C1001: owner reports and bulletins

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

Got C1001 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

8 complaints filed with NHTSA mention C1001, 8 of them since 2015, across 6 different models. The component owners most often filed it under: electrical system.

Manufacturer service bulletins that name C1001

43 technical service bulletins and manufacturer communications filed with NHTSA mention C1001, from 5 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • MAZDA MAZDA6 (2014, 2015, 2016, 2017), bulletin 10225761: Some vehicles may have one of the following DTCs stored in memory along with a system status notice on the Multi-information display OR display a system status notice with no DTC: * C1001:92 - Forward sensing camera (FSC…
  • FORD F-150 (2021, 2022, 2023), bulletin 10236330: Some 2021-2023 F-150 vehicles may exhibit various driver assistance system warning messages or inoperative features and/or diagnostic trouble code (DTC) U3000:49 stored in the image processing module A (IPMA) that will n…
  • FORD MUSTANG MACH E (2021, 2022, 2023), bulletin 10236035: Some 2021-2023 Mustang Mach-E vehicles may exhibit various driver assistance system warning messages or inoperative features and/or Diagnostic Trouble Code (DTC) U3000:49 stored in the Image Processing Module A (IPMA) th…
  • FORD TRANSIT (2022, 2023), bulletin 10238451: Some 2022-2023 Transit vehicles, excluding cutaway and chassis cab body vehicles, equipped with a rear-view camera level 2 system only and 12 inch center display screen, may exhibit a lack of active or fixed guidelines a…
  • FORD ESCAPE (2023), bulletin 10250308: Some 2023 Escape vehicles may exhibit a Front Camera Fault and/or Pre-Collision Assist Fault message displayed in the instrumental panel cluster (IPC) with diagnostic trouble codes (DTCs) C1001:78 and U2107:68 stored in …
  • FORD EDGE (2021, 2022), bulletin 10207893: Some 2021-2022 Edge vehicles may exhibit various image issues such as infrared, distorted, glitching, flickering or fuzzy image in the rear view camera with DTC C1001 stored in the Image Processing Module B or Sync modul…

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.