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.
P2120 — vehicles with official records naming this code
P2120 is named in NHTSA-published manufacturer communications or investigations for 18 vehicle families, including:
- Cadillac Escalade model years 2007-2014 · 8 records
- Chevrolet Suburban model years 2007-2014 · 8 records
- Chevrolet Tahoe model years 2007-2014 · 8 records
- GMC Yukon model years 2007-2014 · 8 records
- Chevrolet Avalanche model years 2007-2013 · 7 records
- Chevrolet Silverado model years 2007-2013 · 7 records
- GMC Sierra model years 2007-2013 · 7 records
- Buick LaCrosse model years 2007-2009 · 4 records
- Buick Allure model years 2007-2009 · 4 records
- Cadillac CTS model years 2009-2012 · 4 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 |
|---|---|---|---|---|---|
| P2120 | Throttle/Pedal Position Sensor/Switch D Circuit | Powertrain | Generic | Not manufacturer-specific | Not classified |
No matching codes
Try a code family, a broader system term, or clear the filters.