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Suzuki · Known Issues

2021 Suzuki Jimny Problems: 1 Known Issue

2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Suzuki Jimny has 1 documented issue. None of the listed issues is rated critical; this is not a complete reliability assessment. Across all issues with published estimates, repair costs range from $300 to $1,500. DIY maintenance guides at au7o.io.

In This Article

  • Jimny Body/Panels1
  • FAQ
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In This Article

  • Body/Panels1
  • FAQ

All 1 Known Issue

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On the 2018-2024 Suzuki Jimny 1.5 K15B, the 4th-generation Jimny (2018+) shows surprisingly early rear wheel arch and tailgate corrosion, especially in salt-belt markets. Rear arches start bubbling at 3-5 years; tailgate inner skin shows blistering from inside out. UK owner forums and Honest John writeups document repeated cases under 5 years old.

Common Symptoms

  • rust bubbling
  • paint blistering
  • tailgate skin bubbling

How to Fix

Inspect arches and tailgate inner skin annually after year 2. Underseal proactively at year 3 in salt regions. Suzuki UK has done some goodwill repairs for in-warranty cases — request inspection at dealer. Patch repair £300-£600 per arch; tailgate replacement £800-£1,500.

Typical repair cost:$300 - $1,500

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Frequently Asked Questions

What are the most common Suzuki Jimny problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Suzuki Jimny has 1 documented issue. The documented issue is: Jimny Mk4 Rear Wheel Arch / Tailgate Corrosion. None are rated critical, but regular maintenance is recommended.

Is the Suzuki Jimny reliable?

The 2021 Suzuki Jimny has 1 known issue 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 Suzuki Jimny problems?

Repair costs for known Suzuki Jimny issues range from $300 to $1,500, 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 2018-2024 Suzuki Jimny Jimny Mk4 Rear Wheel Arch / Tailgate Corrosion?

The 4th-generation Jimny (2018+) shows surprisingly early rear wheel arch and tailgate corrosion, especially in salt-belt markets. Rear arches start bubbling at 3-5 years; tailgate inner skin shows blistering from inside out. UK owner forums and Honest John writeups document repe… Repairs typically run $300-$1,500. 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.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.