Recall 11V172000 — ENGINE AND ENGINE COOLING Defect in 2008-2009 THOMAS BUILT BUSES SAF-T-LINER C2

DAIMLER TRUCKS IS RECALLING CERTAIN MODEL YEAR 2008 AND 2009 THOMAS BUILT SAF-T-LINER C2 AND SAF-T-LINER HDX SCHOOL BUSES AND FCCC B2 BUS CHASSIS USED IN SAF-T-LINER C2 SCHOOL BUSES MANUFACTURED FROM AUGUST 18, 2006, THROUGH JULY 7, 2010, EQUIPPED WITH EPA 2007 MBE 900 DETROIT DIESEL ENGINES. ENGINE SOFTWARE MAY NOT REACT PROPERLY TO CERTAIN AFTERMARKET TREATMENT DEVICE FAULT CODES. THE SOFTWARE MAY UNNECESSARILY SHUTDOWN A VEHICLE OR MAY FAIL TO SHUTDOWN A VEHICLE WITH AN AFTERMARKET DEVICE OVER-TEMP FAULT.

UNEXPECTED SHUTDOWN OF A VEHICLE MAY INCREASE THE RISK OF A CRASH. OVERHEATING OF THE AFTERTREATMENT DEVICE WITHOUT ENGINE SHUTDOWN MAY RESULT IN A FIRE.

DAIMLER TRUCKS WILL NOTIFY OWNERS AND REPAIRS WILL BE PERFORMED BY DETROIT DIESEL FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 25, 2011. OWNERS MAY CONTACT DAIMLER TRUCKS AT 1-800-547-0712. THIS SAFETY RECALL CAMPAIGN IS AN EXPANSION OF A PREVIOUS RECALL (PLEASE SEE 10V-468).