MACK 2009 MACK MRU Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2009 MACK MRU
Brand
MACK
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2009
MACK TRUCKS, INC is recalling certain 2009 MACK MRU vehicles due to electrical system issues. If the control box loses ground, it may have localized overheating. This could lead to a vehicle fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Mack Trucks is recalling certain model year 2008-2009 GU, LEU, and MRU trucks, manufactured from December 12, 2007, through May 8, 2008 and equipped with a certain focal mounted retarder control box. The control box may lose its electrical ground.
Reported concern (NHTSA)
If the control box loses ground, it may have localized overheating. This could lead to a vehicle fire.
Recommended Action
Per NHTSA guidance
All affected vehicles were sold to one customer that has already been notified. An official owner notification letter will be mailed to the one customer in early November 2012. Mack will replace the suspect control box on the affected vehicles, free of charge. Owners may contact Mack Trucks at 1-800-866-1177.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026