EV Diagnostics
Source-backed diagnostic reference

P1111 EV diagnostic code

Engine Coolant Temperature Radiator Outlet Sensor Low Input

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

  • BMW: Engine Coolant Temperature Radiator Outlet Sensor Low Input Source
  • BUICK: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Source
  • CADILLAC: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Source
  • CHEVY: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Source
  • CHRYSLER: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Source
  • FORD: System Pass Source
  • GM: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Source
  • GMC: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Source
  • JAGUAR: System Pass Source
  • LINCOLN: System Pass Source
  • MERCURY: System Pass Source
  • OLDSMOBILE: Intake Air Temperature IAT Sensor Circuit Intermittent High Voltage Source
  • OTHER: Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage Source
  • SATURN: Intake Air Temperature IAT Sensor Circuit Intermittent High Voltage Source
  • SUBARU: Atmospheric Pressure Sensor High Input Source
  • VOLKSWAGEN: Oxygen Sensor Control Bank 1 System Too Lean 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.