Source-backed diagnostic reference

P1553 EV diagnostic code

Idle Air Control Valve Opening Coil High Voltage

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

KIA: Idle Air Control Valve Opening Coil High Voltage Source
VOLKSWAGEN: Barometric Manifold Pressure Signal Ratio Out Of Range Source

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