P1652: IAC Monitor Disabled by PSP Switch Failed On

HighPowertrainIdle Control

What does P1652 mean?

P1652 is a diagnostic trouble code indicating "IAC Monitor Disabled by PSP Switch Failed On". This code relates to your vehicle's idle control and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty idle control component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

This is a significant issue that should be diagnosed and repaired soon. Avoid long trips or heavy driving until the problem is resolved. Continued driving may cause additional damage.

Get a diagnosis for YOUR car

Code P1652 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

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