P1593 OBD Code Definition:
P1593 DISA Control Circuit Electrical
P1593 OBD Code Description:

Possible Symptoms

  • Unknown


This is one of those fault codes where the ECU knows something is amiss, but cannot pinpoint the cause.

Possible Causes

  • MAF sensor out of tolerance.
  • Leak in intake system.
  • Throttle position sensors out of tolerance.

Possible Solutions

  • Check MAF/replace MAF Sensor .
  • Check intake systems for leaks and repair.
  • Check Throttle position sensors.


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