P1327: 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 P1327 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

24 complaints filed with NHTSA mention P1327, 24 of them since 2015, across 4 different models. The component owners most often filed it under: engine.

Most-reported models

VehicleComplaintsModel years reported
KIA SOUL102020, 2021, 2022
HYUNDAI KONA82019, 2020
KIA SELTOS42021, 2022

Manufacturer service bulletins that name P1327

5 technical service bulletins and manufacturer communications filed with NHTSA mention P1327, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • KIA SELTOS (2021, 2020), bulletin 10209424: SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR PISTON RING NOISE DTC P1327(SC209Y) - This bulletin provides information related to the Technical Service Bulletin previously published in (SC209A) titled "EC…
  • KIA SOUL (2020, 2021), bulletin 10210219: SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR PISTON RING NOISE DTC P1327 (SC209Y) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated b…
  • HYUNDAI KONA (2019, 2020, 2021), bulletin 10213718: Hyundai is conducting a service campaign to enhance the knock sensor logic with the Cylinder Noise Diagnostic System (CNDS) software update. CNDS is to detect abnormal cylinder wall scuffing or noise of the engine block …
  • HYUNDAI ELANTRA (2019, 2020, 2021), bulletin 10213724: Hyundai is conducting a service campaign 974 to enhance the knock sensor logic with the Cylinder Noise Diagnostic System (CNDS) software update. CNDS is to detect abnormal cylinder wall scuffing or noise of the engine bl…

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.