by Volvo, covering the Volvo XC90 across the 2016–2022 model years. NHTSA's summary reads: This is a Technical Journal: Headlamp condensation inside lens - information/leak test. If the result is not ok (air leak), it is ok to replace the headlamp
Which vehicles does 34521.11.1 cover?
NHTSA's file names Volvo XC90 (2016–2022). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB 34521.11.1 a recall, and is the repair free?
No. 34521.11.1 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of 34521.11.1?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 34521.11.1, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 34521.11.1. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.