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TuningBot DTC Database · v4.37.14

P1493 Subaru - Exhaust gas recirculation (EGR) solenoid valve - signal 1 - voltage high

Manufacturer-specific interpretation for Subaru. All interpretations of P1493

P · PowertrainEmissionsOBD2

What P1493 means

P1493
Exhaust gas recirculation (EGR) solenoid valve - signal 1 - voltage high Subaru · emissions Data confidence 62%

The control module detected that the Exhaust gas recirculation (EGR) solenoid valve - signal 1 voltage stayed above the expected range. This is the manufacturer-specific definition used by Subaru.

Possible causes

  • Wiring
  • EGR solenoid valve
  • ECM

Related and nearby codes

How to read P1493

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

493

Specific fault index within the subsystem.

Frequently asked questions about P1493

What does P1493 mean?

Exhaust gas recirculation (EGR) solenoid valve - signal 1 - voltage high. The control module detected that the Exhaust gas recirculation (EGR) solenoid valve - signal 1 voltage stayed above the expected range. This is the manufacturer-specific definition used by Subaru.

Is P1493 generic or manufacturer-specific?

P1493 is a manufacturer-specific code. In this database it is documented for: Subaru. The same number can mean something different on other brands.

Can TuningBot remove P1493 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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