Source-backed diagnostic reference

P1501 EV diagnostic code

Idle Speed Control Valve Stuck Closed

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 Closed Source
  • BUICK: Vehicle Speed Sensor Circuit Intermittent Source
  • CADILLAC: Vehicle Speed Sensor Circuit Intermittent Source
  • CHEVY: Vehicle Speed Sensor Circuit Intermittent Source
  • CHRYSLER: Vehicle Speed Sensor Circuit Intermittent Source
  • FORD: Programmable Speedometer & Odometer Module Vehicle Speed Sensor Intermittent Circuit Failure Source
  • GM: Vehicle Speed Sensor Circuit Intermittent Source
  • GMC: Vehicle Speed Sensor Circuit Intermittent Source
  • LINCOLN: Programmable Speedometer & Odometer Module Vehicle Speed Sensor Intermittent Circuit Failure Source
  • MERCURY: Programmable Speedometer & Odometer Module Vehicle Speed Sensor Intermittent Circuit Failure Source
  • OLDSMOBILE: Vehicle Speed Sensor Circuit Intermittent Source
  • OTHER: Vehicle Speed Sensor Out Of Self Test Range Source
  • SATURN: Vehicle Speed Sensor Circuit Intermittent Source
  • SUBARU: Idle Control System Malfunction Fail Safe Source
  • VOLKSWAGEN: Fuel Pump Relay Circuit Short To Ground Source

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