Low beam failure from fog light short circuit
Defect Summary
Mack is recalling certain model year 2007-2010 chu and cxu vehicles, manufactured from october 13, 2006, through december 23, 2009 and equipped with daytime running lights and fog lights. a short in the fog light circuit may cause the low beam headlight circuit to cut out.
Safety Consequence
If the low beam headlights go out, the driver may lose visibility, increasing the risk of a crash.
Corrective Action
Mack will notify owners, and install an additional wiring harness on the affected vehicles, free of charge. the safety recall began on november 14, 2012. owners may contact mack trucks at 1-800-866-1177.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Electrical System.
FAQ: Recall 12V434000
Your rights, the repair process, and what each field on this page means.
What is recall 12V434000?
NHTSA recall 12V434000 was issued by Mack Trucks, Inc. on September 6, 2012. It addresses: Low beam failure from fog light short circuit. The recall affects approximately 3,864 vehicles, with the defect involving the Electrical System component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 12V434000 or the manufacturer campaign number SC0365. 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.