P2305: owner reports and bulletins

Powertrain (generic, all makes). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P2305 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

2 complaints filed with NHTSA mention P2305, 2 of them since 2015, across 2 different models. The component owners most often filed it under: electrical system.

Manufacturer service bulletins that name P2305

5 technical service bulletins and manufacturer communications filed with NHTSA mention P2305, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • CHRYSLER TOWN AND COUNTRY (2015, 2016), bulletin 10140126: PCM Replacement, MIL Illumination / DTCs P0300, P030X or P23XX This bulletin involves replacing the Powertrain Control Module (PCM) and re-flashing with the latest available software. The customer may describe an engine …
  • DODGE CARAVAN (2015, 2016), bulletin 10140126: PCM Replacement, MIL Illumination / DTCs P0300, P030X or P23XX This bulletin involves replacing the Powertrain Control Module (PCM) and re-flashing with the latest available software. The customer may describe an engine …

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.