U3017: 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 U3017 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

1 complaints filed with NHTSA mention U3017, 1 of them since 2015, across 1 different models. The component owners most often filed it under: electrical system.

Manufacturer service bulletins that name U3017

72 technical service bulletins and manufacturer communications filed with NHTSA mention U3017, from 4 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • MACK MACK, bulletin 10209682: OBD2015 And Newer Vehicles (Truck MY 2016 And Newer) With U3017 Diagnostic Trouble Code ( DTC )
  • VOLVO VOLVO, bulletin 10209692: OBD2015 And Newer Vehicles (Truck MY 2016 And Newer) With U3017 Diagnostic Trouble Code ( DTC )
  • RAM 1500 (2024), bulletin 10251882: Battery Pack Control Module (BPCM) Software Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic…
  • RAM 3500 (2020), bulletin 10251873: Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble …
  • RAM 2500 (2019), bulletin 10180257: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module (ECM) / Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunc…
  • MACK ANTHEM (AN) (2016, 2017), bulletin 10204032: Diagnostic Trouble Code (DTC) U3017 - OBD2015/16 Model Year ( MY ) 2016/2017 Vehicles

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.