OBD-II Code Decoder
Search the licensed P, B, C, and U reference library by code, definition, system, or manufacturer. Reference-only results are not a complete diagnosis.
Review-withheld definitions are excluded; lookup records are not published diagnostic pages.
P2181 — vehicles with official records naming this code
P2181 is named in NHTSA-published manufacturer communications or investigations for 12 vehicle families, including:
- Kia Soul model years 2020-2021 · 6 records
- Chevrolet Express model years 2010-2013 · 4 records
- GMC Savana model years 2010-2013 · 4 records
- Hyundai Santa Fe model years 2021-2023 · 3 records
- Hyundai Sonata model years 2020-2022 · 3 records
- Kia Seltos model years 2021 · 3 records
- Hyundai Santa Cruz model years 2022-2023 · 2 records
- Hyundai Tucson model years 2022-2023 · 2 records
- Volkswagen Touareg model years 2013-2014 · 2 records
- Chevrolet Aveo model years 2009 · 1 record
A code named in a manufacturer communication means the document refers to it for those vehicles. It is not a diagnosis of any car, and it does not mean the code is common on that vehicle.
Matching definitions: 2 · Unique codes: 1.
| Code | Meaning | System | Scope | Manufacturer | Severity |
|---|---|---|---|---|---|
| P2181 | Engine coolant heater failure, Engine coolant level is too low, Thermostat failure | Powertrain | Manufacturer-specific | Audi | Not classified |
| P2181 | Cooling System Performance | Powertrain | Generic | Not manufacturer-specific | Not classified |
No matching codes
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