EV Diagnostics
Source-backed diagnostic reference

P1506 EV diagnostic code

Idle Speed Control Valve Open Solenoid Control Circuit Signal High

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 Open Solenoid Control Circuit Signal High Source
  • FORD: Idle Air Control Over Speed Error Source
  • KIA: Idle Air Control Valve Opening Coil Voltage High Source
  • LINCOLN: Idle Air Control Over Speed Error Source
  • MERCURY: Idle Air Control Over Speed Error Source
  • OTHER: Idle Air Control Overspeed Error Source
  • VOLKSWAGEN: Closed Throttle Position Switch Does Not Open Short To Ground Source

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