Vehicle recall 12V046000 · February 8, 2012
2011-2012 Autocar ACX
In extremely cold conditions, these bendix relay valves may potentially develop internal leakage.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Autocar is recalling certain model year 2011-2012 acx heavy-duty class 8 vehicles, manufactured from December 22, 2010, through December 5, 2011, and equipped with bendix atr-6 antilock traction relay valves. In extremely cold conditions, these bendix relay valves may potentially develop internal leakage. Internal leakage can lead to air pressure being delivered to affected primary or secondary brake causing continuous brake application.
- Consequence
- Unexpected continuous brake application can cause the brakes to overheat and lead to a fire. Unexpected continuous brake application can cause the driver to lose control of the vehicle, increasing the risk of a crash. Also, the brakes may be applied without illuminating the brake lights, failing to give proper warning to other drivers.
- Remedy
- Autocar will notify owners, and dealers will provide a temporary repair until bendix develops a permanent remedy. This service will be performed free of charge. The safety recall began on August 8, 2012. Owners may contact autocar at 1-765-489-5499.
- Notes
- Autocars recall number is a-1201.CUSTOMERS may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov.
Recall details
- NHTSA campaign
- 12V046000
- Reported to NHTSA
- February 8, 2012
- Filed by
- AUTOCAR, LLC
- Manufacturer campaign
- A-1201
- Owner notification
- August 8, 2012
- Vehicles potentially affected
- 269
- Initiated by
- the manufacturer
- Components
- Service brakes, air › Supply › Check valve
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Autocar ACX (2011-2012): 2012, 2011
Has your Autocar been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Autocar dealer can also check your VIN. Recall repairs are free.