OBD-II Code Decoder

P0021 — vehicles with official records naming this code

P0021 is named in NHTSA-published manufacturer communications or investigations for 16 vehicle families, including:

• Subaru Forester model years 2011-2015 · 5 records
• Cadillac SRX model years 2012-2015 · 4 records
• Subaru Impreza model years 2012-2015 · 4 records
• Buick LaCrosse model years 2012-2014 · 3 records
• Chevrolet Equinox model years 2012-2014 · 3 records
• GMC Terrain model years 2012-2014 · 3 records
• Chevrolet Impala model years 2014-2015 · 2 records
• Buick Enclave model years 2018 · 1 record
• Chevrolet Traverse model years 2018 · 1 record
• Ford Expedition model years 2016 · 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.