P0793: 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 P0793 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

5 complaints filed with NHTSA mention P0793, 5 of them since 2015, across 2 different models. The component owners most often filed it under: power train.

Most-reported models

VehicleComplaintsModel years reported
HONDA HR-V42016, 2018, 2020, 2022

Manufacturer service bulletins that name P0793

1 technical service bulletins and manufacturer communications filed with NHTSA mention P0793, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • INFINITI QX50 (2019), bulletin 10185379: PERMANENT DTC SET IN TCM AND WILL NOT ERASE IF YOU CONFIRM One or more of the following DTCs are stored in the permanent DTC screen (Figure 1): P0715, P0716, P0718, P0730, P0791, P0793, P0794, P1722, P1742, P1745, P17F0,…

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.