Source-backed diagnostic reference

P1519 EV diagnostic code

IAC Valve Circuit Failure

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

  • ACURA: IAC Valve Circuit Failure Source
  • BMW: A Camshaft Position Actuator Bank 1 Source
  • BUICK: Electronic Throttle Module Low Volts Communication Disable Source
  • CADILLAC: Electronic Throttle Module Low Volts Communication Disable Source
  • CHEVY: Electronic Throttle Module Low Volts Communication Disable Source
  • CHRYSLER: Electronic Throttle Module Low Volts Communication Disable Source
  • FORD: Intake Manifold Runner Control Stuck Open Source
  • GM: Electronic Throttle Module Low Volts Communication Disable Source
  • GMC: Electronic Throttle Module Low Volts Communication Disable Source
  • HONDA: IAC Valve Circuit Failure Source
  • INFINITI: IAC Valve Circuit Failure Source
  • LINCOLN: Intake Manifold Runner Control Stuck Open Source
  • MERCURY: Intake Manifold Runner Control Stuck Open Source
  • OLDSMOBILE: Electronic Throttle Module Low Volts Communication Disable Source
  • OTHER: Intake Manifold Runner Control (Stuck Closed) Source
  • SATURN: Electronic Throttle Module Low Volts Communication Disable Source
  • VOLKSWAGEN: Intake Camshaft Control Bank 1 Malfunction Source

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