RecallRepo

2012 Mci D4000 Recalls

Recalls on record Updated July 2026

The 2012 Mci D4000 has 7 NHTSA recall campaigns affecting an estimated 4,329 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

ENGINE AND ENGINE COOLING 18V309000 2018-05-13 1,123 affected
Defect

Motor Coach Industries (MCI) is recalling certain 2011-2016 D4500, D4505, D4000, D4005, and D4000 ISTV motor coaches equipped with ISX engines. Due to vibrations, the exhaust bellow pipes develop a hole.

Consequence

If the pipe develops a hole, during a regeneration cycle, hot exhaust gases may leak out, increasing the risk of a fire.

Remedy

MCI will notify owners, and dealers will replace the bellows pipe assembly with an improved part, free of charge. The recall began July 10, 2018. Owners may contact MCI customer service at 1-800-241-2947.

ENGINE AND ENGINE COOLING 17V337000 2017-05-24 143 affected
Defect

Motor Coach Industries (MCI) is recalling certain 2011-2012 MCI D4000, D4005, D4500 and D4505 coaches equipped with Cummins ISX 12 liter engines. The vehicles may have an incorrectly installed exhaust bellow pipe, resulting in a bend in the pipe which can cause its premature failure.

Consequence

If the pipe fails and a diesel regeneration cycle occurs, the hot exhaust gases will increase the risk of a fire.

Remedy

MCI will notify owners and dealers will inspect and replace any deformed or failed bellow pipes if necessary, free of charge. The recall began on June 15, 2017. Owners may contact Motor Industries at 1-800-241-2947. MCI's number for this recall is SB 397B.

SEATS 16V020000 2016-01-20 607 affected
Defect

Motor Coach Industries (MCI) is recalling certain model year 2011-2013 and 2015 J4500 coaches manufactured November 18, 2011, to July 10, 2015, 2011-2012 and 2014-2015 D4000 coaches manufactured manufactured September 24, 2010, to September 5, 2015, 2011-2013 and 2015-2016 D4005 coaches manufactured January 17, 2011,…

Consequence

If the seatbelt anchorage assembly separates from the J-Bracket, the bus driver may not be properly restrained in the event of a crash increasing their risk of injury.

Remedy

MCI will notify owners and dealers will inspect the seats and determined if welds are missing. Any J-Bracket that is missing welds will be removed and replaced, free of charge. The recall began on February 15, 2016. Owners may contact MCI at 1-800-241-2947. MCI's number for this recall is SB 431.

ENGINE AND ENGINE COOLING 15V276000 2015-05-12 243 affected
Defect

Motor Coach Industries (MCI) is recalling certain model year 2011-2012 D4000 motorcoaches manufactured November 12, 2011, to July 11, 2012, and 2014-2015 D4500 motorcoaches manufactured July 4, 2014, to April 30, 2015. Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to…

Consequence

If the engine oil comes into contact with a hot surface, it can increase the risk of a vehicle fire.

Remedy

MCI will notify owners, and Cummins service centers will administer the repairs which include securing the ends of the 90-degree elbow and reprogramming the electronic control module (ECM) with software that can adjust the engine output under misfire conditions to limit crankcase pressures. These repairs will be…

ENGINE AND ENGINE COOLING 14V085000 2014-02-28 96 affected
Defect

Motor Coach Industries, Inc. (MCI) is recalling certain model year 2011-2012 D4000 motorcoaches manufactured March 2011 through July 2012 and equipped with certain Cummins Westport model ISL G. Condensation in the intake manifold may freeze during cold weather conditions and interfere with the proper operation of…

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

MCI will notify owners, and authorized Cummins service facilities will upload a new ECM calibration, free of charge. The recallbegan on April 16, 2014. Customers may contact MCI at 1-847-285-2090 or Cummins Inc. at 1-800-343-7357. MCI's number associated with this campaign is 405.

ENGINE AND ENGINE COOLING 13V142000 2013-04-16 155 affected
Defect

Motor Coach Industries (MCI) is recalling certain model year 2012-2013 D4000, D4000ISTV, D4005, D4500, and D4505 motorcoaches manufactured from May 2012 through December 2012 and equipped with a Cummins ISX EPA 2010 engine. In the affected buses, the bellows pipe in the exhaust system may have been incorrectly…

Consequence

During a regeneration process to clean exhaust emissions, if the bellows pipe has failed, the hot exhaust gases may not be contained, resulting in a fire.

Remedy

MCI will notify owners and dealers will inspect and replace the bellows pipes, as necessary, free of charge. The recall began on April 29, 2013. Customers may contact MCI at 1-847-285-2000.

ELECTRONIC STABILITY CONTROL (ESC) 11V524000 2011-10-26 1,962 affected
Defect

MOTOR COACH INDUSTRIES (MCI) IS RECALLING CERTAIN MODEL YEAR 2003, AND 2007-2012 E AND J MODELS ALONG WITH MODEL YEAR 2007-2012 D4000, D4005, D4500, D4505, D4000ISTV MOTOR COACHES EQUIPPED WITH MERITOR WABCO ELECTRONIC STABILITY CONTROL (ESC) MODULES, MANUFACTURED FROM OCTOBER 2002, THROUGH OCTOBER 2011. UNDER…

Consequence

IF THE DRIVER IS SLOW TO REACT DURING THIS ESC INTERVENTION, THE VEHICLE MAY DEVIATE FROM THE INTENDED LINE OF TRAVEL, INCREASING THE RISK OF A CRASH.

Remedy

MCI WILL NOTIFY OWNERS AND REPLACE THE CONTROL MODULE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JANUARY 4, 2012. OWNERS MAY CONTACT MCI CUSTOMER SERVICE AT 1-800-241-2947.

Defect investigations

Investigation EA12007 Opened 2012-09-13 · closed 2015-12-03

MCI Drive Shaft Safety Loop Failures

In the fall of 2011, network contacts made ODI aware of four (4) incidents of drive shaft failure on the subject buses involving a loss of vehicle control.Two of the incidents were relatively low speed non-crash events; and two resulted in motor coach rollovers.All four events showed signs of a common failure…

Investigation EA12007 Opened 2012-09-13 · closed 2015-12-03

MCI Drive Shaft Safety Loop Failures

In the fall of 2011, network contacts made ODI aware of four (4) incidents of drive shaft failure on the subject buses involving a loss of vehicle control.Two of the incidents were relatively low speed non-crash events; and two resulted in motor coach rollovers.All four events showed signs of a common failure…

Investigation EA12007 Opened 2012-09-13 · closed 2015-12-03

MCI Drive Shaft Safety Loop Failures

In the fall of 2011, network contacts made ODI aware of four (4) incidents of drive shaft failure on the subject buses involving a loss of vehicle control.Two of the incidents were relatively low speed non-crash events; and two resulted in motor coach rollovers.All four events showed signs of a common failure…

Investigation PE12007 Opened 2012-03-21 · closed 2012-09-20

MCI Driveshaft Safety Loop Failures

ODI has identified certain MCI coaches with powertrain configurations that may allow a driveshaft separated at the rearward universal joint to escape the guardian structure of the steerable tag axle and damage steering and braking components.The damaged components may increase the risk of a loss of vehicle control.…

Investigation PE12007 Opened 2012-03-21 · closed 2012-09-20

MCI Driveshaft Safety Loop Failures

ODI has identified certain MCI coaches with powertrain configurations that may allow a driveshaft separated at the rearward universal joint to escape the guardian structure of the steerable tag axle and damage steering and braking components.The damaged components may increase the risk of a loss of vehicle control.…

Investigation PE12007 Opened 2012-03-21 · closed 2012-09-20

MCI Driveshaft Safety Loop Failures

ODI has identified certain MCI coaches with powertrain configurations that may allow a driveshaft separated at the rearward universal joint to escape the guardian structure of the steerable tag axle and damage steering and braking components.The damaged components may increase the risk of a loss of vehicle control.…

Investigation RQ17007 Opened 2017-09-18 · closed 2018-07-31

Exhaust Bellows Pipe Fracture Recall

By letter dated April 15, 2013, Motor Coach Industries (MCI) notified the Office of Defects Investigation (ODI) of a safety defect that may exist in certain model year (MY) 2012 and 2013 MCI D-model coaches built from December 22, 2011 to May 19, 2012 equipped with the Cummins 2010 EPA ISX 12 Liter engine.These…

Investigation RQ17007 Opened 2017-09-18 · closed 2018-07-31

Exhaust Bellows Pipe Fracture Recall

By letter dated April 15, 2013, Motor Coach Industries (MCI) notified the Office of Defects Investigation (ODI) of a safety defect that may exist in certain model year (MY) 2012 and 2013 MCI D-model coaches built from December 22, 2011 to May 19, 2012 equipped with the Cummins 2010 EPA ISX 12 Liter engine.These…

Investigation RQ17007 Opened 2017-09-18 · closed 2018-07-31

Exhaust Bellows Pipe Fracture Recall

By letter dated April 15, 2013, Motor Coach Industries (MCI) notified the Office of Defects Investigation (ODI) of a safety defect that may exist in certain model year (MY) 2012 and 2013 MCI D-model coaches built from December 22, 2011 to May 19, 2012 equipped with the Cummins 2010 EPA ISX 12 Liter engine.These…

Investigation RQ17007 Opened 2017-09-18 · closed 2018-07-31

Exhaust Bellows Pipe Fracture Recall

By letter dated April 15, 2013, Motor Coach Industries (MCI) notified the Office of Defects Investigation (ODI) of a safety defect that may exist in certain model year (MY) 2012 and 2013 MCI D-model coaches built from December 22, 2011 to May 19, 2012 equipped with the Cummins 2010 EPA ISX 12 Liter engine.These…

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 Mci D4000 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.