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Grand Design Lineage Recall 26V446: Rooftop vent fan circuit board can overheat, risking fire

NHTSA campaign 26V446, reported July 10, 2026, 448 vehicles potentially affected.

What this recall means for you

Certain 2026 and 2027 Grand Design Lineage recreational vehicles have rooftop ventilation fans, made by MaxxAir (N-Series Maxxfan), that may have a printed circuit board that can fail during certain operations and overheat.

An overheated circuit board increases the risk of a fire. Owners should watch for signs of trouble with the rooftop fan and have the vehicle checked as soon as possible. Owner notification letters were mailed July 21, 2026.

The repair is free. Dealers will inspect the printed circuit board and replace it as necessary at no charge. To check whether your vehicle is affected, or to ask about the repair, contact Grand Design customer service at 1-574-825-9679 and reference recall M910063. You can also check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 26V446Grand Design RV, LLC
Component
ELECTRICAL SYSTEM; EQUIPMENT:RECREATIONAL VEHICLE/TRAILER
Problem
Grand Design RV, LLC (Grand Design) is recalling certain 2026-2027 Lineage recreational vehicles equipped with certain MaxxAir N-Series Maxxfan rooftop ventilation fans. The printed circuit board may fail during certain operations and overheat.
Risk
An overheated printed circuit board increases the risk of a fire.
Remedy
Dealers will inspect and replace the printed circuit board as necessary, free of charge. Owner notification letters were mailed July 21, 2026. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is M910063.

Affected vehicles

Grand Design Lineage20262027