2021 Heartland Bighorn Recalls
No NHTSA recalls on record for the 2021 Heartland Bighorn. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 1 complaint with NHTSA, most often about the electrical system. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“-the 30 amp mppt solar controller located in the front storage compartment of a heartland 5th wheel suddenly caught fire filling the rv with acrid smoke and scorching other critical components. The propane tanks are on both sides of the solar controller. The smoke sensors did not alarm and 3…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Heartland Bighorn as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.