EV Diagnostics
Source-backed diagnostic reference

P1173 EV diagnostic code

Rotor Calibration Fault

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: Rotor Calibration Fault Source
  • LINCOLN: Rotor Calibration Fault Source
  • MAZDA: HO2S Bank 2 Sensor 1 Circuit Fixed Bank 2 Sensor 1 Source
  • MERCURY: Rotor Calibration Fault Source
  • OTHER: Rotor Calibration Fault Source
  • VOLKSWAGEN: Throttle Actuation Potentiometer Signal 2 Signal Too High 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.