U0293: owner reports and bulletins

Network / communication. We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got U0293 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

16 complaints filed with NHTSA mention U0293, 15 of them since 2015, across 9 different models. The component owners most often filed it under: electrical system.

Most-reported models

VehicleComplaintsModel years reported
TOYOTA PRIUS32004, 2012, 2014
JEEP WRANGLER32021, 2022, 2024
HYUNDAI SONATA32012, 2017

Manufacturer service bulletins that name U0293

24 technical service bulletins and manufacturer communications filed with NHTSA mention U0293, from 6 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD F-150 (2024), bulletin 10250297: Some 2023 F-150 equipped with a 3.5L PowerBoost engine built on or after 3-Nov-2023 may exhibit an intermittent no start and Stop Safely Now message displayed in the instrument panel cluster (IPC) and/or diagnostic troub…
  • FORD F-150 HYBRID (2023), bulletin 10249755: This article supersedes TSB 23-2317 to update the Parts List Descriptions. Some 2023 F-150 fully hybrid electric vehicles (FHEVs) built on or before 2-Nov-2023 may exhibit an intermittent no start and Stop Safely Now mes…
  • FORD F-150 LIGHTNING BEV (2022, 2023), bulletin 11000291: Some 2022-2023 F-150 Lightning vehicles may exhibit diagnostic trouble codes (DTCs) U019B:00 stored in the secondary on-board diagnostic control module C (SOBDMC) and U0293:00 stored in the secondary on-board diagnostic …
  • FORD MUSTANG MACH E (2021, 2022), bulletin 10210475: Some 2021-2022 Mustang Mach-E vehicles built on or before 15-Mar-2022 may exhibit a Parking Brake Fault Service Now message in the instrument panel cluster (IPC) and DTCs C2007, C2008, C1034, U0293 and/or U0100 in the an…
  • JEEP WRANGLER (2021), bulletin 10214604: Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further inv…
  • DODGE CHALLENGER (2021), bulletin 10222994: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further inves…

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.