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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