Mo Trailers 39 Vs, Mo Trailers 41 Vs, model year 2011. Filed by Mo Trailers and reported to NHTSA on 4 April 2012. 5 vehicles potentially affected.
What the notice says Mo trailers corporation (mo trailers) is recalling three model year 2011 39 vs and 41 vs trailers, equipped with electric/hydraulic (e/h) brake actuator pumps. two additional affected actuators were sold as retail parts sales. some of these pumps may not have been properly heat treated. this condition can cause …
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 12V144 cover?
- Mo Trailers 39 VS, Mo Trailers 41 VS, model year 2011.
- What is wrong with them?
- MO TRAILERS CORPORATION (MO TRAILERS) IS RECALLING THREE MODEL YEAR 2011 39 VS AND 41 VS TRAILERS, EQUIPPED WITH ELECTRIC/HYDRAULIC (E/H) BRAKE ACTUATOR PUMPS. TWO ADDITIONAL AFFECTED ACTUATORS WERE SOLD AS RETAIL PARTS SALES. SOME OF THESE PUMPS MAY NOT HAVE BEEN PROPERLY HEAT TREATED.
- What can happen if it is not put right?
- THE E/H BRAKE ACTUATOR PROVIDES BRAKING POWER TO THE TRAILER BRAKES. FAILURE OF THE ACTUATOR CAN RESULT IN THE LOSS OF BRAKING EFFORT BY THE TRAILER, INCREASING THE RISK OF A CRASH.
- Is there a fix yet?
- MO TRAILER NOTIFIED THE OWNERS OF THE AFFECTED ACTUATORS ON MARCH 26, 2012. OWNERS MAY CONTACT MO TRAILER AT 1-574-533-0824.
- 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: “THE E/H BRAKE ACTUATOR PROVIDES BRAKING POWER TO THE TRAILER BRAKES. FAILURE OF THE ACTUATOR CAN RESULT IN THE LOSS OF BRAKING EFFORT BY THE TRAILER, INCREASING THE RISK OF A CRASH.”
affected
in the notice
caught
| Campaign | 12V144 |
|---|---|
| Filed by | MO TRAILERS |
| System at fault | Equipment |
| Reported to NHTSA | 4 April 2012 |
| Model years | 2011-2011 |
| Vehicles named | MO TRAILERS 39 VS, MO TRAILERS 41 VS |
What the notice says today
The consequence
THE E/H BRAKE ACTUATOR PROVIDES BRAKING POWER TO THE TRAILER BRAKES. FAILURE OF THE ACTUATOR CAN RESULT IN THE LOSS OF BRAKING EFFORT BY THE TRAILER, INCREASING THE RISK OF A CRASH.
The remedy
MO TRAILER NOTIFIED THE OWNERS OF THE AFFECTED ACTUATORS ON MARCH 26, 2012. OWNERS MAY CONTACT MO TRAILER AT 1-574-533-0824.
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 12V144, wording as read on 17 September 2026. https://carsmultiverse.com/recall/12v144/
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 12V144 on 23 August 2026, they were:
- Defect summary
ce8e0617 - Consequence
827307a1 - Remedy
07615f21
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 12V144 · how the whole register is watched
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