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2021 Forest River Sierra

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports1 fire reports0 injury reports

Electrical System complaints

1 reports
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Mileage unknown · Aug 2, 2021
Electrical SystemService Brakes

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 in…

Read full complaint

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 awaiting a response.

NHTSA ODI #11427488

Official recalls

1

21V378000 · Equipment:recreational Vehicle/trailer; Structure:frame And Members

May 24, 2021

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 & remedy

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.

Additional source detail variants (2)

Equipment:recreational Vehicle/trailer

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.

Structure:frame And Members

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.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.