Micro Bird G5, Micro Bird Mb Ii, Micro Bird T-Series, model years 2003 to 2022. Filed by Corp. Micro Bird, Inc. and reported to NHTSA on 13 July 2021. 1,323 vehicles potentially affected.
What the notice says Corp. Micro Bird, Inc. (Micro Bird) is recalling certain 2003-2015 MBII, 2015-2021 T-Series, and 2006-2022 G5 transit buses. The emergency release handle on the service door may bind, not allowing the door panels to open.
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.
Micro Bird's own number for this recall: 21-087-DUC. That is the number on the owner letter and on the dealer paperwork. 21V531 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 21V531 cover?
- Micro Bird G5, Micro Bird MB Ii, Micro Bird T-Series, model years 2003-2022.
- What is wrong with them?
- Corp. Micro Bird, Inc. (Micro Bird) is recalling certain 2003-2015 MBII, 2015-2021 T-Series, and 2006-2022 G5 transit buses. The emergency release handle on the service door may bind, not allowing the door panels to open.
- What can happen if it is not put right?
- The service door may not open, preventing evacuation of the vehicle in case of emergency, increasing the risk of injury.
- Is there a fix yet?
- Yes, and it is free. Dealers will provide instructions on how to correctly adjust the service door, free of charge. Owner notification letters were mailed on September 9, 2021. Owners may contact Micro Bird's customer service at 1-819-477-2012. Micro Bird's number for this recall is 21-087-DUC.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Micro Bird calls this recall 21-087-DUC, which is the number on the owner letter and the dealer paperwork.
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: “The service door may not open, preventing evacuation of the vehicle in case of emergency, increasing the risk of injury.”
affected
in the notice
caught
| Campaign | 21V531 |
|---|---|
| Filed by | Corp. Micro Bird, Inc. |
| System at fault | Structure:Emergency:Escape/Egress/Exit:Latching/Release System |
| Reported to NHTSA | 13 July 2021 |
| Model years | 2003-2022 |
| Vehicles named | MICRO BIRD G5, MICRO BIRD MB II, MICRO BIRD T-SERIES |
What the notice says today
The consequence
The service door may not open, preventing evacuation of the vehicle in case of emergency, increasing the risk of injury.
The remedy
Dealers will provide instructions on how to correctly adjust the service door, free of charge. Owner notification letters were mailed on September 9, 2021. Owners may contact Micro Bird's customer service at 1-819-477-2012. Micro Bird's number for this recall is 21-087-DUC.
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 901 notices in the record whose component field names structure. Across that group the median wait before owners were written to was 42 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 21V531, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21v531/
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.
Other Micro Bird notices we hold
- 26V287: 2023-2026 G5 and 2024 MB II school buses built on a GM chassis and equipped with a second air conditioning compressor kit
- 26V286: 2023-2025 G5 transit buses built on a GM chassis and equipped with a second air conditioning compressor kit
- 26V149: 2003-2026 MB II, 2006-2026 G5, and 2015-2026 T-Series school buses
- 26V148: 2026 G5 transit buses
- 26V147: 2002-2015 MB II, 2008-2026 G5, and 2015-2026 T-Series transit buses
- 25V902: 2018-2019, 2024-2026 G5E transit buses
- 25V901: 2019, 2021-2026 G5E school buses
- 25V843: 2026 G5 transit buses
All 81 Micro Bird campaigns we hold · Every manufacturer in the record
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 21V531 on 23 August 2026, they were:
- Defect summary
c0f0b5ba - Consequence
fb62d827 - Remedy
a4d26c7d
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 21V531 · how the whole register is watched
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