Schwarze M6 Avalanche Cng, Schwarze M6 Avalanche Street Sweep, model years 2012 to 2020. Filed by Schwarze Industries, Inc. and reported to NHTSA on 18 October 2021. 547 vehicles potentially affected.
What the notice says Schwarze Industries, Inc. (Schwarze) is recalling certain 2012-2020 Avalanche M6TE, M6SE, and M6SE CNG street sweepers. The outside switch box that controls the position of the conveyor may activate unintentionally while the vehicle is running.
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 21V816 cover?
- Schwarze M6 Avalanche CNG, Schwarze M6 Avalanche Street Sweep, model years 2012-2020.
- What is wrong with them?
- Schwarze Industries, Inc. (Schwarze) is recalling certain 2012-2020 Avalanche M6TE, M6SE, and M6SE CNG street sweepers. The outside switch box that controls the position of the conveyor may activate unintentionally while the vehicle is running.
- What can happen if it is not put right?
- Unintentional activation of the switch box can advance the conveyor, presenting a crushing hazard between the conveyor and hopper, and increasing the risk of injury or death.
- Is there a fix yet?
- Yes, and it is free. Dealers will install a kit containing an outside switch guard and two crushing hazard warning decals, free of charge. Owner notification letters were mailed on November 23, 2021. Owners may contact Schwarze's customer service at 1-800-879-7934.
- 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: “Unintentional activation of the switch box can advance the conveyor, presenting a crushing hazard between the conveyor and hopper, and increasing the risk of injury or death.”
affected
in the notice
caught
| Campaign | 21V816 |
|---|---|
| Filed by | Schwarze Industries, Inc. |
| System at fault | Equipment |
| Reported to NHTSA | 18 October 2021 |
| Model years | 2012-2020 |
| Vehicles named | SCHWARZE M6 AVALANCHE CNG, SCHWARZE M6 AVALANCHE STREET SWEEP |
What the notice says today
The consequence
Unintentional activation of the switch box can advance the conveyor, presenting a crushing hazard between the conveyor and hopper, and increasing the risk of injury or death.
The remedy
Dealers will install a kit containing an outside switch guard and two crushing hazard warning decals, free of charge. Owner notification letters were mailed on November 23, 2021. Owners may contact Schwarze's customer service at 1-800-879-7934.
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 2,632 notices in the record whose component field names equipment. Across that group the median wait before owners were written to was 29 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 21V816, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21v816/
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 Schwarze notices we hold
- 17V214: 2013-2017 A7 Tornado, A8 Twister, A9 Monsoon, and M6 Avalanche street sweepers
- 14V469: model year 2009 Schwarze M6000SE CNG-powered street sweepers, equipped with certain Cummins Westport Model ISL G engines
All 3 Schwarze 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 21V816 on 23 August 2026, they were:
- Defect summary
56179ffb - Consequence
9e12bb54 - Remedy
63d652c5
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 21V816 · how the whole register is watched
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