U0184: 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 U0184 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 U0184, 5 of them since 2015, across 4 different models. The component owners most often filed it under: air bags.

Manufacturer service bulletins that name U0184

77 technical service bulletins and manufacturer communications filed with NHTSA mention U0184, from 12 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FCA FCA, bulletin 10221421: An incorrect document S2208000124 - U0184 Loss Communication With Radio Setting In Multiple Modules was uploaded for this communication during publishing and was corrected with S1708000246 Rev. B
  • FORD F-250 SD (2023), bulletin 10235318: Some 2023 F-Super Duty vehicles may set DTCs B109F:55, B1330:9A, U0252:87, U0198:87, U0184:87, U0155:87, U0256:87, and/or U0100:87 in the BCM when a diagnostic self-test is performed. This may be due to an incorrect sequ…
  • FORD EXPLORER (2021, 2020, 2022), bulletin 10239099: Some 2020-2021 Escape built on/before 23-Nov-2021, 2021 F-150 built on/before 08-Oct-2021, 2021 Mustang Mach-E built on/before 29-Mar-2021, 2021 Expedition built on/before 05-Aug-2021, 2021 Explorer built on/before 27-Se…
  • CHEVROLET TRAILBLAZER (2021), bulletin 10178974: This technical bulletin provides repair information to correct a customer concern of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, Malfunction Indicator Lamp (MIL) Illuminated - DTC P159F-00…
  • FORD F-450 SD (2020, 2021), bulletin 10189586: Some 2020-2021 F-Super Duty vehicles may exhibit an inoperative radio, no communication with the audio front control module (ACM), and/or diagnostic code (DTC) U0184 stored in the SYNC module (APIM) or instrument panel c…
  • CHRYSLER PACIFICA (2021), bulletin 10221418: U0184 Loss Communication With Radio Setting In Multiple Modules

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.