2021 Forest River Sierra recalls & complaints
Source: NHTSA, updated daily. Last checked 2026-10-18. Recalls apply to specific VINs — run your VIN to confirm.
1 safety recall, most serious first
1. Body / structure
What's wrong, in plain English: Body panels, frame, doors, hood, trunk or latches. Forest River, Inc. (Forest River) is recalling certain 2021 Sierra and Sandpiper Fifth Wheel and Travel Trailers. The bolts that hold the floor to the chassis were improperly tightened.
What could happen: Improperly tightened bolts could cause the trailer body to detach from the chassis, increasing the risk of a crash.
The fix: Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347.
What to do
- Check whether your car is affected: enter your 17-digit VIN at nhtsa.gov/recalls. A recall covers specific VINs, not every 2021 SIERRA.
- Book a repair at any authorized Forest River dealer. Quote NHTSA campaign 21V378000 (manufacturer code 03-1347).
- The repair is free. By US law, safety recall repairs cost the owner nothing, no matter the car's age or mileage.
- Manufacturer hotline: 1-574-534-4574.
- Buying this car used? Ask the seller for proof the recall was completed, or run the VIN yourself before paying.
Official wording from NHTSA
Component: STRUCTURE:FRAME AND MEMBERS
Summary: Forest River, Inc. (Forest River) is recalling certain 2021 Sierra and Sandpiper Fifth Wheel and Travel Trailers. The bolts that hold the floor to the chassis were improperly tightened.
Consequence: Improperly tightened bolts could cause the trailer body to detach from the chassis, increasing the risk of a crash.
Remedy: Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347.
Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Useful for owners
- OBD2 code reader — see what the car's computer is reporting
- Compact car fire extinguisher
- 2021 Forest River Sierra owner's manual
Owner complaints filed with NHTSA
Most complained-about parts: Unknown Or Other (1), Firerelated (1), Electrical system (1), Brakes (1).
Complaints are unverified reports from owners. A pattern (many complaints about the same part) matters more than any single one.
Read recent complaints (3)
07/31/2023 · Unknown Or Other
Recently I had the glass over my dining table shatter. My concern is not that it shattered, but the size of the shards.Although the glass shattered only after I shut the door on the trailer. It is my understanding that per ANSI Z26.1 that each shard should weigh no more than 4.25g. And anything larger is a sign that the glass was not tempered properly. I re…
09/28/2021 · Firerelated · fire
The contact owns a 2021 Forest River Sierra Model 379FLOK travel trailer. The contact stated that while the travel trailer oven was in use, the heat vent on the back of the oven melted the backsplash. The travel trailer was not diagnosed nor repaired. The dealer and manufacturer were not made aware of the failure.
08/02/2021 · Electrical system
The contact owns a 2021 Forest River Sierra fifth wheel trailer. The contact stated while driving approximately 55 mph, the trailer brakes failed to engage while the brake pedal was depressed. The contact stated that the "trailer wiring fault" message was displayed. The vehicle was diagnosed and repaired. The manufacturer was informed of failure and was awa…