Malfunctioning side marker/directional lights
Defect Summary
Daimler trucks (dtna) is recalling certain model year 2012 thomas built saf-t-liner school buses manufactured from february 24, 2011, through august 3, 2011, equipped with bulk-head module software release 2.1 and reference parameter release p38407-06. inaccurate fault detection values in the bulk-head module software may cause the side marker/directional lights to stop functioning after 5 to 13 minutes of vehicle operation.
Safety Consequence
Failure of the side marker/directional lights to illuminate will result in decreased visibility of the bus and/or its intended direction of travel to other drivers which could increase the risk of a crash.
Corrective Action
Dtna will notify owners, and the bulk-head module software will be updated by dtna authorized service facilities free of charge. the safety recall began on february 2, 2012. owners may contact dtna at 1-800-547-0712.
Similar Recalls
Other recalls from Daimler Trucks North America, Llc or involving Exterior Lighting.
FAQ: Recall 11V578000
Your rights, the repair process, and what each field on this page means.
What is recall 11V578000?
NHTSA recall 11V578000 was issued by Daimler Trucks North America, Llc on December 5, 2011. It addresses: Malfunctioning side marker/directional lights. The recall affects approximately 2,800 vehicles, with the defect involving the Exterior Lighting component.
How do I get this recall repaired?
Contact any authorized Daimler Trucks North America, Llc dealer and reference NHTSA recall ID 11V578000 or the manufacturer campaign number FL-620. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.