EV Diagnostics
Source-backed diagnostic reference

P1500 EV diagnostic code

Idle Speed Control Valve Stuck Open

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: Idle Speed Control Valve Stuck Open Source
  • BUICK: Starter Signal Circuit Source
  • CADILLAC: Starter Signal Circuit Source
  • CHEVY: Starter Signal Circuit Source
  • CHRYSLER: Starter Signal Circuit Source
  • FORD: Vehicle Speed Sensor Intermittent Source
  • GEO: Starter Signal Circuit Fault Source
  • GM: Starter Signal Circuit Source
  • GMC: Starter Signal Circuit Source
  • KIA: No Vehicle Speed Signal to TCM Source
  • LEXUS: Starter Signal Circuit Malfunction Source
  • LINCOLN: Vehicle Speed Sensor Intermittent Source
  • MERCURY: Vehicle Speed Sensor Intermittent Source
  • MITSUBISHI: Alternator FR Terminal Circuit Source
  • OLDSMOBILE: Starter Signal Circuit Source
  • OTHER: Vehicle Speed Sensor Intermittent Source
  • SATURN: Starter Signal Circuit Source
  • SUBARU: Radiator Fan Relay 1 Circuit Malfunction Source
  • SUZUKI: Engine Starter Signal Circuit Fault Source
  • TOYOTA: Starter Signal Circuit Source
  • VOLKSWAGEN: Fuel Pump Relay Electrical Circuit Malfunction Source

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