Subaru P1505: Idle Control System Circuit High Input

Is your scanner showing Subaru P1505?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Subaru P1505: Idle Control System Circuit High Input

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Advanced
Repair Cost
:
$120-$500
Can I Still Drive?
:
Yes (Short-term only)

What Does The Subaru P1505 Code Mean?

Erroneous idling. Engine stalls. Engine breathing.

What Are The Potential Causes Of The Subaru P1505 Code?

  • Check throttle cable
  • Check output signal from ECM

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Subaru 22650AA182 Idle Air Control Valve

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Subaru Impreza Repair Manual for P1505 – Pages 388-391.

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