Engine and engine cooling: engine: oil/lubrication; electrical system: software (Dynamax)
Vehicle recall 20V-591. NHTSA received Forest River, Inc.’s report on Sep 25, 2020.
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The short answer
NHTSA received Forest River, Inc.’s report on Sep 25, 2020. Copied from NHTSA on Oct 19, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
A damaged engine block may leak oil, which can contact hot engine or exhaust components, increasing the risk of a fire.
Forest River, Inc.
(Forest River) is recalling certain 2020-2021 Dynamax Isata vehicles.
Inadequate warmup protection can cause a lack of oil film on the engine connecting rod bearings while the engine is reaching operating temperature.
This can result in engine damage and connecting rod failure, which could potentially puncture the engine block.
NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.
- NHTSA’s part: Engine and engine cooling: engine: oil/lubrication.
- NHTSA’s part: Electrical system: software.
What should you do?
Forest River will notify owners, and FCA dealers will reprogram the engine calibration software to enhance the engine warm up protection, free of charge. The recall began October 13, 2020. Owners may contact FCA customer service at 1-800-853-1403. Forest River’s number for this recall is 51-1234. FCA’s number for this recall is W57.
NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.
- How to reach the firm: 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.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 79 vehicles potentially involved, across everything this recall names.
Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.
NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.
Who is recalling it?
- Made by Forest River, Inc..
NHTSA, Recalls flat file. Released Oct 19, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 19, 2026 and checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 19, 2026.