OBD-II Code Decoder

P1491 — vehicles with official records naming this code

P1491 is named in NHTSA-published manufacturer communications or investigations for 5 vehicle families, including:

• Honda Odyssey model years 1999-2003 · 10 records
• Nissan Frontier model years 2001-2002 · 3 records
• Nissan Xterra model years 2001-2002 · 3 records
• Acura MDX model years 2001-2002 · 2 records
• Honda Pilot model years 2003 · 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.