Recall 12V233 affects 5 2011-2012 Stoll Stock trailers with an improperly heat-treated brake actuator pump. Repair will be free once available.
Stoll is recalling 5 2011-2012 Stock trailers equipped with a Dexter Axle electric/hydraulic brake actuator pump because improper heat treatment can prematurely wear critical pump components and stop the actuator from working. If the actuator fails, the trailer can lose braking effort and the risk of a crash increases; the Stoll dealer repair will be free once available.
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What's wrong?
The electric/hydraulic brake actuator pump on the 2011-2012 Stoll Stock trailer is part of the trailer braking system. It takes the brake signal from the tow vehicle and uses an electric pump to create hydraulic pressure for the trailer brakes. When it works correctly, the trailer brakes apply with the tow vehicle brakes instead of relying only on the tow vehicle to slow the load.
On affected trailers, the Dexter Axle actuator pump was not properly heat treated. Heat treatment is a manufacturing step that hardens metal parts so they resist wear under pressure and movement. Without the correct treatment, critical parts inside the pump wear too early, and the pump can stop operating. Once that happens, the actuator cannot supply normal hydraulic pressure to the trailer brakes.
There is no warning sign before failure. If the pump stops working, the trailer brakes do not get normal hydraulic pressure from the actuator when you apply the brakes.
Who's affected?
Spans the 2011 and 2012 model years, with the same equipment component listed for both.
| 2011 Stoll Stock | Equipment |
|---|---|
| 2012 Stoll Stock | Equipment |
| Units affected | 5 |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific trailer is included.
What's the safety risk?
The E/H brake actuator supplies braking power to the trailer brakes. If the actuator fails, the trailer can lose braking effort, which increases crash risk because the tow vehicle has less help stopping the trailer. Use extra care while towing and schedule the recall repair soon. Repair will be free at any franchised Stoll dealer once available.
What should I do?
- Check your VIN to confirm your 2011-2012 Stoll Stock trailer is included in this recall.
- Contact Stoll customer service at 1-864-446-2121 to confirm the current repair path before scheduling service.
- Ask about the free electric/hydraulic brake actuator pump replacement that restores trailer braking power.
- Reference recall number 12V233 when you call, and bring the recall notice if Stoll sent one.
- Avoid hauling loads until Stoll or the servicing dealer confirms the trailer brake actuator repair is complete.
What happens at the repair
Once the repair is available, the dealer replaces the electric/hydraulic brake actuator pump on the affected Stock trailer. The filing identifies the Dexter Axle electric/hydraulic pump as the part being replaced. Parts and labor are covered under recall 12V233. Because the remedy status is not listed as available, confirm that the repair is open before arranging service with Stoll or the dealer handling the Dexter Axle brake actuator replacement.
Timeline
| May 22, 2012 | NHTSA published the recall |
|---|---|
| June 7, 2012 | Owner notification mailed |
Frequently asked questions
What is recall 12V233?
Recall 12V233 covers 5 2011-2012 Stoll Stock trailers equipped with a Dexter Axle electric/hydraulic brake actuator pump. The pump was not properly heat treated, which can wear critical components and make the actuator inoperable. Dexter Axle dealers will replace the pump for free.
What should I do if my 2011-2012 Stoll Stock is on this recall?
Check your VIN to confirm your specific trailer is included in recall 12V233. If it is, contact Stoll at 1-864-446-2121 and ask how to arrange the free Dexter Axle electric/hydraulic brake actuator pump replacement.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the recalled defect at no cost. For recall 12V233, Dexter Axle dealers will replace the electric/hydraulic brake actuator pump free of charge.
What is the safety risk?
The safety risk is loss of trailer braking effort. The electric/hydraulic actuator supplies braking power to the trailer brakes, and actuator failure increases crash risk. Confirm the VIN before towing and arrange the free replacement if the trailer is included.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/12V233000 |
|---|---|
| Stoll customer service | 1-864-446-2121 |
| NHTSA recall # | 12V233 |
| NHTSA recall # (full) | 12V233000 |
Source documents
-
Download Owner Notification Letter (PDF) - Download Defect / Noncompliance Notice (PDF) (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on June 2, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →