OBD-II Code Decoder

P1111 — vehicles with official records naming this code

P1111 is named in NHTSA-published manufacturer communications or investigations for 3 vehicle families, including:

• Chevrolet Malibu model years 1997-2002 · 6 records
• Oldsmobile Cutlass model years 1997, 1999 · 2 records
• Oldsmobile Alero model years 1999 · 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.