EV Diagnostics
Source-backed diagnostic reference

P1720 EV diagnostic code

Vehicle Speed Meter Circuit Malfunction

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • FORD: Vehicle Speed Meter Circuit Malfunction Source
  • JAGUAR: Vehicle Speed Meter Circuit Source
  • LINCOLN: Vehicle Speed Meter Circuit Malfunction Source
  • MAZDA: Vehicle Speed Sensor 2 Signal Error Source
  • MERCURY: Vehicle Speed Meter Circuit Malfunction Source
  • OTHER: Vehicle Speed (Meter) Circuit Malfunction Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.