P0A0A: 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.

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What owners report to NHTSA

7 complaints filed with NHTSA mention P0A0A, 7 of them since 2015, across 3 different models. The component owners most often filed it under: electrical system.

Most-reported models

VehicleComplaintsModel years reported
CHRYSLER PACIFICA42017, 2021, 2025

Manufacturer service bulletins that name P0A0A

7 technical service bulletins and manufacturer communications filed with NHTSA mention P0A0A, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • JEEP WRANGLER (2021), bulletin 10198377: Check Engine Light On And Service Hybrid System Displayed. P0A0A-00 High Voltage System Interlock Circuit ?A? Is Active
  • FORD C-MAX (2013, 2014, 2015, 2016), bulletin 10090514: SOME 2013-2016 C-MAX PHEV VEHICLES MAY EXHIBIT AN INTERMITTENT STALL/NO CRANK WITH A STOP SAFELY NOW WARNING MESSAGE IN THE INSTRUMENT PANEL CLUSTER (IPC) WITH BATTERY ENERGY CONTROL MODULE (BECM) DTCS U3012,P0B37, AND…

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.