Penntex alternators
Defect Summary
Motor coach industries (mci) is recalling certain model year 2010-2011 d4505 motor coaches manufactured from may 1, 2010, through september 30, 2011. these vehicles were equipped with penntex alternators that, as installed, may collect moisture at the power stud. this moisture may result in corrosion buildup at and around the power stud base.
Safety Consequence
This corrosion may create a short circuit between the power stud and the alternator body, which in turn could result in burning of the power stud or the power cable end. this could increase the risk of a fire. additionally, the vehicle battery could discharge which could cause the vehicle to stall.
Corrective Action
Mci will inspect and modify the alternator installation free of charge. The safety recall began on november 30, 2011. owners may contact mci customer service at 1-800-241-2947.
Similar Recalls
Other recalls from Motor Coach Industries, Inc or involving Electrical System.
FAQ: Recall 11V548000
Your rights, the repair process, and what each field on this page means.
What is recall 11V548000?
NHTSA recall 11V548000 was issued by Motor Coach Industries, Inc on November 10, 2011. It addresses: Penntex alternators. The recall affects approximately 112 vehicles, with the defect involving the Electrical System component.
How do I get this recall repaired?
Contact any authorized Motor Coach Industries, Inc dealer and reference NHTSA recall ID 11V548000 or the manufacturer campaign number 373. 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.