P1441: owner reports and bulletins

Powertrain (manufacturer-specific). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P1441 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.

What owners report to NHTSA

7 complaints filed with NHTSA mention P1441, 4 of them since 2015, across 6 different models. The component owners most often filed it under: electrical system.

Manufacturer service bulletins that name P1441

7 technical service bulletins and manufacturer communications filed with NHTSA mention P1441, from 4 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • HYUNDAI SANTA FE HYBRID (2022), bulletin 10215600: This bulletin provides information related to the Engine Control Module (ECM) software update for Santa Fe Hybrid (TM HEV) / Santa Fe Plug-In Hybrid (TM PHEV) and Tucson Hybrid (NX4 HEV) / Tucson Plug-In Hybrid (NX4 PHEV…
  • HYUNDAI TUCSON HYBRID (2022), bulletin 10232192: This bulletin provides information related to the Engine Control Module (ECM) / Hybrid Control Unit (HCU) software update for Tucson Hybrid (NX4 HEV) / Plug-in Hybrid (NX4 PHEV) vehicles to improve the following DTC and …
  • TOYOTA 4RUNNER (2005, 2006, 2007, 2008), bulletin 10132097: Some 2005 ? 2009 model year 4Runner, 2006 ? 2007 model year Land Cruiser, 2005 ? 2007 model year Sequoia, and 2005 ? 2006 model year Tundra vehicles equipped with the 2UZ-FE (4.7 L) engine may exhibit a MIL ?ON? conditio…
  • ACURA SLX (1998, 1999), bulletin 10128562: Service bulletin - The MIL comes on and DTC P1441 (EVAP system flow during non-purge) is set. The PCM software does not compensate for signal variation in the fuel tank pressure sensor when fuel sloshes in a nearly full …
  • HONDA PASSPORT (1998, 1999), bulletin 10139609: Service bulletin - The MIL comes on and DTC P1441 (EVAP System Flow During Non-Purge) is set. The PCM software does not compensate for signal variation in the fuel tank pressure sensor when fuel sloshes in a nearly full …

Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.