Diono Cambria 2, model year 2020. Filed by Diono and reported to NHTSA on 24 March 2021. 6,920 vehicles potentially affected.
What the notice says Diono is recalling certain Cambria 2 Booster Seats, model numbers 31200-US-01, 31201-US-01, and 31202-US-01. In the event of a crash, a crack between the headrest and backrest can occur, allowing the headrest to separate. As such, these seats fail to comply with the requirements of Federal Motor Vehicle Safety …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 21C002 cover?
- Diono Cambria 2, model year 2020.
- What is wrong with them?
- Diono is recalling certain Cambria 2 Booster Seats, model numbers 31200-US-01, 31201-US-01, and 31202-US-01. In the event of a crash, a crack between the headrest and backrest can occur, allowing the headrest to separate.
- What can happen if it is not put right?
- A broken or separated headrest increases the risk of injury during a crash.
- Is there a fix yet?
- Yes, and it is free. Diono will provide a replacement backrest with headrest assembly, free of charge. Diono recommends converting the seat into a backless booster seat until the replacement backrest is installed. Owner notification letters were mailed on May 24, 2021.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “A broken or separated headrest increases the risk of injury during a crash.”
affected
in the notice
caught
| Campaign | 21C002 |
|---|---|
| Filed by | Diono |
| System at fault | Child Seat |
| Reported to NHTSA | 24 March 2021 |
| Model years | 2020-2020 |
| Vehicles named | DIONO CAMBRIA 2 |
What the notice says today
The consequence
A broken or separated headrest increases the risk of injury during a crash.
The remedy
Diono will provide a replacement backrest with headrest assembly, free of charge. Diono recommends converting the seat into a backless booster seat until the replacement backrest is installed. Owner notification letters were mailed on May 24, 2021. Owners may contact Diono customer service at 1-855-463-4666 .
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 89 notices in the record whose component field names child seat. Across that group the median wait before owners were written to was 47 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 21C002, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21c002/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
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The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 21C002 on 23 August 2026, they were:
- Defect summary
0383fc56 - Consequence
41f8d79a - Remedy
ce91eed8
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 21C002 · how the whole register is watched
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