Multiplex G9 (Multiplex) – Control Unit Malfunction (2024)
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
MULTIPLEX G9
Brand
MULTIPLEX
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Firefly Integrations, LLC is recalling certain MULTIPLEX G9 equipment due to equipment:recreational vehicle/trailer issues. A damaged circuit board increases the risk of a fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Firefly Integrations, LLC (Firefly) is recalling certain Multiplex G9 units used for controlling equipment and accessories in motorhomes. These units can fail if excessive voltage is applied, causing the components on the board to become damaged.
Reported concern (NHTSA)
A damaged circuit board increases the risk of a fire.
Recommended Action
Per NHTSA guidance
Firefly has notified the RV manufacturer that purchased the affected multiplex units and dealers for that RV manufacturer will add an additional circuit module to the existing component board, free of charge. Owners may contact Firefly customer service at 1-574-825-4600.
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