2012 Autocar Acx Recalls

Recalls on record Updated July 2026

The 2012 Autocar Acx has 6 NHTSA recall campaigns affecting an estimated 5,983 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

ENGINE AND ENGINE COOLING 14V132000 2014-03-19 4,192 affected
Defect

Autocar, LLC (Autocar) is recalling certain model year 2008-2014 ACX, WX, and WXLL vehicles manufactured July 30, 2007, through February 10, 2014, and equipped with certain Cummins Westport Model ISL G or ISX12 G engines. Condensation in the intake manifold may freeze during cold weather conditions and interfere…

Consequence

The improper operation of the sensor could induce elevated exhaust temperatures or flames from the exhaust pipe, increasing the risk of a vehicle fire or burn injury to a person near the exhaust pipe.

Remedy

Cummins Inc. and Cummins Wesport Inc. will notify owners, and authorized Cummins service facilities will upload a new ECM calibration, free of charge. The recall began on April 12, 2014. Owners may contact Autocar at 1-765-489-5499 or Cummins Inc. at 1-800-343-7357. Autocar's number for this recall is A-1402.

SERVICE BRAKES, AIR 13V184000 2013-05-08 82 affected
Defect

Autocar, LLC is recalling certain model year 2005-2013 ACX, WX, and WXLL trucks built November 16, 2004, through September 10, 2012. On the affected vehicles, the air brake systems were built without the required air tank drain valve. Therefore, these vehicles fail to conform to the requirements of Federal Motor…

Consequence

Air tanks with valves omitted will not drain if moisture is introduced into the tank, potentially reducing air capacity in the air brake system, which could cause a reduction in brake performance and equipment durability, thus increasing the risk of a crash.

Remedy

Autocar will notify owners, and dealers will repair the vehicles free of charge. The recall began on June 27, 2013. Owners may contact Autocar at 1-765-489-5499. Autocar's recall campaign number is A-1302.

VISIBILITY/WIPER 13V183000 2013-05-08 797 affected
Defect

Autocar, LLC is recalling certain model year 2012-2013 ACX trucks built May 1, 2012, through November 15, 2012. Due to an insufficient weld, the windshield wiper arms of the vehicles may not be held in their proper position. Thus, these vehicles fail to conform to the requirements of Federal Motor Vehicle Safety…

Consequence

Without properly working windshield wipers, the driver's vision could be hindered by precipitation, increasing the risk of a crash.

Remedy

Autocar will notify owners, and dealers will repair the vehicles free of charge. The recall began on July 19, 2013. Owners may contact Autocar at 1-765-489-5499. Autocar's recall campaign number is A-1303.

PARKING BRAKE 13V138000 2013-04-11 532 affected
Defect

Autocar, LLC is recalling certain model year 2011-2013 ACX vehicles manufactured January 24, 2011, through December 4, 2012. These vehicles are equipped with Meritor axle assemblies that were built with disc brakes using MGM J24 series air brake chambers. In the affected axles, the brake chambers may leak pressure…

Consequence

Overheated brake components could result in a fire.

Remedy

Autocar will notify owners and will replace the actuators as needed, free of charge. The safety recall began on June 10, 2013. Owners may contact Autocar at 1-765-489-5499. Autocar's campaign recall number is A-1301.

POWER TRAIN 12V083000 2012-03-02 111 affected
Defect

MCNEILUS IS RECALLING CERTAIN MODEL YEAR 2012 AUTOCAR ACX TRUCKS, MANUFACTURED FROM MARCH 17, 2011, THROUGH FEBRUARY 10, 2012. THE REFUSE TRUCK MANUFACTURING PROCESS MAY REQUIRE THAT THE TAG AXLE ON THE CHASSIS BE REMOVED. DURING REMOVAL, TWO AIR LINES MUST BE REINSTALLED IN THE CORRECT LOCATION. IF THE AIR LINES…

Consequence

REDUCED BRAKING ABILITY COULD INCREASE THE RISK OF A CRASH.

Remedy

MCNEILUS WILL NOTIFY OWNERS WILL INSPECT VEHICLES AND PERFORM REPAIRS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 2, 2012. OWNERS MAY CONTACT MCNEILUS AT 507-374-6321.

SERVICE BRAKES, AIR 12V046000 2012-02-08 269 affected
Defect

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…

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…

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.

Defect investigations

Investigation PE13011 Opened 2013-04-26 · closed 2013-12-09

Delayed Throttle Response

This investigation was opened based on a fleet complaint alleging delayed throttle response which could potentially lead to extended stopping distances and/or increase the risk of a crash.Autocar responded to ODI's Information Request (IR) letter and provided test data including its FMVSS 124 validation data.ODI…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2012 Autocar Acx as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.