2015 Forest River Sierra Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2015 Forest River Sierra, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical1100.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2015 FOREST RIVER SIERRA FIFTH WHEEL. WHILE THE CONTACT WAS SLEEPING IN THE CAMPER, SMOKE WAS DETECTED IN THE VEHICLE WITHOUT WARNING. THE CONTACT NOTICED SMOKE NEAR THE WIRING, COMING FROM THE SIDE OF THE BATTERY TO THE POWER CONVERTER. IN ADDITION, THE SMOKE ALARM FAILED TO ALERT THE OCCUPANTS. THE CONTACT WAS ABLE TO DISCONNECT THE POWER FROM THE CONVERTER. THE CABINET WAS AFFECTED BY THE INTERNAL FIRE AND THE CONTENTS INSIDE WERE DAMAGED. IN ADDITION, THE HYDRAULIC LINES FOR THE SLIDE OUT JACK AND THE LEVELING SYSTEM WERE DAMAGED FROM THE FIRE. THE DRIVER AND PASSENGER WERE NOT INJURED. THE DEALER (FLAGG RV, 66 W BOYLSTON ST, WEST BOYLSTON, MA 01583, (800) 678-9278) AND THE INSURANCE COMPANY INSPECTED THE VEHICLE; HOWEVER, THE CONTACT WAS UNAWARE OF THE CAUSE OF THE FAILURE. THE MANUFACTURER INDICATED THAT THE VEHICLE WAS OUT OF WARRANTY, BUT OFFERED TO COVER THE DEDUCTIBLE. THE MANUFACTURER FURTHER ADVISED THE CONTACT TO HAVE THE VEHICLE DIAGNOSED AND REPAIRED BY A DEALER. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .