NHTSA Complaint #11083613 — 2018 TIFFIN ALLEGRO

TL* THE CONTACT OWNS A 2018 TIFFIN ALLEGRO HITCHED TO A FREIGHTLINER CHASSIS. THE CONTACT STATED THAT WHILE DRIVING DOWN AN INCLINE, THE EXHAUST BRAKE SYSTEM ACTIVATED CAUSING THE BRAKE LIGHTS TO THE FREIGHTLINER CHASSIS TO ACTIVATE. AS A RESULT, THE BRAKE LIGHTS REMAINED ACTIVATE ON THE RV AS WELL AND THE CONTACT WAS CONCERNED THAT THAT THEY WOULD OVERHEAT DURING THE SIXTEEN MILE DOWNHILL DRIVE. THE CONTACT MENTIONED THAT ONLY THE TOWED VEHICLES BRAKE LIGHTS SHOULD ILLUMINATE AND THAT THE BRAKES SHOULD ONLY ACTIVATE WHEN THE BRAKE PEDAL WAS DEPRESSED. THE VEHICLE WAS TAKEN TO FREIGHTLINER DEALER: M & M COACH AT 5787 MCCULLY ST, CHINO, CA 91710 WHERE THEY ATTEMPTED TO TURN OFF THE BRAKES LIGHTS BUT FAILED. THE FREIGHTLINER MANUFACTURER WAS NOTIFIED OF THE FAILURE WHERE THEY INFORMED THE CONTACT THAT THE MULTIPLEX SYSTEM WAS PROGRAMMED WHERE THE BRAKE LIGHTS REMAIN ILLUMINATED WHEN THE EXHAUST BRAKE SYSTEM WAS ACTIVATED. THE APPROXIMATE FAILURE MILEAGE WAS 6,400. NO FURTHER INFORMATION WAS AVAILABLE FOR THE FREIGHTLINER CHASSIS.