C0031: 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.

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What owners report to NHTSA

4 complaints filed with NHTSA mention C0031, 4 of them since 2015, across 4 different models. The component owners most often filed it under: electrical system.

Manufacturer service bulletins that name C0031

24 technical service bulletins and manufacturer communications filed with NHTSA mention C0031, from 5 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD EXPLORER (2020, 2021), bulletin 10186400: Some 2020-2021 Explorer/Aviator/Police Interceptor Utility vehicles may exhibit an illuminated anti-lock brake system (ABS) warning lamp with diagnostic trouble codes (DTCs) C0031, C0034, C0037, and/or C003A. This may be…
  • LINCOLN AVIATOR (2020, 2021), bulletin 10186400: Some 2020-2021 Explorer/Aviator/Police Interceptor Utility vehicles may exhibit an illuminated anti-lock brake system (ABS) warning lamp with diagnostic trouble codes (DTCs) C0031, C0034, C0037, and/or C003A. This may be…
  • FORD F-150 (2021), bulletin 10202699: Some 2021 F-150 vehicles built on or before 14-June-2021 may exhibit a rubbing noise at the front of the vehicle while driving and/or diagnostic trouble codes (DTC) C0031 and/or C0034 in the anti-lock brake system (ABS) …
  • LINCOLN CORSAIR (2020), bulletin 10180337: Some 2020 Escape/Corsair vehicle may exhibit an illuminated ABS and/or stability-traction control lamp with diagnostic trouble codes (DTCs) C0031, C0034, and/or C0051. This may be due to the ABS wheel speed sensor harnes…
  • FORD ESCAPE (2020), bulletin 10180337: Some 2020 Escape/Corsair vehicle may exhibit an illuminated ABS and/or stability-traction control lamp with diagnostic trouble codes (DTCs) C0031, C0034, and/or C0051. This may be due to the ABS wheel speed sensor harnes…
  • JEEP COMPASS (2018, 2019, 2020), bulletin 10183067: Replacement of Front and Rear Wheel Speed Sensors Due to Oxidation or Water Intrusion Setting Diagnostic Trouble Codes (DTCs) This bulletin involves replacing all four wheel speed sensors due to oxidation or water intrus…

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.