Wabco Trailer Iabs-2m, model year 9999. Filed by Wabco Usa Llc and reported to NHTSA on 26 October 2021. 277 vehicles potentially affected.
What the notice says WABCO USA, LLC (WABCO) is recalling certain Trailer ABS Systems, model number iABS-2M. The screws that secure the bracket cover and end cover of the iABS unit may have been improperly tightened, which can allow the screws to loosen and back out, resulting in a loss of pressure in the unit.
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 21E090 cover?
- Wabco Trailer Iabs-2M.
- What is wrong with them?
- WABCO USA, LLC (WABCO) is recalling certain Trailer ABS Systems, model number iABS-2M. The screws that secure the bracket cover and end cover of the iABS unit may have been improperly tightened, which can allow the screws to loosen and back out, resulting in a loss of pressure in the unit.
- What can happen if it is not put right?
- Pressure loss in the iABS unit can cause a loss of brake function, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. Wabco will work with vehicle manufacturers to repair or replace affected components as necessary, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact WABCO customer service at 1-855-228-3203.
- 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: “Pressure loss in the iABS unit can cause a loss of brake function, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 21E090 |
|---|---|
| Filed by | WABCO USA LLC |
| System at fault | Service Brakes, Air |
| Reported to NHTSA | 26 October 2021 |
| Model years | 9999-9999 |
| Vehicles named | WABCO TRAILER IABS-2M |
What the notice says today
The consequence
Pressure loss in the iABS unit can cause a loss of brake function, increasing the risk of a crash.
The remedy
Wabco will work with vehicle manufacturers to repair or replace affected components as necessary, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact WABCO customer service at 1-855-228-3203.
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 353 notices in the record whose component field names service brakes, air. Across that group the median wait before owners were written to was 43 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 21E090, wording as read on 16 September 2026. https://carsmultiverse.com/recall/21e090/
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.
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 21E090 on 23 August 2026, they were:
- Defect summary
2a601ff0 - Consequence
494820ff - Remedy
d7e30d0a
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 21E090 · how the whole register is watched
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