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.
P0454 — vehicles with official records naming this code
P0454 is named in NHTSA-published manufacturer communications or investigations for 14 vehicle families, including:
- Cadillac ATS model years 2013-2015 · 5 records
- Chevrolet Silverado model years 2008-2010 · 4 records
- GMC Sierra model years 2008-2010 · 4 records
- Cadillac Escalade model years 2008-2009 · 2 records
- Chevrolet Avalanche model years 2008-2009 · 2 records
- Chevrolet Cobalt model years 2009-2010 · 2 records
- Chevrolet Colorado model years 2009-2010 · 2 records
- Chevrolet Suburban model years 2008-2009 · 2 records
- Chevrolet Tahoe model years 2008-2009 · 2 records
- GMC Canyon model years 2009-2010 · 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: 1 · Unique codes: 1.
| Code | Meaning | System | Scope | Manufacturer | Severity |
|---|---|---|---|---|---|
| P0454 | EVAP System Pressure Sensor/Switch A Circuit Intermittent | Powertrain | Generic | Not manufacturer-specific | Not classified |
No matching codes
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