U0418: 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 U0418 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

21 complaints filed with NHTSA mention U0418, 20 of them since 2015, across 15 different models. The component owners most often filed it under: service brakes.

Most-reported models

VehicleComplaintsModel years reported
FORD ESCAPE HYBRID42005, 2007, 2008, 2020

Manufacturer service bulletins that name U0418

37 technical service bulletins and manufacturer communications filed with NHTSA mention U0418, from 8 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • JEEP GRAND CHEROKEE (2023, 2024, 2025), bulletin 11010695: SHIFTER The service shifter message comes on in the cluster and the lever gets stuck in park "P" and it can be present the follwoing DTC: - U11E3 - TCM Lost communication with ESM on D-PT CAN - U0103 - Lost communication…
  • JEEP GRAND WAGONEER (2023), bulletin 10248923: Transfer Case Shift Motor Wire Harness Connector Not Secured Customers may experience a Malfunction Indicator Lamp illumination. Upon further investigation the technician may find that one or more of the following Diagno…
  • RAM 1500 (2023), bulletin 10248920: Transfer Case Shift Motor Wire Harness Connector Not Secured Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following …
  • BRIGHTDROP ZEVO 600 (2023), bulletin 11004340: This informational bulletin provides Information on DTC U0418 - Invalid Data Received from Brake System Control Module 1 Set or Stored in History.
  • FORD BRONCO SPORT (2021, 2022, 2020), bulletin 10211905: Some 2020-2022 Escape/Corsair, 2021-2022 Bronco Sport, 2022 Maverick vehicles may exhibit any of the following driver assistance warning messages displayed in the instrument panel cluster (IPC): Pre-collision Assist Not …
  • LINCOLN CORSAIR (2020, 2021, 2022), bulletin 10211905: Some 2020-2022 Escape/Corsair, 2021-2022 Bronco Sport, 2022 Maverick vehicles may exhibit any of the following driver assistance warning messages displayed in the instrument panel cluster (IPC): Pre-collision Assist Not …

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.