P0A43: 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 P0A43 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

26 complaints filed with NHTSA mention P0A43, 26 of them since 2015, across 2 different models. The component owners most often filed it under: power train.

Most-reported models

VehicleComplaintsModel years reported
CHRYSLER PACIFICA212020, 2021, 2022, 2023, 2025
CHRYSLER PACIFICA PLUG-IN HYBRID52020, 2022

Manufacturer service bulletins that name P0A43

4 technical service bulletins and manufacturer communications filed with NHTSA mention P0A43, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • CHRYSLER PACIFICA (2017, 2018, 2019, 2020), bulletin 10236905: Internal Transmission Wiring Connector Short Warranty Extension XE1 Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following…
  • CHRYSLER PACIFICA PLUG-IN HYBRID (2017, 2018, 2019, 2020), bulletin 11001830: "Internal Transmission Wiring Connector Short and Motor A Bearing Failure Warranty Extension XE1 **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of…

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.