2021 Hyundai Casper Problems: 2 Known Issues
2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated October 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Hyundai Casper has 2 documented known issues. None of the listed issues is rated critical; this is not a complete reliability assessment. DIY maintenance guides at au7o.io.
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All 2 Known Issues
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Frequently Asked Questions
What are the most common Hyundai Casper problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Hyundai Casper has 2 documented issues. The most frequently reported are: Rainwater Leak Into Passenger Footwell Through Cowl Air Intake, Severe Idle Vibration When A/C and Rear Defroster Run Together. None are rated critical, but regular maintenance is recommended.
Is the Hyundai Casper reliable?
The 2021 Hyundai Casper has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Hyundai Casper problems?
Repair costs for known Hyundai Casper issues range from $0 to $300, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2021-2022 Hyundai Casper Rainwater Leak Into Passenger Footwell Through Cowl Air Intake?
2021–2022 Caspers let rainwater into the cabin on the passenger side. The external air-intake (cowl) cover at the base of the windshield drains poorly, so in heavy rain water gets past it and enters through the cabin air filter area, soaking the filter and, in worse cases, poolin… Repairs typically run $0-$300. Severity: medium.
What is the 2021-2022 Hyundai Casper Severe Idle Vibration When A/C and Rear Defroster Run Together?
Early gasoline Caspers (2021–2022) shook noticeably at idle — owners described it as "someone rocking the car" — with engine RPM fluctuating between roughly 700 and 900 rpm. The shaking appears mainly when the air conditioner and heated rear glass (and sometimes headlights or wip… Repairs typically run $0-$100. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.