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.
P2004 — vehicles with official records naming this code
P2004 is named in NHTSA-published manufacturer communications or investigations for 17 vehicle families, including:
- Nissan Altima model years 2013-2017, 2019-2020 · 7 records
- Mazda Mazda3 model years 2004-2009 · 6 records
- Subaru Forester model years 2014-2018 · 5 records
- Subaru WRX model years 2015-2019 · 5 records
- Mazda Mazda5 model years 2006-2009 · 4 records
- Nissan Rogue model years 2014-2017 · 4 records
- Audi A4 model years 2005-2007 · 3 records
- Audi A3 model years 2006-2007 · 2 records
- Nissan Kicks model years 2018-2019 · 2 records
- Volkswagen GTI model years 2023-2024 · 2 records
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 |
|---|---|---|---|---|---|
| P2004 | A failed IMRC actuator, A problem with the intake manifold or linkage, Wiring issues | Powertrain | Manufacturer-specific | Audi | Not classified |
| P2004 | Intake Manifold Runner Control Stuck Open Bank 1 | Powertrain | Generic | Not manufacturer-specific | Not classified |
No matching codes
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